./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX --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 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:04:52,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:04:52,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 18:04:52,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:04:52,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:04:52,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:04:52,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:04:52,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:04:52,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:04:52,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:04:52,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:04:52,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:04:52,526 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:04:52,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:04:52,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:04:52,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:04:52,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:04:52,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:04:52,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:04:52,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:04:52,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:04:52,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:04:52,536 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 18:04:52,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:04:52,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:04:52,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:04:52,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:04:52,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:04:52,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:04:52,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:04:52,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:04:52,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:04:52,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:04:52,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:04:52,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:04:52,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:04:52,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:04:52,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:04:52,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:04:52,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:04:52,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:04:52,554 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_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 [2024-11-08 18:04:52,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:04:53,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:04:53,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:04:53,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:04:53,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:04:53,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c Unable to find full path for "g++" [2024-11-08 18:04:55,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:04:55,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:04:55,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2024-11-08 18:04:55,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/data/1e251f2ce/262533a895894d3490eac9c314425de7/FLAG141ff2caf [2024-11-08 18:04:55,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/data/1e251f2ce/262533a895894d3490eac9c314425de7 [2024-11-08 18:04:55,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:04:55,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:04:55,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:04:55,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:04:55,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:04:55,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:55,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed379ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55, skipping insertion in model container [2024-11-08 18:04:55,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:55,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:04:55,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:04:55,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:04:55,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:04:55,955 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:04:55,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55 WrapperNode [2024-11-08 18:04:55,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:04:55,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:04:55,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:04:55,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:04:55,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:55,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,033 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 840 [2024-11-08 18:04:56,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:04:56,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:04:56,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:04:56,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:04:56,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:04:56,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:04:56,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:04:56,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:04:56,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (1/1) ... [2024-11-08 18:04:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:04:56,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:04:56,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:04:56,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5275132-cdc5-4447-92dc-4ee59a58a425/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:04:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:04:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 18:04:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 18:04:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 18:04:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 18:04:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 18:04:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 18:04:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 18:04:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 18:04:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 18:04:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:04:56,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:04:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 18:04:56,212 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:04:56,383 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:04:56,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:04:57,706 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:04:57,706 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:04:57,771 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:04:57,771 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 18:04:57,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:04:57 BoogieIcfgContainer [2024-11-08 18:04:57,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:04:57,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:04:57,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:04:57,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:04:57,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:04:55" (1/3) ... [2024-11-08 18:04:57,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501b63e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:04:57, skipping insertion in model container [2024-11-08 18:04:57,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:55" (2/3) ... [2024-11-08 18:04:57,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501b63e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:04:57, skipping insertion in model container [2024-11-08 18:04:57,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:04:57" (3/3) ... [2024-11-08 18:04:57,787 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2024-11-08 18:04:57,807 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:04:57,808 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 149 error locations. [2024-11-08 18:04:57,808 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:04:58,153 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-08 18:04:58,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1059 places, 1107 transitions, 2235 flow [2024-11-08 18:04:59,013 INFO L124 PetriNetUnfolderBase]: 58/1104 cut-off events. [2024-11-08 18:04:59,013 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 18:04:59,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 1104 events. 58/1104 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3814 event pairs, 0 based on Foata normal form. 0/897 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-08 18:04:59,068 INFO L82 GeneralOperation]: Start removeDead. Operand has 1059 places, 1107 transitions, 2235 flow [2024-11-08 18:04:59,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1037 places, 1083 transitions, 2184 flow [2024-11-08 18:04:59,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:04:59,138 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7fea1892, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:04:59,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 281 error locations. [2024-11-08 18:04:59,143 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:04:59,143 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-08 18:04:59,144 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:04:59,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:04:59,145 INFO L204 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] [2024-11-08 18:04:59,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:04:59,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:04:59,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1698873002, now seen corresponding path program 1 times [2024-11-08 18:04:59,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:04:59,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015340427] [2024-11-08 18:04:59,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:04:59,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:04:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:04:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:04:59,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:04:59,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015340427] [2024-11-08 18:04:59,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015340427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:04:59,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:04:59,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:04:59,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090748116] [2024-11-08 18:04:59,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:04:59,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:04:59,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:04:59,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:04:59,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:04:59,617 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1107 [2024-11-08 18:04:59,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1037 places, 1083 transitions, 2184 flow. Second operand has 3 states, 3 states have (on average 1066.3333333333333) internal successors, (3199), 3 states have internal predecessors, (3199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:04:59,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:04:59,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1107 [2024-11-08 18:04:59,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:02,373 INFO L124 PetriNetUnfolderBase]: 228/4393 cut-off events. [2024-11-08 18:05:02,374 INFO L125 PetriNetUnfolderBase]: For 57/64 co-relation queries the response was YES. [2024-11-08 18:05:02,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4548 conditions, 4393 events. 228/4393 cut-off events. For 57/64 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 33645 event pairs, 45 based on Foata normal form. 207/3683 useless extension candidates. Maximal degree in co-relation 3736. Up to 110 conditions per place. [2024-11-08 18:05:02,579 INFO L140 encePairwiseOnDemand]: 1087/1107 looper letters, 19 selfloop transitions, 2 changer transitions 2/1065 dead transitions. [2024-11-08 18:05:02,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1038 places, 1065 transitions, 2190 flow [2024-11-08 18:05:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-08 18:05:02,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.973803071364047 [2024-11-08 18:05:02,628 INFO L175 Difference]: Start difference. First operand has 1037 places, 1083 transitions, 2184 flow. Second operand 3 states and 3234 transitions. [2024-11-08 18:05:02,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1038 places, 1065 transitions, 2190 flow [2024-11-08 18:05:02,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1065 transitions, 2178 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-08 18:05:02,670 INFO L231 Difference]: Finished difference. Result has 1032 places, 1063 transitions, 2136 flow [2024-11-08 18:05:02,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2136, PETRI_DIFFERENCE_MINUEND_PLACES=1030, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1063, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2136, PETRI_PLACES=1032, PETRI_TRANSITIONS=1063} [2024-11-08 18:05:02,680 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -5 predicate places. [2024-11-08 18:05:02,680 INFO L471 AbstractCegarLoop]: Abstraction has has 1032 places, 1063 transitions, 2136 flow [2024-11-08 18:05:02,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.3333333333333) internal successors, (3199), 3 states have internal predecessors, (3199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:02,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:02,683 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:02,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:05:02,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:02,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:02,685 INFO L85 PathProgramCache]: Analyzing trace with hash -309964569, now seen corresponding path program 1 times [2024-11-08 18:05:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:02,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315285437] [2024-11-08 18:05:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:02,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:02,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315285437] [2024-11-08 18:05:02,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315285437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:02,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:02,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:02,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827173293] [2024-11-08 18:05:02,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:02,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:02,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:02,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:02,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:02,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1107 [2024-11-08 18:05:02,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand has 3 states, 3 states have (on average 1066.3333333333333) internal successors, (3199), 3 states have internal predecessors, (3199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:02,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:02,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1107 [2024-11-08 18:05:02,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:07,114 INFO L124 PetriNetUnfolderBase]: 614/12177 cut-off events. [2024-11-08 18:05:07,114 INFO L125 PetriNetUnfolderBase]: For 6/24 co-relation queries the response was YES. [2024-11-08 18:05:07,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12411 conditions, 12177 events. 614/12177 cut-off events. For 6/24 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 120503 event pairs, 95 based on Foata normal form. 0/9563 useless extension candidates. Maximal degree in co-relation 12370. Up to 185 conditions per place. [2024-11-08 18:05:07,374 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 19 selfloop transitions, 2 changer transitions 0/1062 dead transitions. [2024-11-08 18:05:07,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1031 places, 1062 transitions, 2176 flow [2024-11-08 18:05:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3217 transitions. [2024-11-08 18:05:07,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686841312857573 [2024-11-08 18:05:07,382 INFO L175 Difference]: Start difference. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand 3 states and 3217 transitions. [2024-11-08 18:05:07,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1031 places, 1062 transitions, 2176 flow [2024-11-08 18:05:07,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1029 places, 1062 transitions, 2172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:07,402 INFO L231 Difference]: Finished difference. Result has 1029 places, 1062 transitions, 2134 flow [2024-11-08 18:05:07,403 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=1027, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2134, PETRI_PLACES=1029, PETRI_TRANSITIONS=1062} [2024-11-08 18:05:07,404 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -8 predicate places. [2024-11-08 18:05:07,404 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1062 transitions, 2134 flow [2024-11-08 18:05:07,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.3333333333333) internal successors, (3199), 3 states have internal predecessors, (3199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:07,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:07,408 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:07,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:05:07,408 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:07,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:07,410 INFO L85 PathProgramCache]: Analyzing trace with hash 496409526, now seen corresponding path program 1 times [2024-11-08 18:05:07,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:07,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327019361] [2024-11-08 18:05:07,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:07,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:07,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:07,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327019361] [2024-11-08 18:05:07,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327019361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:07,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:07,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:07,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184759208] [2024-11-08 18:05:07,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:07,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:07,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:07,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:07,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1107 [2024-11-08 18:05:07,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1062 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 1066.3333333333333) internal successors, (3199), 3 states have internal predecessors, (3199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:07,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:07,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1107 [2024-11-08 18:05:07,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:09,176 INFO L124 PetriNetUnfolderBase]: 242/3575 cut-off events. [2024-11-08 18:05:09,176 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-08 18:05:09,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3774 conditions, 3575 events. 242/3575 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27195 event pairs, 95 based on Foata normal form. 0/2833 useless extension candidates. Maximal degree in co-relation 3725. Up to 185 conditions per place. [2024-11-08 18:05:09,388 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 19 selfloop transitions, 2 changer transitions 0/1061 dead transitions. [2024-11-08 18:05:09,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1061 transitions, 2174 flow [2024-11-08 18:05:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3217 transitions. [2024-11-08 18:05:09,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686841312857573 [2024-11-08 18:05:09,398 INFO L175 Difference]: Start difference. First operand has 1029 places, 1062 transitions, 2134 flow. Second operand 3 states and 3217 transitions. [2024-11-08 18:05:09,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1061 transitions, 2174 flow [2024-11-08 18:05:09,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1061 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:09,424 INFO L231 Difference]: Finished difference. Result has 1028 places, 1061 transitions, 2132 flow [2024-11-08 18:05:09,426 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1028, PETRI_TRANSITIONS=1061} [2024-11-08 18:05:09,427 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -9 predicate places. [2024-11-08 18:05:09,427 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1061 transitions, 2132 flow [2024-11-08 18:05:09,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.3333333333333) internal successors, (3199), 3 states have internal predecessors, (3199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:09,430 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:09,430 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:09,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:05:09,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:09,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:09,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1682211191, now seen corresponding path program 1 times [2024-11-08 18:05:09,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:09,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764504921] [2024-11-08 18:05:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:09,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:09,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764504921] [2024-11-08 18:05:09,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764504921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:09,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:09,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:09,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196238181] [2024-11-08 18:05:09,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:09,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:09,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:09,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:09,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:09,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1107 [2024-11-08 18:05:09,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:09,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:09,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1107 [2024-11-08 18:05:09,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:12,537 INFO L124 PetriNetUnfolderBase]: 247/5500 cut-off events. [2024-11-08 18:05:12,537 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-08 18:05:12,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5576 conditions, 5500 events. 247/5500 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 43651 event pairs, 16 based on Foata normal form. 0/4347 useless extension candidates. Maximal degree in co-relation 5519. Up to 51 conditions per place. [2024-11-08 18:05:12,935 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 18 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-08 18:05:12,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1060 transitions, 2170 flow [2024-11-08 18:05:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-08 18:05:12,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969286359530262 [2024-11-08 18:05:12,951 INFO L175 Difference]: Start difference. First operand has 1028 places, 1061 transitions, 2132 flow. Second operand 3 states and 3219 transitions. [2024-11-08 18:05:12,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1060 transitions, 2170 flow [2024-11-08 18:05:12,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1060 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:12,970 INFO L231 Difference]: Finished difference. Result has 1027 places, 1060 transitions, 2130 flow [2024-11-08 18:05:12,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1027, PETRI_TRANSITIONS=1060} [2024-11-08 18:05:12,973 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -10 predicate places. [2024-11-08 18:05:12,974 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1060 transitions, 2130 flow [2024-11-08 18:05:12,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:12,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:12,976 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:12,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:05:12,977 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:12,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash -230060267, now seen corresponding path program 1 times [2024-11-08 18:05:12,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:12,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071860391] [2024-11-08 18:05:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:12,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:13,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:13,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071860391] [2024-11-08 18:05:13,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071860391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:13,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:13,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:13,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591813570] [2024-11-08 18:05:13,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:13,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:13,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:13,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:13,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:13,100 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1107 [2024-11-08 18:05:13,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:13,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:13,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1107 [2024-11-08 18:05:13,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:13,960 INFO L124 PetriNetUnfolderBase]: 75/1609 cut-off events. [2024-11-08 18:05:13,960 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 18:05:13,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1670 conditions, 1609 events. 75/1609 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8188 event pairs, 12 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1605. Up to 40 conditions per place. [2024-11-08 18:05:14,003 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 15 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-08 18:05:14,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1059 transitions, 2162 flow [2024-11-08 18:05:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:14,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-08 18:05:14,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.971093044263776 [2024-11-08 18:05:14,011 INFO L175 Difference]: Start difference. First operand has 1027 places, 1060 transitions, 2130 flow. Second operand 3 states and 3225 transitions. [2024-11-08 18:05:14,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1059 transitions, 2162 flow [2024-11-08 18:05:14,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1059 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:14,029 INFO L231 Difference]: Finished difference. Result has 1026 places, 1059 transitions, 2128 flow [2024-11-08 18:05:14,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1026, PETRI_TRANSITIONS=1059} [2024-11-08 18:05:14,031 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -11 predicate places. [2024-11-08 18:05:14,032 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1059 transitions, 2128 flow [2024-11-08 18:05:14,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:14,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:14,034 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:14,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:05:14,035 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:14,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:14,036 INFO L85 PathProgramCache]: Analyzing trace with hash -754301395, now seen corresponding path program 1 times [2024-11-08 18:05:14,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:14,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413266402] [2024-11-08 18:05:14,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:14,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413266402] [2024-11-08 18:05:14,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413266402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:14,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:14,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:14,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784975229] [2024-11-08 18:05:14,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:14,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:14,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:14,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:14,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:14,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1107 [2024-11-08 18:05:14,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:14,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:14,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1107 [2024-11-08 18:05:14,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:15,742 INFO L124 PetriNetUnfolderBase]: 169/3833 cut-off events. [2024-11-08 18:05:15,743 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-08 18:05:15,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3887 conditions, 3833 events. 169/3833 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 26005 event pairs, 10 based on Foata normal form. 0/3043 useless extension candidates. Maximal degree in co-relation 3814. Up to 35 conditions per place. [2024-11-08 18:05:15,875 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 14 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-08 18:05:15,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1058 transitions, 2158 flow [2024-11-08 18:05:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3227 transitions. [2024-11-08 18:05:15,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9716952725082806 [2024-11-08 18:05:15,885 INFO L175 Difference]: Start difference. First operand has 1026 places, 1059 transitions, 2128 flow. Second operand 3 states and 3227 transitions. [2024-11-08 18:05:15,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1058 transitions, 2158 flow [2024-11-08 18:05:15,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1058 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:15,908 INFO L231 Difference]: Finished difference. Result has 1025 places, 1058 transitions, 2126 flow [2024-11-08 18:05:15,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1025, PETRI_TRANSITIONS=1058} [2024-11-08 18:05:15,912 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -12 predicate places. [2024-11-08 18:05:15,913 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1058 transitions, 2126 flow [2024-11-08 18:05:15,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:15,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:15,915 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:15,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:05:15,916 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:15,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:15,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2096316081, now seen corresponding path program 1 times [2024-11-08 18:05:15,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:15,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123268088] [2024-11-08 18:05:15,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:15,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:15,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:15,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123268088] [2024-11-08 18:05:15,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123268088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:15,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:15,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:15,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568478139] [2024-11-08 18:05:15,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:15,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:15,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:15,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:15,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:16,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1107 [2024-11-08 18:05:16,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:16,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:16,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1107 [2024-11-08 18:05:16,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:18,860 INFO L124 PetriNetUnfolderBase]: 351/7717 cut-off events. [2024-11-08 18:05:18,860 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-08 18:05:19,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7820 conditions, 7717 events. 351/7717 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 68284 event pairs, 24 based on Foata normal form. 0/6093 useless extension candidates. Maximal degree in co-relation 7739. Up to 70 conditions per place. [2024-11-08 18:05:19,278 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 21 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-08 18:05:19,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1057 transitions, 2170 flow [2024-11-08 18:05:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-08 18:05:19,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967479674796748 [2024-11-08 18:05:19,286 INFO L175 Difference]: Start difference. First operand has 1025 places, 1058 transitions, 2126 flow. Second operand 3 states and 3213 transitions. [2024-11-08 18:05:19,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1057 transitions, 2170 flow [2024-11-08 18:05:19,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1057 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:19,310 INFO L231 Difference]: Finished difference. Result has 1024 places, 1057 transitions, 2124 flow [2024-11-08 18:05:19,311 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1024, PETRI_TRANSITIONS=1057} [2024-11-08 18:05:19,312 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -13 predicate places. [2024-11-08 18:05:19,312 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1057 transitions, 2124 flow [2024-11-08 18:05:19,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:19,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:19,314 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:19,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:05:19,314 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:19,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:19,315 INFO L85 PathProgramCache]: Analyzing trace with hash -848425089, now seen corresponding path program 1 times [2024-11-08 18:05:19,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:19,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411923267] [2024-11-08 18:05:19,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:19,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:19,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:19,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411923267] [2024-11-08 18:05:19,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411923267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:19,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:19,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:19,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124691307] [2024-11-08 18:05:19,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:19,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:19,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:19,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:19,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:19,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1107 [2024-11-08 18:05:19,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:19,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:19,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1107 [2024-11-08 18:05:19,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:21,656 INFO L124 PetriNetUnfolderBase]: 151/3280 cut-off events. [2024-11-08 18:05:21,656 INFO L125 PetriNetUnfolderBase]: For 9/33 co-relation queries the response was YES. [2024-11-08 18:05:21,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3348 conditions, 3280 events. 151/3280 cut-off events. For 9/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21648 event pairs, 16 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 3259. Up to 51 conditions per place. [2024-11-08 18:05:21,913 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 18 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-08 18:05:21,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1056 transitions, 2162 flow [2024-11-08 18:05:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-08 18:05:21,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969286359530262 [2024-11-08 18:05:21,919 INFO L175 Difference]: Start difference. First operand has 1024 places, 1057 transitions, 2124 flow. Second operand 3 states and 3219 transitions. [2024-11-08 18:05:21,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1056 transitions, 2162 flow [2024-11-08 18:05:21,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1056 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:21,945 INFO L231 Difference]: Finished difference. Result has 1023 places, 1056 transitions, 2122 flow [2024-11-08 18:05:21,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1023, PETRI_TRANSITIONS=1056} [2024-11-08 18:05:21,948 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -14 predicate places. [2024-11-08 18:05:21,948 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1056 transitions, 2122 flow [2024-11-08 18:05:21,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:21,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:21,951 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:21,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:05:21,952 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:21,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:21,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1013664154, now seen corresponding path program 1 times [2024-11-08 18:05:21,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:21,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280743860] [2024-11-08 18:05:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:22,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:22,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280743860] [2024-11-08 18:05:22,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280743860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:22,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:22,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:22,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031372441] [2024-11-08 18:05:22,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:22,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:22,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:22,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:22,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:22,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1107 [2024-11-08 18:05:22,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:22,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:22,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1107 [2024-11-08 18:05:22,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:23,149 INFO L124 PetriNetUnfolderBase]: 75/1605 cut-off events. [2024-11-08 18:05:23,150 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-08 18:05:23,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1660 conditions, 1605 events. 75/1605 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7789 event pairs, 12 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1563. Up to 40 conditions per place. [2024-11-08 18:05:23,238 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 15 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-08 18:05:23,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1055 transitions, 2154 flow [2024-11-08 18:05:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-08 18:05:23,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.971093044263776 [2024-11-08 18:05:23,246 INFO L175 Difference]: Start difference. First operand has 1023 places, 1056 transitions, 2122 flow. Second operand 3 states and 3225 transitions. [2024-11-08 18:05:23,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1055 transitions, 2154 flow [2024-11-08 18:05:23,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1055 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:23,271 INFO L231 Difference]: Finished difference. Result has 1022 places, 1055 transitions, 2120 flow [2024-11-08 18:05:23,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1022, PETRI_TRANSITIONS=1055} [2024-11-08 18:05:23,274 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -15 predicate places. [2024-11-08 18:05:23,274 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1055 transitions, 2120 flow [2024-11-08 18:05:23,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:23,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:23,277 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:23,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:05:23,278 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:23,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:23,278 INFO L85 PathProgramCache]: Analyzing trace with hash -991163494, now seen corresponding path program 1 times [2024-11-08 18:05:23,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:23,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074811368] [2024-11-08 18:05:23,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:23,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:23,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:23,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074811368] [2024-11-08 18:05:23,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074811368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:23,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:23,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:23,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822822435] [2024-11-08 18:05:23,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:23,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:23,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:23,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:23,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:23,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1107 [2024-11-08 18:05:23,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:23,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:23,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1107 [2024-11-08 18:05:23,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:25,356 INFO L124 PetriNetUnfolderBase]: 109/2444 cut-off events. [2024-11-08 18:05:25,357 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-08 18:05:25,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 2444 events. 109/2444 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13645 event pairs, 10 based on Foata normal form. 0/1956 useless extension candidates. Maximal degree in co-relation 2388. Up to 35 conditions per place. [2024-11-08 18:05:25,555 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 14 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-08 18:05:25,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1054 transitions, 2150 flow [2024-11-08 18:05:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3227 transitions. [2024-11-08 18:05:25,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9716952725082806 [2024-11-08 18:05:25,562 INFO L175 Difference]: Start difference. First operand has 1022 places, 1055 transitions, 2120 flow. Second operand 3 states and 3227 transitions. [2024-11-08 18:05:25,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1054 transitions, 2150 flow [2024-11-08 18:05:25,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1054 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:25,584 INFO L231 Difference]: Finished difference. Result has 1021 places, 1054 transitions, 2118 flow [2024-11-08 18:05:25,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1021, PETRI_TRANSITIONS=1054} [2024-11-08 18:05:25,587 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -16 predicate places. [2024-11-08 18:05:25,587 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1054 transitions, 2118 flow [2024-11-08 18:05:25,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:25,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:25,590 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:25,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:05:25,591 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:25,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash 467706575, now seen corresponding path program 1 times [2024-11-08 18:05:25,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:25,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082348883] [2024-11-08 18:05:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:25,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:25,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082348883] [2024-11-08 18:05:25,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082348883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:25,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:25,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:25,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693923739] [2024-11-08 18:05:25,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:25,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:25,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:25,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:25,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:25,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1107 [2024-11-08 18:05:25,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:25,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:25,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1107 [2024-11-08 18:05:25,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:27,962 INFO L124 PetriNetUnfolderBase]: 207/4389 cut-off events. [2024-11-08 18:05:27,962 INFO L125 PetriNetUnfolderBase]: For 13/111 co-relation queries the response was YES. [2024-11-08 18:05:28,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 4389 events. 207/4389 cut-off events. For 13/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32378 event pairs, 24 based on Foata normal form. 0/3477 useless extension candidates. Maximal degree in co-relation 4367. Up to 70 conditions per place. [2024-11-08 18:05:28,268 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 21 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-08 18:05:28,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1053 transitions, 2162 flow [2024-11-08 18:05:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-08 18:05:28,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967479674796748 [2024-11-08 18:05:28,274 INFO L175 Difference]: Start difference. First operand has 1021 places, 1054 transitions, 2118 flow. Second operand 3 states and 3213 transitions. [2024-11-08 18:05:28,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1053 transitions, 2162 flow [2024-11-08 18:05:28,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1053 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:28,286 INFO L231 Difference]: Finished difference. Result has 1020 places, 1053 transitions, 2116 flow [2024-11-08 18:05:28,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1020, PETRI_TRANSITIONS=1053} [2024-11-08 18:05:28,289 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -17 predicate places. [2024-11-08 18:05:28,289 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1053 transitions, 2116 flow [2024-11-08 18:05:28,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:28,291 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:28,291 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:28,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:05:28,292 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:28,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:28,292 INFO L85 PathProgramCache]: Analyzing trace with hash -726029023, now seen corresponding path program 1 times [2024-11-08 18:05:28,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:28,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243875053] [2024-11-08 18:05:28,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:28,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:28,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:28,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243875053] [2024-11-08 18:05:28,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243875053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:28,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:28,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:28,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709749280] [2024-11-08 18:05:28,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:28,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:28,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:28,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:28,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:28,403 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1107 [2024-11-08 18:05:28,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:28,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:28,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1107 [2024-11-08 18:05:28,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:29,006 INFO L124 PetriNetUnfolderBase]: 79/1570 cut-off events. [2024-11-08 18:05:29,006 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-08 18:05:29,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 1570 events. 79/1570 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7428 event pairs, 16 based on Foata normal form. 0/1273 useless extension candidates. Maximal degree in co-relation 1511. Up to 53 conditions per place. [2024-11-08 18:05:29,044 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 18 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-08 18:05:29,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1021 places, 1052 transitions, 2154 flow [2024-11-08 18:05:29,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-08 18:05:29,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969286359530262 [2024-11-08 18:05:29,048 INFO L175 Difference]: Start difference. First operand has 1020 places, 1053 transitions, 2116 flow. Second operand 3 states and 3219 transitions. [2024-11-08 18:05:29,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1021 places, 1052 transitions, 2154 flow [2024-11-08 18:05:29,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1019 places, 1052 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:29,059 INFO L231 Difference]: Finished difference. Result has 1019 places, 1052 transitions, 2114 flow [2024-11-08 18:05:29,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1019, PETRI_TRANSITIONS=1052} [2024-11-08 18:05:29,060 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -18 predicate places. [2024-11-08 18:05:29,061 INFO L471 AbstractCegarLoop]: Abstraction has has 1019 places, 1052 transitions, 2114 flow [2024-11-08 18:05:29,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:29,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:29,062 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:29,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:05:29,063 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:29,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:29,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1405685044, now seen corresponding path program 1 times [2024-11-08 18:05:29,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:29,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637841174] [2024-11-08 18:05:29,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:29,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:29,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:29,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637841174] [2024-11-08 18:05:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637841174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:29,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:29,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:29,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403913562] [2024-11-08 18:05:29,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:29,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:29,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:29,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:29,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:29,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1107 [2024-11-08 18:05:29,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:29,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:29,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1107 [2024-11-08 18:05:29,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:29,792 INFO L124 PetriNetUnfolderBase]: 75/1601 cut-off events. [2024-11-08 18:05:29,792 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-08 18:05:29,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1650 conditions, 1601 events. 75/1601 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7315 event pairs, 12 based on Foata normal form. 0/1293 useless extension candidates. Maximal degree in co-relation 1521. Up to 40 conditions per place. [2024-11-08 18:05:29,844 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 15 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-08 18:05:29,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1020 places, 1051 transitions, 2146 flow [2024-11-08 18:05:29,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-08 18:05:29,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.971093044263776 [2024-11-08 18:05:29,848 INFO L175 Difference]: Start difference. First operand has 1019 places, 1052 transitions, 2114 flow. Second operand 3 states and 3225 transitions. [2024-11-08 18:05:29,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1020 places, 1051 transitions, 2146 flow [2024-11-08 18:05:29,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1051 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:29,861 INFO L231 Difference]: Finished difference. Result has 1018 places, 1051 transitions, 2112 flow [2024-11-08 18:05:29,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=1018, PETRI_TRANSITIONS=1051} [2024-11-08 18:05:29,863 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -19 predicate places. [2024-11-08 18:05:29,863 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1051 transitions, 2112 flow [2024-11-08 18:05:29,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:29,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:29,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:29,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:05:29,866 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:29,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:29,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1479135561, now seen corresponding path program 1 times [2024-11-08 18:05:29,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:29,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879392448] [2024-11-08 18:05:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:29,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:29,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:29,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879392448] [2024-11-08 18:05:29,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879392448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:29,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:29,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:29,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795884409] [2024-11-08 18:05:29,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:29,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:29,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:29,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:29,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:29,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1107 [2024-11-08 18:05:29,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1051 transitions, 2112 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:29,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:29,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1107 [2024-11-08 18:05:29,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:30,446 INFO L124 PetriNetUnfolderBase]: 49/1070 cut-off events. [2024-11-08 18:05:30,446 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-08 18:05:30,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 1070 events. 49/1070 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4365 event pairs, 10 based on Foata normal form. 0/885 useless extension candidates. Maximal degree in co-relation 977. Up to 35 conditions per place. [2024-11-08 18:05:30,509 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 14 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-08 18:05:30,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1050 transitions, 2142 flow [2024-11-08 18:05:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3227 transitions. [2024-11-08 18:05:30,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9716952725082806 [2024-11-08 18:05:30,515 INFO L175 Difference]: Start difference. First operand has 1018 places, 1051 transitions, 2112 flow. Second operand 3 states and 3227 transitions. [2024-11-08 18:05:30,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1050 transitions, 2142 flow [2024-11-08 18:05:30,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1050 transitions, 2138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:30,532 INFO L231 Difference]: Finished difference. Result has 1017 places, 1050 transitions, 2110 flow [2024-11-08 18:05:30,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=1017, PETRI_TRANSITIONS=1050} [2024-11-08 18:05:30,535 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -20 predicate places. [2024-11-08 18:05:30,536 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1050 transitions, 2110 flow [2024-11-08 18:05:30,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:30,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:30,538 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:30,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:05:30,538 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:30,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:30,538 INFO L85 PathProgramCache]: Analyzing trace with hash 108824582, now seen corresponding path program 1 times [2024-11-08 18:05:30,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:30,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595251152] [2024-11-08 18:05:30,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:30,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:30,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:30,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595251152] [2024-11-08 18:05:30,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595251152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:30,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:30,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:30,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042586259] [2024-11-08 18:05:30,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:30,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:30,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:30,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:30,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:30,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1107 [2024-11-08 18:05:30,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1050 transitions, 2110 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:30,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:30,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1107 [2024-11-08 18:05:30,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:31,274 INFO L124 PetriNetUnfolderBase]: 87/1599 cut-off events. [2024-11-08 18:05:31,274 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-08 18:05:31,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1678 conditions, 1599 events. 87/1599 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8287 event pairs, 24 based on Foata normal form. 0/1293 useless extension candidates. Maximal degree in co-relation 1533. Up to 70 conditions per place. [2024-11-08 18:05:31,329 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 21 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-08 18:05:31,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1049 transitions, 2154 flow [2024-11-08 18:05:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-08 18:05:31,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967479674796748 [2024-11-08 18:05:31,335 INFO L175 Difference]: Start difference. First operand has 1017 places, 1050 transitions, 2110 flow. Second operand 3 states and 3213 transitions. [2024-11-08 18:05:31,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1049 transitions, 2154 flow [2024-11-08 18:05:31,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1049 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:31,347 INFO L231 Difference]: Finished difference. Result has 1016 places, 1049 transitions, 2108 flow [2024-11-08 18:05:31,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1014, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2108, PETRI_PLACES=1016, PETRI_TRANSITIONS=1049} [2024-11-08 18:05:31,349 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -21 predicate places. [2024-11-08 18:05:31,349 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1049 transitions, 2108 flow [2024-11-08 18:05:31,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:31,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:31,351 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:31,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 18:05:31,351 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:31,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:31,351 INFO L85 PathProgramCache]: Analyzing trace with hash 567937458, now seen corresponding path program 1 times [2024-11-08 18:05:31,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:31,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582911610] [2024-11-08 18:05:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:31,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:31,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:31,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582911610] [2024-11-08 18:05:31,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582911610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:31,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:31,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412363545] [2024-11-08 18:05:31,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:31,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:31,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:31,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:31,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:31,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1107 [2024-11-08 18:05:31,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1049 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:31,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:31,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1107 [2024-11-08 18:05:31,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:32,425 INFO L124 PetriNetUnfolderBase]: 123/2609 cut-off events. [2024-11-08 18:05:32,425 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-08 18:05:32,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2665 conditions, 2609 events. 123/2609 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14337 event pairs, 15 based on Foata normal form. 0/2090 useless extension candidates. Maximal degree in co-relation 2512. Up to 43 conditions per place. [2024-11-08 18:05:32,543 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 12 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-08 18:05:32,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1048 transitions, 2134 flow [2024-11-08 18:05:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-08 18:05:32,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728997289972899 [2024-11-08 18:05:32,551 INFO L175 Difference]: Start difference. First operand has 1016 places, 1049 transitions, 2108 flow. Second operand 3 states and 3231 transitions. [2024-11-08 18:05:32,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1048 transitions, 2134 flow [2024-11-08 18:05:32,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1015 places, 1048 transitions, 2130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:32,569 INFO L231 Difference]: Finished difference. Result has 1015 places, 1048 transitions, 2106 flow [2024-11-08 18:05:32,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1013, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1015, PETRI_TRANSITIONS=1048} [2024-11-08 18:05:32,571 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -22 predicate places. [2024-11-08 18:05:32,571 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1048 transitions, 2106 flow [2024-11-08 18:05:32,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:32,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:32,573 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:32,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 18:05:32,574 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:32,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1748803968, now seen corresponding path program 1 times [2024-11-08 18:05:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:32,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544094254] [2024-11-08 18:05:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:33,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544094254] [2024-11-08 18:05:33,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544094254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:33,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:33,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:05:33,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097143458] [2024-11-08 18:05:33,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:33,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:05:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:33,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:05:33,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:05:33,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1056 out of 1107 [2024-11-08 18:05:33,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1048 transitions, 2106 flow. Second operand has 6 states, 6 states have (on average 1057.5) internal successors, (6345), 6 states have internal predecessors, (6345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:33,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:33,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1056 of 1107 [2024-11-08 18:05:33,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:38,407 INFO L124 PetriNetUnfolderBase]: 895/12788 cut-off events. [2024-11-08 18:05:38,407 INFO L125 PetriNetUnfolderBase]: For 59/69 co-relation queries the response was YES. [2024-11-08 18:05:38,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13408 conditions, 12788 events. 895/12788 cut-off events. For 59/69 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 132323 event pairs, 264 based on Foata normal form. 0/10059 useless extension candidates. Maximal degree in co-relation 13194. Up to 580 conditions per place. [2024-11-08 18:05:38,704 INFO L140 encePairwiseOnDemand]: 1101/1107 looper letters, 26 selfloop transitions, 5 changer transitions 0/1047 dead transitions. [2024-11-08 18:05:38,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1047 transitions, 2166 flow [2024-11-08 18:05:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:05:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:05:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6368 transitions. [2024-11-08 18:05:38,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9587473652514303 [2024-11-08 18:05:38,712 INFO L175 Difference]: Start difference. First operand has 1015 places, 1048 transitions, 2106 flow. Second operand 6 states and 6368 transitions. [2024-11-08 18:05:38,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1047 transitions, 2166 flow [2024-11-08 18:05:38,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1047 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:38,725 INFO L231 Difference]: Finished difference. Result has 1017 places, 1047 transitions, 2110 flow [2024-11-08 18:05:38,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1012, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1042, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2110, PETRI_PLACES=1017, PETRI_TRANSITIONS=1047} [2024-11-08 18:05:38,726 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -20 predicate places. [2024-11-08 18:05:38,726 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1047 transitions, 2110 flow [2024-11-08 18:05:38,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1057.5) internal successors, (6345), 6 states have internal predecessors, (6345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:38,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:38,729 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:38,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 18:05:38,729 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:38,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:38,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1011233068, now seen corresponding path program 1 times [2024-11-08 18:05:38,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:38,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652142202] [2024-11-08 18:05:38,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:38,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:38,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:38,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652142202] [2024-11-08 18:05:38,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652142202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:38,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:38,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:38,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493104686] [2024-11-08 18:05:38,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:38,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:38,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:38,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:38,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:38,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1107 [2024-11-08 18:05:38,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1047 transitions, 2110 flow. Second operand has 3 states, 3 states have (on average 1072.6666666666667) internal successors, (3218), 3 states have internal predecessors, (3218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:38,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:38,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1107 [2024-11-08 18:05:38,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:39,607 INFO L124 PetriNetUnfolderBase]: 81/1602 cut-off events. [2024-11-08 18:05:39,607 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 18:05:39,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1602 events. 81/1602 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8280 event pairs, 14 based on Foata normal form. 0/1302 useless extension candidates. Maximal degree in co-relation 1665. Up to 43 conditions per place. [2024-11-08 18:05:39,672 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 16 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-08 18:05:39,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1048 transitions, 2150 flow [2024-11-08 18:05:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-08 18:05:39,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9732008431195424 [2024-11-08 18:05:39,678 INFO L175 Difference]: Start difference. First operand has 1017 places, 1047 transitions, 2110 flow. Second operand 3 states and 3232 transitions. [2024-11-08 18:05:39,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1048 transitions, 2150 flow [2024-11-08 18:05:39,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1013 places, 1048 transitions, 2140 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 18:05:39,690 INFO L231 Difference]: Finished difference. Result has 1013 places, 1046 transitions, 2102 flow [2024-11-08 18:05:39,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1011, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2102, PETRI_PLACES=1013, PETRI_TRANSITIONS=1046} [2024-11-08 18:05:39,691 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -24 predicate places. [2024-11-08 18:05:39,691 INFO L471 AbstractCegarLoop]: Abstraction has has 1013 places, 1046 transitions, 2102 flow [2024-11-08 18:05:39,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.6666666666667) internal successors, (3218), 3 states have internal predecessors, (3218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:39,692 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:39,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:39,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 18:05:39,693 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:39,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:39,693 INFO L85 PathProgramCache]: Analyzing trace with hash -180194422, now seen corresponding path program 1 times [2024-11-08 18:05:39,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:39,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473569024] [2024-11-08 18:05:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:39,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:39,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:39,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473569024] [2024-11-08 18:05:39,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473569024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:39,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:39,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69895291] [2024-11-08 18:05:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:39,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:39,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:39,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:39,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:39,841 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1107 [2024-11-08 18:05:39,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1013 places, 1046 transitions, 2102 flow. Second operand has 3 states, 3 states have (on average 1066.6666666666667) internal successors, (3200), 3 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:39,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:39,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1107 [2024-11-08 18:05:39,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:40,699 INFO L124 PetriNetUnfolderBase]: 117/2152 cut-off events. [2024-11-08 18:05:40,700 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 18:05:40,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 2152 events. 117/2152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13249 event pairs, 26 based on Foata normal form. 0/1737 useless extension candidates. Maximal degree in co-relation 2058. Up to 73 conditions per place. [2024-11-08 18:05:40,774 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 22 selfloop transitions, 2 changer transitions 0/1047 dead transitions. [2024-11-08 18:05:40,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1014 places, 1047 transitions, 2154 flow [2024-11-08 18:05:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-08 18:05:40,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695874736525143 [2024-11-08 18:05:40,778 INFO L175 Difference]: Start difference. First operand has 1013 places, 1046 transitions, 2102 flow. Second operand 3 states and 3220 transitions. [2024-11-08 18:05:40,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1014 places, 1047 transitions, 2154 flow [2024-11-08 18:05:40,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1012 places, 1047 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:40,794 INFO L231 Difference]: Finished difference. Result has 1012 places, 1045 transitions, 2100 flow [2024-11-08 18:05:40,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=1010, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1043, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2100, PETRI_PLACES=1012, PETRI_TRANSITIONS=1045} [2024-11-08 18:05:40,795 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -25 predicate places. [2024-11-08 18:05:40,796 INFO L471 AbstractCegarLoop]: Abstraction has has 1012 places, 1045 transitions, 2100 flow [2024-11-08 18:05:40,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.6666666666667) internal successors, (3200), 3 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:40,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:40,798 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:40,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 18:05:40,798 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:40,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:40,799 INFO L85 PathProgramCache]: Analyzing trace with hash 821169595, now seen corresponding path program 1 times [2024-11-08 18:05:40,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:40,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911256445] [2024-11-08 18:05:40,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:40,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:40,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911256445] [2024-11-08 18:05:40,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911256445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:40,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:40,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:40,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542120356] [2024-11-08 18:05:40,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:40,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:40,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:40,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:40,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:40,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1107 [2024-11-08 18:05:40,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1012 places, 1045 transitions, 2100 flow. Second operand has 3 states, 3 states have (on average 1073.0) internal successors, (3219), 3 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:40,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:40,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1107 [2024-11-08 18:05:40,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:41,604 INFO L124 PetriNetUnfolderBase]: 81/1600 cut-off events. [2024-11-08 18:05:41,604 INFO L125 PetriNetUnfolderBase]: For 11/20 co-relation queries the response was YES. [2024-11-08 18:05:41,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1669 conditions, 1600 events. 81/1600 cut-off events. For 11/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7883 event pairs, 14 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 1450. Up to 43 conditions per place. [2024-11-08 18:05:41,676 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 16 selfloop transitions, 2 changer transitions 0/1046 dead transitions. [2024-11-08 18:05:41,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1013 places, 1046 transitions, 2140 flow [2024-11-08 18:05:41,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-08 18:05:41,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9732008431195424 [2024-11-08 18:05:41,678 INFO L175 Difference]: Start difference. First operand has 1012 places, 1045 transitions, 2100 flow. Second operand 3 states and 3232 transitions. [2024-11-08 18:05:41,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1013 places, 1046 transitions, 2140 flow [2024-11-08 18:05:41,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1011 places, 1046 transitions, 2136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:41,693 INFO L231 Difference]: Finished difference. Result has 1011 places, 1044 transitions, 2098 flow [2024-11-08 18:05:41,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=1009, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1042, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2098, PETRI_PLACES=1011, PETRI_TRANSITIONS=1044} [2024-11-08 18:05:41,694 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -26 predicate places. [2024-11-08 18:05:41,695 INFO L471 AbstractCegarLoop]: Abstraction has has 1011 places, 1044 transitions, 2098 flow [2024-11-08 18:05:41,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.0) internal successors, (3219), 3 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:41,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:41,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:41,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 18:05:41,697 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:41,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash 539565809, now seen corresponding path program 1 times [2024-11-08 18:05:41,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:41,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281805713] [2024-11-08 18:05:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:41,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:41,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281805713] [2024-11-08 18:05:41,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281805713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:41,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:41,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:41,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222853893] [2024-11-08 18:05:41,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:41,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:41,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:41,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:41,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1107 [2024-11-08 18:05:41,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1011 places, 1044 transitions, 2098 flow. Second operand has 3 states, 3 states have (on average 1052.3333333333333) internal successors, (3157), 3 states have internal predecessors, (3157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:41,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:41,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1107 [2024-11-08 18:05:41,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:44,905 INFO L124 PetriNetUnfolderBase]: 442/6239 cut-off events. [2024-11-08 18:05:44,906 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-08 18:05:45,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6610 conditions, 6239 events. 442/6239 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 51427 event pairs, 110 based on Foata normal form. 0/4992 useless extension candidates. Maximal degree in co-relation 6094. Up to 339 conditions per place. [2024-11-08 18:05:45,472 INFO L140 encePairwiseOnDemand]: 1095/1107 looper letters, 29 selfloop transitions, 2 changer transitions 0/1038 dead transitions. [2024-11-08 18:05:45,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1003 places, 1038 transitions, 2150 flow [2024-11-08 18:05:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3194 transitions. [2024-11-08 18:05:45,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617585064739537 [2024-11-08 18:05:45,476 INFO L175 Difference]: Start difference. First operand has 1011 places, 1044 transitions, 2098 flow. Second operand 3 states and 3194 transitions. [2024-11-08 18:05:45,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1003 places, 1038 transitions, 2150 flow [2024-11-08 18:05:45,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1001 places, 1038 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:45,494 INFO L231 Difference]: Finished difference. Result has 1002 places, 1036 transitions, 2088 flow [2024-11-08 18:05:45,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=999, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1034, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1032, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2088, PETRI_PLACES=1002, PETRI_TRANSITIONS=1036} [2024-11-08 18:05:45,496 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -35 predicate places. [2024-11-08 18:05:45,497 INFO L471 AbstractCegarLoop]: Abstraction has has 1002 places, 1036 transitions, 2088 flow [2024-11-08 18:05:45,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1052.3333333333333) internal successors, (3157), 3 states have internal predecessors, (3157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:45,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:45,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:45,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 18:05:45,499 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:45,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1168220589, now seen corresponding path program 1 times [2024-11-08 18:05:45,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:45,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592125154] [2024-11-08 18:05:45,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:45,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:45,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:45,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592125154] [2024-11-08 18:05:45,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592125154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:45,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:45,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:45,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713190827] [2024-11-08 18:05:45,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:45,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:45,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:45,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:45,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:45,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1107 [2024-11-08 18:05:45,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1002 places, 1036 transitions, 2088 flow. Second operand has 3 states, 3 states have (on average 1052.3333333333333) internal successors, (3157), 3 states have internal predecessors, (3157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:45,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:45,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1107 [2024-11-08 18:05:45,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:49,431 INFO L124 PetriNetUnfolderBase]: 860/10617 cut-off events. [2024-11-08 18:05:49,431 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-08 18:05:49,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11423 conditions, 10617 events. 860/10617 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 101447 event pairs, 190 based on Foata normal form. 0/8540 useless extension candidates. Maximal degree in co-relation 10945. Up to 660 conditions per place. [2024-11-08 18:05:50,468 INFO L140 encePairwiseOnDemand]: 1095/1107 looper letters, 29 selfloop transitions, 2 changer transitions 0/1030 dead transitions. [2024-11-08 18:05:50,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 994 places, 1030 transitions, 2140 flow [2024-11-08 18:05:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3194 transitions. [2024-11-08 18:05:50,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617585064739537 [2024-11-08 18:05:50,472 INFO L175 Difference]: Start difference. First operand has 1002 places, 1036 transitions, 2088 flow. Second operand 3 states and 3194 transitions. [2024-11-08 18:05:50,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 994 places, 1030 transitions, 2140 flow [2024-11-08 18:05:50,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 994 places, 1030 transitions, 2140 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 18:05:50,486 INFO L231 Difference]: Finished difference. Result has 995 places, 1028 transitions, 2082 flow [2024-11-08 18:05:50,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2068, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1024, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2082, PETRI_PLACES=995, PETRI_TRANSITIONS=1028} [2024-11-08 18:05:50,488 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -42 predicate places. [2024-11-08 18:05:50,488 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1028 transitions, 2082 flow [2024-11-08 18:05:50,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1052.3333333333333) internal successors, (3157), 3 states have internal predecessors, (3157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:50,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:50,489 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:50,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 18:05:50,489 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:50,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1587108816, now seen corresponding path program 1 times [2024-11-08 18:05:50,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:50,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917611125] [2024-11-08 18:05:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:50,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:50,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:50,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917611125] [2024-11-08 18:05:50,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917611125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:50,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:50,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217739903] [2024-11-08 18:05:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:50,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:50,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1107 [2024-11-08 18:05:50,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1028 transitions, 2082 flow. Second operand has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:50,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:50,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1107 [2024-11-08 18:05:50,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:51,684 INFO L124 PetriNetUnfolderBase]: 168/2869 cut-off events. [2024-11-08 18:05:51,685 INFO L125 PetriNetUnfolderBase]: For 17/44 co-relation queries the response was YES. [2024-11-08 18:05:51,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3038 conditions, 2869 events. 168/2869 cut-off events. For 17/44 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 20438 event pairs, 26 based on Foata normal form. 0/2339 useless extension candidates. Maximal degree in co-relation 2301. Up to 106 conditions per place. [2024-11-08 18:05:51,810 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 22 selfloop transitions, 2 changer transitions 0/1029 dead transitions. [2024-11-08 18:05:51,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1029 transitions, 2134 flow [2024-11-08 18:05:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-08 18:05:51,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695874736525143 [2024-11-08 18:05:51,813 INFO L175 Difference]: Start difference. First operand has 995 places, 1028 transitions, 2082 flow. Second operand 3 states and 3220 transitions. [2024-11-08 18:05:51,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1029 transitions, 2134 flow [2024-11-08 18:05:51,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 996 places, 1029 transitions, 2134 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 18:05:51,823 INFO L231 Difference]: Finished difference. Result has 996 places, 1027 transitions, 2084 flow [2024-11-08 18:05:51,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2080, PETRI_DIFFERENCE_MINUEND_PLACES=994, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1025, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2084, PETRI_PLACES=996, PETRI_TRANSITIONS=1027} [2024-11-08 18:05:51,824 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -41 predicate places. [2024-11-08 18:05:51,824 INFO L471 AbstractCegarLoop]: Abstraction has has 996 places, 1027 transitions, 2084 flow [2024-11-08 18:05:51,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:51,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:51,826 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:51,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 18:05:51,826 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:51,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:51,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1844086771, now seen corresponding path program 1 times [2024-11-08 18:05:51,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:51,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835566152] [2024-11-08 18:05:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:51,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:51,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835566152] [2024-11-08 18:05:51,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835566152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:51,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:51,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202531112] [2024-11-08 18:05:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:51,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:51,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:51,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:51,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:51,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1107 [2024-11-08 18:05:51,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 996 places, 1027 transitions, 2084 flow. Second operand has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:51,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:51,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1107 [2024-11-08 18:05:51,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:52,998 INFO L124 PetriNetUnfolderBase]: 107/2078 cut-off events. [2024-11-08 18:05:52,998 INFO L125 PetriNetUnfolderBase]: For 21/44 co-relation queries the response was YES. [2024-11-08 18:05:53,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2159 conditions, 2078 events. 107/2078 cut-off events. For 21/44 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11762 event pairs, 4 based on Foata normal form. 0/1705 useless extension candidates. Maximal degree in co-relation 1930. Up to 48 conditions per place. [2024-11-08 18:05:53,084 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 16 selfloop transitions, 2 changer transitions 0/1028 dead transitions. [2024-11-08 18:05:53,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 997 places, 1028 transitions, 2124 flow [2024-11-08 18:05:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-08 18:05:53,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9732008431195424 [2024-11-08 18:05:53,170 INFO L175 Difference]: Start difference. First operand has 996 places, 1027 transitions, 2084 flow. Second operand 3 states and 3232 transitions. [2024-11-08 18:05:53,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 997 places, 1028 transitions, 2124 flow [2024-11-08 18:05:53,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 995 places, 1028 transitions, 2120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:53,185 INFO L231 Difference]: Finished difference. Result has 995 places, 1026 transitions, 2082 flow [2024-11-08 18:05:53,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1024, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2082, PETRI_PLACES=995, PETRI_TRANSITIONS=1026} [2024-11-08 18:05:53,186 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -42 predicate places. [2024-11-08 18:05:53,186 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1026 transitions, 2082 flow [2024-11-08 18:05:53,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:53,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:53,187 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:53,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 18:05:53,187 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:53,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:53,188 INFO L85 PathProgramCache]: Analyzing trace with hash -337087823, now seen corresponding path program 1 times [2024-11-08 18:05:53,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:53,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663537605] [2024-11-08 18:05:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:53,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:53,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663537605] [2024-11-08 18:05:53,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663537605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:53,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:53,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:53,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156655469] [2024-11-08 18:05:53,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:53,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:53,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:53,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:53,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:53,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1062 out of 1107 [2024-11-08 18:05:53,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1026 transitions, 2082 flow. Second operand has 3 states, 3 states have (on average 1063.3333333333333) internal successors, (3190), 3 states have internal predecessors, (3190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:53,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:53,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1062 of 1107 [2024-11-08 18:05:53,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:05:55,677 INFO L124 PetriNetUnfolderBase]: 193/3771 cut-off events. [2024-11-08 18:05:55,678 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-08 18:05:55,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3914 conditions, 3771 events. 193/3771 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25681 event pairs, 8 based on Foata normal form. 0/3079 useless extension candidates. Maximal degree in co-relation 3434. Up to 42 conditions per place. [2024-11-08 18:05:55,952 INFO L140 encePairwiseOnDemand]: 1093/1107 looper letters, 18 selfloop transitions, 9 changer transitions 0/1027 dead transitions. [2024-11-08 18:05:55,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 992 places, 1027 transitions, 2140 flow [2024-11-08 18:05:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:05:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:05:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3218 transitions. [2024-11-08 18:05:55,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9689852454080097 [2024-11-08 18:05:55,958 INFO L175 Difference]: Start difference. First operand has 995 places, 1026 transitions, 2082 flow. Second operand 3 states and 3218 transitions. [2024-11-08 18:05:55,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 992 places, 1027 transitions, 2140 flow [2024-11-08 18:05:55,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 990 places, 1027 transitions, 2136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:05:55,980 INFO L231 Difference]: Finished difference. Result has 991 places, 1025 transitions, 2111 flow [2024-11-08 18:05:55,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2068, PETRI_DIFFERENCE_MINUEND_PLACES=988, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1012, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2111, PETRI_PLACES=991, PETRI_TRANSITIONS=1025} [2024-11-08 18:05:55,982 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -46 predicate places. [2024-11-08 18:05:55,982 INFO L471 AbstractCegarLoop]: Abstraction has has 991 places, 1025 transitions, 2111 flow [2024-11-08 18:05:55,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1063.3333333333333) internal successors, (3190), 3 states have internal predecessors, (3190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:55,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:05:55,984 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:55,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 18:05:55,984 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:05:55,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash 408826178, now seen corresponding path program 1 times [2024-11-08 18:05:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:05:55,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526939878] [2024-11-08 18:05:55,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:55,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:05:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:05:56,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:05:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526939878] [2024-11-08 18:05:56,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526939878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:05:56,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:05:56,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:05:56,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714912348] [2024-11-08 18:05:56,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:05:56,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:05:56,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:05:56,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:05:56,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:05:56,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1107 [2024-11-08 18:05:56,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 991 places, 1025 transitions, 2111 flow. Second operand has 3 states, 3 states have (on average 1052.6666666666667) internal successors, (3158), 3 states have internal predecessors, (3158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:05:56,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:05:56,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1107 [2024-11-08 18:05:56,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:02,906 INFO L124 PetriNetUnfolderBase]: 1562/19945 cut-off events. [2024-11-08 18:06:02,906 INFO L125 PetriNetUnfolderBase]: For 147/153 co-relation queries the response was YES. [2024-11-08 18:06:03,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21183 conditions, 19945 events. 1562/19945 cut-off events. For 147/153 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 223073 event pairs, 488 based on Foata normal form. 0/16095 useless extension candidates. Maximal degree in co-relation 16200. Up to 1175 conditions per place. [2024-11-08 18:06:03,450 INFO L140 encePairwiseOnDemand]: 1095/1107 looper letters, 29 selfloop transitions, 2 changer transitions 0/1019 dead transitions. [2024-11-08 18:06:03,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1019 transitions, 2163 flow [2024-11-08 18:06:03,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3194 transitions. [2024-11-08 18:06:03,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617585064739537 [2024-11-08 18:06:03,454 INFO L175 Difference]: Start difference. First operand has 991 places, 1025 transitions, 2111 flow. Second operand 3 states and 3194 transitions. [2024-11-08 18:06:03,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1019 transitions, 2163 flow [2024-11-08 18:06:03,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1019 transitions, 2154 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:06:03,470 INFO L231 Difference]: Finished difference. Result has 983 places, 1017 transitions, 2096 flow [2024-11-08 18:06:03,472 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2082, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=983, PETRI_TRANSITIONS=1017} [2024-11-08 18:06:03,472 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -54 predicate places. [2024-11-08 18:06:03,473 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 1017 transitions, 2096 flow [2024-11-08 18:06:03,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1052.6666666666667) internal successors, (3158), 3 states have internal predecessors, (3158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:03,474 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:03,474 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:03,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 18:06:03,474 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:03,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:03,475 INFO L85 PathProgramCache]: Analyzing trace with hash -576923654, now seen corresponding path program 1 times [2024-11-08 18:06:03,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:03,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221170067] [2024-11-08 18:06:03,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:03,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:03,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:03,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221170067] [2024-11-08 18:06:03,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221170067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:03,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:03,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:03,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34927463] [2024-11-08 18:06:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:03,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:03,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:03,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:03,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:03,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1107 [2024-11-08 18:06:03,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1017 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1069.6666666666667) internal successors, (3209), 3 states have internal predecessors, (3209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:03,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:03,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1107 [2024-11-08 18:06:03,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:05,215 INFO L124 PetriNetUnfolderBase]: 263/5104 cut-off events. [2024-11-08 18:06:05,215 INFO L125 PetriNetUnfolderBase]: For 36/52 co-relation queries the response was YES. [2024-11-08 18:06:05,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5304 conditions, 5104 events. 263/5104 cut-off events. For 36/52 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 44335 event pairs, 20 based on Foata normal form. 1/4213 useless extension candidates. Maximal degree in co-relation 4576. Up to 68 conditions per place. [2024-11-08 18:06:05,396 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 22 selfloop transitions, 3 changer transitions 0/1018 dead transitions. [2024-11-08 18:06:05,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1018 transitions, 2150 flow [2024-11-08 18:06:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-08 18:06:05,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9713941583860283 [2024-11-08 18:06:05,400 INFO L175 Difference]: Start difference. First operand has 983 places, 1017 transitions, 2096 flow. Second operand 3 states and 3226 transitions. [2024-11-08 18:06:05,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1018 transitions, 2150 flow [2024-11-08 18:06:05,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 984 places, 1018 transitions, 2150 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 18:06:05,529 INFO L231 Difference]: Finished difference. Result has 984 places, 1016 transitions, 2100 flow [2024-11-08 18:06:05,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=982, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2100, PETRI_PLACES=984, PETRI_TRANSITIONS=1016} [2024-11-08 18:06:05,531 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -53 predicate places. [2024-11-08 18:06:05,531 INFO L471 AbstractCegarLoop]: Abstraction has has 984 places, 1016 transitions, 2100 flow [2024-11-08 18:06:05,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.6666666666667) internal successors, (3209), 3 states have internal predecessors, (3209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:05,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:05,533 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:05,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 18:06:05,533 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:05,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:05,534 INFO L85 PathProgramCache]: Analyzing trace with hash -75208461, now seen corresponding path program 1 times [2024-11-08 18:06:05,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:05,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710339673] [2024-11-08 18:06:05,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:05,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:05,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:05,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710339673] [2024-11-08 18:06:05,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710339673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:05,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:05,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:05,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054853520] [2024-11-08 18:06:05,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:05,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:05,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:05,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:05,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:05,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1107 [2024-11-08 18:06:05,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 984 places, 1016 transitions, 2100 flow. Second operand has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:05,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:05,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1107 [2024-11-08 18:06:05,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:06,775 INFO L124 PetriNetUnfolderBase]: 170/2818 cut-off events. [2024-11-08 18:06:06,775 INFO L125 PetriNetUnfolderBase]: For 44/56 co-relation queries the response was YES. [2024-11-08 18:06:06,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3023 conditions, 2818 events. 170/2818 cut-off events. For 44/56 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21024 event pairs, 15 based on Foata normal form. 1/2342 useless extension candidates. Maximal degree in co-relation 2272. Up to 139 conditions per place. [2024-11-08 18:06:06,858 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 22 selfloop transitions, 2 changer transitions 0/1017 dead transitions. [2024-11-08 18:06:06,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 985 places, 1017 transitions, 2152 flow [2024-11-08 18:06:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-08 18:06:06,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695874736525143 [2024-11-08 18:06:06,861 INFO L175 Difference]: Start difference. First operand has 984 places, 1016 transitions, 2100 flow. Second operand 3 states and 3220 transitions. [2024-11-08 18:06:06,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 985 places, 1017 transitions, 2152 flow [2024-11-08 18:06:06,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 1017 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:06:06,870 INFO L231 Difference]: Finished difference. Result has 983 places, 1015 transitions, 2096 flow [2024-11-08 18:06:06,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2092, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=983, PETRI_TRANSITIONS=1015} [2024-11-08 18:06:06,872 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -54 predicate places. [2024-11-08 18:06:06,873 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 1015 transitions, 2096 flow [2024-11-08 18:06:06,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:06,873 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:06,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:06,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 18:06:06,874 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:06,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:06,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1183828009, now seen corresponding path program 1 times [2024-11-08 18:06:06,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:06,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089590591] [2024-11-08 18:06:06,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:06,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:06,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089590591] [2024-11-08 18:06:06,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089590591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:06,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:06,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:06,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472532155] [2024-11-08 18:06:06,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:06,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:06,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:06,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1062 out of 1107 [2024-11-08 18:06:06,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1015 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1063.6666666666667) internal successors, (3191), 3 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:06,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:06,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1062 of 1107 [2024-11-08 18:06:06,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:08,704 INFO L124 PetriNetUnfolderBase]: 299/5503 cut-off events. [2024-11-08 18:06:08,704 INFO L125 PetriNetUnfolderBase]: For 14/28 co-relation queries the response was YES. [2024-11-08 18:06:08,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5751 conditions, 5503 events. 299/5503 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 44966 event pairs, 15 based on Foata normal form. 0/4551 useless extension candidates. Maximal degree in co-relation 5385. Up to 66 conditions per place. [2024-11-08 18:06:08,864 INFO L140 encePairwiseOnDemand]: 1093/1107 looper letters, 18 selfloop transitions, 9 changer transitions 0/1016 dead transitions. [2024-11-08 18:06:08,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 1016 transitions, 2154 flow [2024-11-08 18:06:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3218 transitions. [2024-11-08 18:06:08,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9689852454080097 [2024-11-08 18:06:08,868 INFO L175 Difference]: Start difference. First operand has 983 places, 1015 transitions, 2096 flow. Second operand 3 states and 3218 transitions. [2024-11-08 18:06:08,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 1016 transitions, 2154 flow [2024-11-08 18:06:08,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 1016 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:06:08,885 INFO L231 Difference]: Finished difference. Result has 979 places, 1014 transitions, 2125 flow [2024-11-08 18:06:08,886 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2082, PETRI_DIFFERENCE_MINUEND_PLACES=976, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2125, PETRI_PLACES=979, PETRI_TRANSITIONS=1014} [2024-11-08 18:06:08,886 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -58 predicate places. [2024-11-08 18:06:08,886 INFO L471 AbstractCegarLoop]: Abstraction has has 979 places, 1014 transitions, 2125 flow [2024-11-08 18:06:08,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1063.6666666666667) internal successors, (3191), 3 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:08,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:08,890 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:08,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 18:06:08,890 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:08,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:08,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1470600311, now seen corresponding path program 1 times [2024-11-08 18:06:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:08,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337044910] [2024-11-08 18:06:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:08,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:08,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337044910] [2024-11-08 18:06:08,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337044910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:08,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:08,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:08,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090981829] [2024-11-08 18:06:08,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:08,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:08,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:08,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:08,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:09,019 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1107 [2024-11-08 18:06:09,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 979 places, 1014 transitions, 2125 flow. Second operand has 3 states, 3 states have (on average 1070.0) internal successors, (3210), 3 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:09,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:09,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1107 [2024-11-08 18:06:09,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:11,429 INFO L124 PetriNetUnfolderBase]: 286/5371 cut-off events. [2024-11-08 18:06:11,429 INFO L125 PetriNetUnfolderBase]: For 113/166 co-relation queries the response was YES. [2024-11-08 18:06:11,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5674 conditions, 5371 events. 286/5371 cut-off events. For 113/166 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 47755 event pairs, 24 based on Foata normal form. 0/4450 useless extension candidates. Maximal degree in co-relation 5081. Up to 104 conditions per place. [2024-11-08 18:06:11,566 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 22 selfloop transitions, 3 changer transitions 0/1015 dead transitions. [2024-11-08 18:06:11,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 1015 transitions, 2179 flow [2024-11-08 18:06:11,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-08 18:06:11,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9713941583860283 [2024-11-08 18:06:11,571 INFO L175 Difference]: Start difference. First operand has 979 places, 1014 transitions, 2125 flow. Second operand 3 states and 3226 transitions. [2024-11-08 18:06:11,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 1015 transitions, 2179 flow [2024-11-08 18:06:11,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 979 places, 1015 transitions, 2170 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:06:11,594 INFO L231 Difference]: Finished difference. Result has 979 places, 1013 transitions, 2120 flow [2024-11-08 18:06:11,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=977, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1013, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=979, PETRI_TRANSITIONS=1013} [2024-11-08 18:06:11,595 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -58 predicate places. [2024-11-08 18:06:11,595 INFO L471 AbstractCegarLoop]: Abstraction has has 979 places, 1013 transitions, 2120 flow [2024-11-08 18:06:11,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.0) internal successors, (3210), 3 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:11,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:11,597 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:11,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 18:06:11,597 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:11,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:11,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2015484902, now seen corresponding path program 1 times [2024-11-08 18:06:11,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:11,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882321754] [2024-11-08 18:06:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:11,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:11,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882321754] [2024-11-08 18:06:11,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882321754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:11,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:11,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:11,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988848036] [2024-11-08 18:06:11,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:11,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:11,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:11,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:11,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:11,734 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1062 out of 1107 [2024-11-08 18:06:11,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 979 places, 1013 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1064.0) internal successors, (3192), 3 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:11,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:11,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1062 of 1107 [2024-11-08 18:06:11,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:13,225 INFO L124 PetriNetUnfolderBase]: 175/3083 cut-off events. [2024-11-08 18:06:13,225 INFO L125 PetriNetUnfolderBase]: For 38/45 co-relation queries the response was YES. [2024-11-08 18:06:13,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3337 conditions, 3083 events. 175/3083 cut-off events. For 38/45 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21993 event pairs, 21 based on Foata normal form. 3/2608 useless extension candidates. Maximal degree in co-relation 2559. Up to 90 conditions per place. [2024-11-08 18:06:13,348 INFO L140 encePairwiseOnDemand]: 1093/1107 looper letters, 16 selfloop transitions, 8 changer transitions 12/1014 dead transitions. [2024-11-08 18:06:13,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 976 places, 1014 transitions, 2176 flow [2024-11-08 18:06:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3217 transitions. [2024-11-08 18:06:13,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686841312857573 [2024-11-08 18:06:13,353 INFO L175 Difference]: Start difference. First operand has 979 places, 1013 transitions, 2120 flow. Second operand 3 states and 3217 transitions. [2024-11-08 18:06:13,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 976 places, 1014 transitions, 2176 flow [2024-11-08 18:06:13,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 974 places, 1014 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:06:13,367 INFO L231 Difference]: Finished difference. Result has 975 places, 1000 transitions, 2115 flow [2024-11-08 18:06:13,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=972, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2115, PETRI_PLACES=975, PETRI_TRANSITIONS=1000} [2024-11-08 18:06:13,369 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -62 predicate places. [2024-11-08 18:06:13,369 INFO L471 AbstractCegarLoop]: Abstraction has has 975 places, 1000 transitions, 2115 flow [2024-11-08 18:06:13,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.0) internal successors, (3192), 3 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:13,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:13,370 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:13,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 18:06:13,370 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:13,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:13,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1899335111, now seen corresponding path program 1 times [2024-11-08 18:06:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:13,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886599905] [2024-11-08 18:06:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:13,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:13,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886599905] [2024-11-08 18:06:13,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886599905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:13,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:13,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:06:13,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736126547] [2024-11-08 18:06:13,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:13,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:13,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:13,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:13,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:13,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1107 [2024-11-08 18:06:13,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 975 places, 1000 transitions, 2115 flow. Second operand has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:13,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:13,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1107 [2024-11-08 18:06:13,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:15,207 INFO L124 PetriNetUnfolderBase]: 216/4627 cut-off events. [2024-11-08 18:06:15,207 INFO L125 PetriNetUnfolderBase]: For 40/50 co-relation queries the response was YES. [2024-11-08 18:06:15,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4956 conditions, 4627 events. 216/4627 cut-off events. For 40/50 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 38943 event pairs, 4 based on Foata normal form. 1/3902 useless extension candidates. Maximal degree in co-relation 4560. Up to 73 conditions per place. [2024-11-08 18:06:15,326 INFO L140 encePairwiseOnDemand]: 1104/1107 looper letters, 16 selfloop transitions, 2 changer transitions 0/1005 dead transitions. [2024-11-08 18:06:15,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 966 places, 1005 transitions, 2165 flow [2024-11-08 18:06:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3241 transitions. [2024-11-08 18:06:15,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9759108702198133 [2024-11-08 18:06:15,330 INFO L175 Difference]: Start difference. First operand has 975 places, 1000 transitions, 2115 flow. Second operand 3 states and 3241 transitions. [2024-11-08 18:06:15,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 966 places, 1005 transitions, 2165 flow [2024-11-08 18:06:15,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 965 places, 1005 transitions, 2157 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:06:15,339 INFO L231 Difference]: Finished difference. Result has 967 places, 1001 transitions, 2121 flow [2024-11-08 18:06:15,339 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2107, PETRI_DIFFERENCE_MINUEND_PLACES=963, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1000, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2121, PETRI_PLACES=967, PETRI_TRANSITIONS=1001} [2024-11-08 18:06:15,340 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -70 predicate places. [2024-11-08 18:06:15,340 INFO L471 AbstractCegarLoop]: Abstraction has has 967 places, 1001 transitions, 2121 flow [2024-11-08 18:06:15,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:15,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:15,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:15,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 18:06:15,341 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:15,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1526319575, now seen corresponding path program 1 times [2024-11-08 18:06:15,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:15,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241856357] [2024-11-08 18:06:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:15,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:15,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:15,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241856357] [2024-11-08 18:06:15,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241856357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:15,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:15,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:15,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5825257] [2024-11-08 18:06:15,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:15,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:15,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:15,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:15,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:15,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1053 out of 1107 [2024-11-08 18:06:15,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 967 places, 1001 transitions, 2121 flow. Second operand has 3 states, 3 states have (on average 1054.6666666666667) internal successors, (3164), 3 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:15,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:15,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1053 of 1107 [2024-11-08 18:06:15,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:06:18,879 INFO L124 PetriNetUnfolderBase]: 489/9046 cut-off events. [2024-11-08 18:06:18,880 INFO L125 PetriNetUnfolderBase]: For 6/42 co-relation queries the response was YES. [2024-11-08 18:06:19,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9833 conditions, 9046 events. 489/9046 cut-off events. For 6/42 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 83250 event pairs, 14 based on Foata normal form. 2/7654 useless extension candidates. Maximal degree in co-relation 8206. Up to 166 conditions per place. [2024-11-08 18:06:19,423 INFO L140 encePairwiseOnDemand]: 1090/1107 looper letters, 23 selfloop transitions, 9 changer transitions 0/999 dead transitions. [2024-11-08 18:06:19,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 999 transitions, 2183 flow [2024-11-08 18:06:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:06:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:06:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3199 transitions. [2024-11-08 18:06:19,427 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9632640770852153 [2024-11-08 18:06:19,427 INFO L175 Difference]: Start difference. First operand has 967 places, 1001 transitions, 2121 flow. Second operand 3 states and 3199 transitions. [2024-11-08 18:06:19,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 999 transitions, 2183 flow [2024-11-08 18:06:19,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 999 transitions, 2181 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:06:19,443 INFO L231 Difference]: Finished difference. Result has 962 places, 997 transitions, 2155 flow [2024-11-08 18:06:19,444 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1107, PETRI_DIFFERENCE_MINUEND_FLOW=2103, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=984, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2155, PETRI_PLACES=962, PETRI_TRANSITIONS=997} [2024-11-08 18:06:19,444 INFO L277 CegarLoopForPetriNet]: 1037 programPoint places, -75 predicate places. [2024-11-08 18:06:19,445 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 997 transitions, 2155 flow [2024-11-08 18:06:19,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1054.6666666666667) internal successors, (3164), 3 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:19,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:06:19,446 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:06:19,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 18:06:19,446 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-08 18:06:19,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:19,447 INFO L85 PathProgramCache]: Analyzing trace with hash 305506011, now seen corresponding path program 1 times [2024-11-08 18:06:19,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:06:19,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408975691] [2024-11-08 18:06:19,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:19,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:06:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:06:19,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:06:19,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408975691] [2024-11-08 18:06:19,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408975691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:19,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:06:19,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:06:19,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260443309] [2024-11-08 18:06:19,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:19,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:06:19,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:19,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:06:19,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:06:19,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1107 [2024-11-08 18:06:19,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 997 transitions, 2155 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:06:19,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:06:19,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1107 [2024-11-08 18:06:19,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand