./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.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_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/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_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/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_c771448e-4d98-4da4-8b7a-de3dffe561b7/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 af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:55:19,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:55:19,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:55:19,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:55:19,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:55:19,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:55:19,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:55:19,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:55:19,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:55:19,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:55:19,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:55:19,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:55:19,747 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:55:19,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:55:19,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:55:19,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:55:19,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:55:19,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:55:19,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:55:19,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:55:19,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:55:19,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:55:19,759 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:55:19,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:55:19,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:55:19,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:55:19,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:55:19,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:55:19,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:55:19,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:55:19,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:55:19,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:55:19,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:55:19,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:55:19,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:55:19,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:55:19,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:55:19,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:55:19,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:55:19,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:55:19,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:55:19,793 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_c771448e-4d98-4da4-8b7a-de3dffe561b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2024-11-08 16:55:20,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:55:20,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:55:20,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:55:20,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:55:20,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:55:20,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c Unable to find full path for "g++" [2024-11-08 16:55:22,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:55:23,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:55:23,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-08 16:55:23,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/data/22ba3a27f/5fd85ea3d4ee4a969dce5270e7a1e19b/FLAG816d80f4a [2024-11-08 16:55:23,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/data/22ba3a27f/5fd85ea3d4ee4a969dce5270e7a1e19b [2024-11-08 16:55:23,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:55:23,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:55:23,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:55:23,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:55:23,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:55:23,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:23,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2a46cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23, skipping insertion in model container [2024-11-08 16:55:23,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:23,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:55:23,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:55:23,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:55:23,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:55:23,969 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:55:23,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23 WrapperNode [2024-11-08 16:55:23,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:55:23,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:55:23,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:55:23,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:55:23,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,029 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-08 16:55:24,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:55:24,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:55:24,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:55:24,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:55:24,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:55:24,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:55:24,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:55:24,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:55:24,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (1/1) ... [2024-11-08 16:55:24,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:55:24,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:55:24,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:55:24,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:55:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:55:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 16:55:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 16:55:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 16:55:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 16:55:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 16:55:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 16:55:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 16:55:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 16:55:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:55:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:55:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:55:24,299 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 16:55:24,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:55:24,460 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:55:25,398 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:55:25,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:55:25,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:55:25,464 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 16:55:25,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:55:25 BoogieIcfgContainer [2024-11-08 16:55:25,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:55:25,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:55:25,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:55:25,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:55:25,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:55:23" (1/3) ... [2024-11-08 16:55:25,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18791aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:55:25, skipping insertion in model container [2024-11-08 16:55:25,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:55:23" (2/3) ... [2024-11-08 16:55:25,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18791aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:55:25, skipping insertion in model container [2024-11-08 16:55:25,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:55:25" (3/3) ... [2024-11-08 16:55:25,483 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2024-11-08 16:55:25,512 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:55:25,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 107 error locations. [2024-11-08 16:55:25,513 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:55:25,762 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-08 16:55:25,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 546 places, 547 transitions, 1122 flow [2024-11-08 16:55:26,170 INFO L124 PetriNetUnfolderBase]: 14/543 cut-off events. [2024-11-08 16:55:26,171 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 16:55:26,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 543 events. 14/543 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1773 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 413. Up to 2 conditions per place. [2024-11-08 16:55:26,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 546 places, 547 transitions, 1122 flow [2024-11-08 16:55:26,217 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 524 places, 523 transitions, 1070 flow [2024-11-08 16:55:26,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:55:26,237 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;@398f12c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:55:26,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 203 error locations. [2024-11-08 16:55:26,242 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:55:26,243 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-08 16:55:26,243 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:55:26,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:26,244 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] [2024-11-08 16:55:26,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:26,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:26,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2062804964, now seen corresponding path program 1 times [2024-11-08 16:55:26,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:26,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185332413] [2024-11-08 16:55:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:26,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:26,550 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 16:55:26,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:26,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185332413] [2024-11-08 16:55:26,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185332413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:26,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:26,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011102280] [2024-11-08 16:55:26,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:26,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:26,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:26,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:26,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:26,871 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-08 16:55:26,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 523 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 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 16:55:26,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:26,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-08 16:55:26,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:27,502 INFO L124 PetriNetUnfolderBase]: 76/868 cut-off events. [2024-11-08 16:55:27,502 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-08 16:55:27,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 868 events. 76/868 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4787 event pairs, 66 based on Foata normal form. 145/825 useless extension candidates. Maximal degree in co-relation 1049. Up to 172 conditions per place. [2024-11-08 16:55:27,557 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 36 selfloop transitions, 2 changer transitions 1/517 dead transitions. [2024-11-08 16:55:27,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 517 transitions, 1134 flow [2024-11-08 16:55:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1544 transitions. [2024-11-08 16:55:27,590 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408897014015845 [2024-11-08 16:55:27,593 INFO L175 Difference]: Start difference. First operand has 524 places, 523 transitions, 1070 flow. Second operand 3 states and 1544 transitions. [2024-11-08 16:55:27,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 517 transitions, 1134 flow [2024-11-08 16:55:27,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 517 transitions, 1118 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-08 16:55:27,621 INFO L231 Difference]: Finished difference. Result has 517 places, 516 transitions, 1044 flow [2024-11-08 16:55:27,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=517, PETRI_TRANSITIONS=516} [2024-11-08 16:55:27,634 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -7 predicate places. [2024-11-08 16:55:27,634 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 516 transitions, 1044 flow [2024-11-08 16:55:27,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 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 16:55:27,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:27,636 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] [2024-11-08 16:55:27,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:55:27,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:27,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:27,639 INFO L85 PathProgramCache]: Analyzing trace with hash -674473815, now seen corresponding path program 1 times [2024-11-08 16:55:27,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:27,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029658023] [2024-11-08 16:55:27,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:27,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:27,752 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 16:55:27,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:27,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029658023] [2024-11-08 16:55:27,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029658023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:27,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:27,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:27,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139170654] [2024-11-08 16:55:27,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:27,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:27,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:27,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:27,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:28,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-08 16:55:28,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 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 16:55:28,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:28,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-08 16:55:28,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:28,548 INFO L124 PetriNetUnfolderBase]: 76/866 cut-off events. [2024-11-08 16:55:28,549 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-08 16:55:28,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 866 events. 76/866 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4868 event pairs, 66 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1061. Up to 171 conditions per place. [2024-11-08 16:55:28,611 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2024-11-08 16:55:28,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 515 transitions, 1116 flow [2024-11-08 16:55:28,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-08 16:55:28,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-08 16:55:28,617 INFO L175 Difference]: Start difference. First operand has 517 places, 516 transitions, 1044 flow. Second operand 3 states and 1541 transitions. [2024-11-08 16:55:28,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 515 transitions, 1116 flow [2024-11-08 16:55:28,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 515 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:28,715 INFO L231 Difference]: Finished difference. Result has 515 places, 515 transitions, 1042 flow [2024-11-08 16:55:28,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=515, PETRI_TRANSITIONS=515} [2024-11-08 16:55:28,717 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -9 predicate places. [2024-11-08 16:55:28,718 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 515 transitions, 1042 flow [2024-11-08 16:55:28,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 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 16:55:28,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:28,720 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] [2024-11-08 16:55:28,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:55:28,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:28,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:28,721 INFO L85 PathProgramCache]: Analyzing trace with hash 868274352, now seen corresponding path program 1 times [2024-11-08 16:55:28,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:28,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238063046] [2024-11-08 16:55:28,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:28,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:28,784 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 16:55:28,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:28,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238063046] [2024-11-08 16:55:28,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238063046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:28,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:28,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:28,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602132748] [2024-11-08 16:55:28,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:28,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:28,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:28,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:28,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:29,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-08 16:55:29,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 515 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 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 16:55:29,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:29,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-08 16:55:29,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:29,532 INFO L124 PetriNetUnfolderBase]: 76/793 cut-off events. [2024-11-08 16:55:29,533 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-08 16:55:29,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 793 events. 76/793 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4239 event pairs, 66 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 960. Up to 172 conditions per place. [2024-11-08 16:55:29,581 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/514 dead transitions. [2024-11-08 16:55:29,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 514 transitions, 1116 flow [2024-11-08 16:55:29,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1539 transitions. [2024-11-08 16:55:29,586 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9378427787934186 [2024-11-08 16:55:29,586 INFO L175 Difference]: Start difference. First operand has 515 places, 515 transitions, 1042 flow. Second operand 3 states and 1539 transitions. [2024-11-08 16:55:29,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 514 transitions, 1116 flow [2024-11-08 16:55:29,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 514 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:29,598 INFO L231 Difference]: Finished difference. Result has 514 places, 514 transitions, 1040 flow [2024-11-08 16:55:29,600 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=514, PETRI_TRANSITIONS=514} [2024-11-08 16:55:29,601 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -10 predicate places. [2024-11-08 16:55:29,601 INFO L471 AbstractCegarLoop]: Abstraction has has 514 places, 514 transitions, 1040 flow [2024-11-08 16:55:29,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 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 16:55:29,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:29,604 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] [2024-11-08 16:55:29,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:55:29,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:29,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:29,605 INFO L85 PathProgramCache]: Analyzing trace with hash 248135109, now seen corresponding path program 1 times [2024-11-08 16:55:29,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:29,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178074480] [2024-11-08 16:55:29,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:29,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:29,675 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 16:55:29,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:29,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178074480] [2024-11-08 16:55:29,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178074480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:29,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:29,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:29,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633293413] [2024-11-08 16:55:29,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:29,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:29,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:29,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:29,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:29,891 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-08 16:55:29,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 514 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 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 16:55:29,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:29,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-08 16:55:29,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:30,332 INFO L124 PetriNetUnfolderBase]: 76/720 cut-off events. [2024-11-08 16:55:30,332 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-08 16:55:30,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 720 events. 76/720 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3551 event pairs, 66 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 857. Up to 171 conditions per place. [2024-11-08 16:55:30,375 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/513 dead transitions. [2024-11-08 16:55:30,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 513 transitions, 1112 flow [2024-11-08 16:55:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-08 16:55:30,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-08 16:55:30,383 INFO L175 Difference]: Start difference. First operand has 514 places, 514 transitions, 1040 flow. Second operand 3 states and 1541 transitions. [2024-11-08 16:55:30,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 513 transitions, 1112 flow [2024-11-08 16:55:30,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 513 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:30,405 INFO L231 Difference]: Finished difference. Result has 513 places, 513 transitions, 1038 flow [2024-11-08 16:55:30,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=513, PETRI_TRANSITIONS=513} [2024-11-08 16:55:30,407 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -11 predicate places. [2024-11-08 16:55:30,408 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 513 transitions, 1038 flow [2024-11-08 16:55:30,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 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 16:55:30,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:30,411 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] [2024-11-08 16:55:30,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:55:30,415 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:30,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash -418094827, now seen corresponding path program 1 times [2024-11-08 16:55:30,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:30,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825412751] [2024-11-08 16:55:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:30,536 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 16:55:30,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:30,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825412751] [2024-11-08 16:55:30,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825412751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:30,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:30,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:30,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345961574] [2024-11-08 16:55:30,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:30,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:30,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:30,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:30,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:30,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 547 [2024-11-08 16:55:30,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 513 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 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 16:55:30,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:30,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 547 [2024-11-08 16:55:30,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:31,955 INFO L124 PetriNetUnfolderBase]: 102/3430 cut-off events. [2024-11-08 16:55:31,955 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-08 16:55:32,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3595 conditions, 3430 events. 102/3430 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 31105 event pairs, 51 based on Foata normal form. 0/2582 useless extension candidates. Maximal degree in co-relation 3544. Up to 144 conditions per place. [2024-11-08 16:55:32,226 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 15 selfloop transitions, 2 changer transitions 0/512 dead transitions. [2024-11-08 16:55:32,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 512 transitions, 1070 flow [2024-11-08 16:55:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1581 transitions. [2024-11-08 16:55:32,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9634369287020109 [2024-11-08 16:55:32,231 INFO L175 Difference]: Start difference. First operand has 513 places, 513 transitions, 1038 flow. Second operand 3 states and 1581 transitions. [2024-11-08 16:55:32,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 512 transitions, 1070 flow [2024-11-08 16:55:32,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 512 transitions, 1066 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:32,243 INFO L231 Difference]: Finished difference. Result has 512 places, 512 transitions, 1036 flow [2024-11-08 16:55:32,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=512, PETRI_TRANSITIONS=512} [2024-11-08 16:55:32,248 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -12 predicate places. [2024-11-08 16:55:32,248 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 512 transitions, 1036 flow [2024-11-08 16:55:32,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 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 16:55:32,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:32,250 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] [2024-11-08 16:55:32,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:55:32,251 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:32,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:32,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1763594710, now seen corresponding path program 1 times [2024-11-08 16:55:32,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709809160] [2024-11-08 16:55:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:32,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:32,344 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 16:55:32,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:32,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709809160] [2024-11-08 16:55:32,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709809160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:32,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:32,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:32,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194132624] [2024-11-08 16:55:32,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:32,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:32,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:32,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:32,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-08 16:55:32,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 512 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 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 16:55:32,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:32,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-08 16:55:32,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:32,940 INFO L124 PetriNetUnfolderBase]: 121/846 cut-off events. [2024-11-08 16:55:32,940 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:55:32,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 846 events. 121/846 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4975 event pairs, 90 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 1186. Up to 228 conditions per place. [2024-11-08 16:55:32,989 INFO L140 encePairwiseOnDemand]: 514/547 looper letters, 41 selfloop transitions, 15 changer transitions 0/498 dead transitions. [2024-11-08 16:55:32,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 498 transitions, 1123 flow [2024-11-08 16:55:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1484 transitions. [2024-11-08 16:55:32,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9043266301035954 [2024-11-08 16:55:32,995 INFO L175 Difference]: Start difference. First operand has 512 places, 512 transitions, 1036 flow. Second operand 3 states and 1484 transitions. [2024-11-08 16:55:32,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 498 transitions, 1123 flow [2024-11-08 16:55:33,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 498 transitions, 1119 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:33,013 INFO L231 Difference]: Finished difference. Result has 495 places, 495 transitions, 1045 flow [2024-11-08 16:55:33,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=495} [2024-11-08 16:55:33,015 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -29 predicate places. [2024-11-08 16:55:33,015 INFO L471 AbstractCegarLoop]: Abstraction has has 495 places, 495 transitions, 1045 flow [2024-11-08 16:55:33,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 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 16:55:33,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:33,018 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] [2024-11-08 16:55:33,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:55:33,018 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:33,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:33,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1697602997, now seen corresponding path program 1 times [2024-11-08 16:55:33,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:33,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931212443] [2024-11-08 16:55:33,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:33,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:33,081 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 16:55:33,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:33,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931212443] [2024-11-08 16:55:33,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931212443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:33,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:33,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:33,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441525052] [2024-11-08 16:55:33,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:33,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:33,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:33,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:33,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:33,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-08 16:55:33,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 495 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 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 16:55:33,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:33,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-08 16:55:33,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:33,762 INFO L124 PetriNetUnfolderBase]: 121/830 cut-off events. [2024-11-08 16:55:33,762 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-08 16:55:33,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 830 events. 121/830 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4943 event pairs, 90 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 1066. Up to 226 conditions per place. [2024-11-08 16:55:33,815 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 39 selfloop transitions, 15 changer transitions 0/482 dead transitions. [2024-11-08 16:55:33,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 482 transitions, 1130 flow [2024-11-08 16:55:33,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1490 transitions. [2024-11-08 16:55:33,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079829372333943 [2024-11-08 16:55:33,821 INFO L175 Difference]: Start difference. First operand has 495 places, 495 transitions, 1045 flow. Second operand 3 states and 1490 transitions. [2024-11-08 16:55:33,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 482 transitions, 1130 flow [2024-11-08 16:55:33,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 482 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:55:33,833 INFO L231 Difference]: Finished difference. Result has 480 places, 479 transitions, 1045 flow [2024-11-08 16:55:33,834 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=480, PETRI_TRANSITIONS=479} [2024-11-08 16:55:33,835 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -44 predicate places. [2024-11-08 16:55:33,836 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 479 transitions, 1045 flow [2024-11-08 16:55:33,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 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 16:55:33,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:33,838 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] [2024-11-08 16:55:33,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:55:33,838 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:33,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash 77233999, now seen corresponding path program 1 times [2024-11-08 16:55:33,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:33,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254716720] [2024-11-08 16:55:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:33,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:33,921 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 16:55:33,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:33,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254716720] [2024-11-08 16:55:33,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254716720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:33,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:33,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:33,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827260959] [2024-11-08 16:55:33,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:33,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:33,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:34,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-08 16:55:34,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 479 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 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 16:55:34,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:34,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-08 16:55:34,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:34,758 INFO L124 PetriNetUnfolderBase]: 128/1092 cut-off events. [2024-11-08 16:55:34,758 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-08 16:55:34,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1092 events. 128/1092 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6927 event pairs, 21 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1271. Up to 232 conditions per place. [2024-11-08 16:55:34,824 INFO L140 encePairwiseOnDemand]: 513/547 looper letters, 44 selfloop transitions, 16 changer transitions 0/469 dead transitions. [2024-11-08 16:55:34,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 469 transitions, 1151 flow [2024-11-08 16:55:34,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1488 transitions. [2024-11-08 16:55:34,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.906764168190128 [2024-11-08 16:55:34,831 INFO L175 Difference]: Start difference. First operand has 480 places, 479 transitions, 1045 flow. Second operand 3 states and 1488 transitions. [2024-11-08 16:55:34,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 469 transitions, 1151 flow [2024-11-08 16:55:34,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 469 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:55:34,847 INFO L231 Difference]: Finished difference. Result has 464 places, 463 transitions, 1050 flow [2024-11-08 16:55:34,848 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=464, PETRI_TRANSITIONS=463} [2024-11-08 16:55:34,849 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -60 predicate places. [2024-11-08 16:55:34,850 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 463 transitions, 1050 flow [2024-11-08 16:55:34,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 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 16:55:34,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:34,852 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] [2024-11-08 16:55:34,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:55:34,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:34,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:34,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1207465353, now seen corresponding path program 1 times [2024-11-08 16:55:34,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:34,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819925700] [2024-11-08 16:55:34,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:34,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:34,961 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 16:55:34,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:34,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819925700] [2024-11-08 16:55:34,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819925700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:34,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:34,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:55:34,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373596631] [2024-11-08 16:55:34,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:34,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:55:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:34,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:55:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:55:35,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 547 [2024-11-08 16:55:35,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 463 transitions, 1050 flow. Second operand has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 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 16:55:35,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:35,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 547 [2024-11-08 16:55:35,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:35,458 INFO L124 PetriNetUnfolderBase]: 12/791 cut-off events. [2024-11-08 16:55:35,458 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-08 16:55:35,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 791 events. 12/791 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3592 event pairs, 0 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 657. Up to 26 conditions per place. [2024-11-08 16:55:35,489 INFO L140 encePairwiseOnDemand]: 541/547 looper letters, 19 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-08 16:55:35,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 468 transitions, 1108 flow [2024-11-08 16:55:35,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:55:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 16:55:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2625 transitions. [2024-11-08 16:55:35,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597806215722121 [2024-11-08 16:55:35,499 INFO L175 Difference]: Start difference. First operand has 464 places, 463 transitions, 1050 flow. Second operand 5 states and 2625 transitions. [2024-11-08 16:55:35,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 468 transitions, 1108 flow [2024-11-08 16:55:35,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 468 transitions, 1092 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:55:35,516 INFO L231 Difference]: Finished difference. Result has 471 places, 467 transitions, 1072 flow [2024-11-08 16:55:35,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1072, PETRI_PLACES=471, PETRI_TRANSITIONS=467} [2024-11-08 16:55:35,518 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -53 predicate places. [2024-11-08 16:55:35,518 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 467 transitions, 1072 flow [2024-11-08 16:55:35,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 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 16:55:35,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:35,521 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] [2024-11-08 16:55:35,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:55:35,522 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:35,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:35,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1453364147, now seen corresponding path program 1 times [2024-11-08 16:55:35,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:35,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576182716] [2024-11-08 16:55:35,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:35,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:35,582 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 16:55:35,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:35,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576182716] [2024-11-08 16:55:35,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576182716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:35,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:35,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:35,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381212864] [2024-11-08 16:55:35,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:35,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:35,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:35,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:35,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:35,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-08 16:55:35,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 467 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 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 16:55:35,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:35,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-08 16:55:35,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:36,455 INFO L124 PetriNetUnfolderBase]: 208/1557 cut-off events. [2024-11-08 16:55:36,456 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-08 16:55:36,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1557 events. 208/1557 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11508 event pairs, 35 based on Foata normal form. 1/1441 useless extension candidates. Maximal degree in co-relation 1733. Up to 380 conditions per place. [2024-11-08 16:55:36,507 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 40 selfloop transitions, 15 changer transitions 10/458 dead transitions. [2024-11-08 16:55:36,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 458 transitions, 1175 flow [2024-11-08 16:55:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1493 transitions. [2024-11-08 16:55:36,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098110907982937 [2024-11-08 16:55:36,514 INFO L175 Difference]: Start difference. First operand has 471 places, 467 transitions, 1072 flow. Second operand 3 states and 1493 transitions. [2024-11-08 16:55:36,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 458 transitions, 1175 flow [2024-11-08 16:55:36,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 458 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:55:36,526 INFO L231 Difference]: Finished difference. Result has 457 places, 441 transitions, 1066 flow [2024-11-08 16:55:36,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=457, PETRI_TRANSITIONS=441} [2024-11-08 16:55:36,529 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -67 predicate places. [2024-11-08 16:55:36,530 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 441 transitions, 1066 flow [2024-11-08 16:55:36,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 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 16:55:36,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:36,532 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] [2024-11-08 16:55:36,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:55:36,533 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:36,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash -385498238, now seen corresponding path program 1 times [2024-11-08 16:55:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:36,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341752153] [2024-11-08 16:55:36,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:36,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:36,618 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 16:55:36,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:36,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341752153] [2024-11-08 16:55:36,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341752153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:36,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:36,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054343398] [2024-11-08 16:55:36,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:36,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:36,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:36,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:36,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:36,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 547 [2024-11-08 16:55:36,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 441 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 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 16:55:36,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:36,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 547 [2024-11-08 16:55:36,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:40,842 INFO L124 PetriNetUnfolderBase]: 751/14488 cut-off events. [2024-11-08 16:55:40,842 INFO L125 PetriNetUnfolderBase]: For 439/439 co-relation queries the response was YES. [2024-11-08 16:55:41,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18474 conditions, 14488 events. 751/14488 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 189589 event pairs, 349 based on Foata normal form. 0/12925 useless extension candidates. Maximal degree in co-relation 14026. Up to 1015 conditions per place. [2024-11-08 16:55:41,300 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 19 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2024-11-08 16:55:41,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 444 transitions, 1121 flow [2024-11-08 16:55:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1584 transitions. [2024-11-08 16:55:41,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652650822669104 [2024-11-08 16:55:41,305 INFO L175 Difference]: Start difference. First operand has 457 places, 441 transitions, 1066 flow. Second operand 3 states and 1584 transitions. [2024-11-08 16:55:41,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 444 transitions, 1121 flow [2024-11-08 16:55:41,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 444 transitions, 1106 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:55:41,326 INFO L231 Difference]: Finished difference. Result has 445 places, 441 transitions, 1071 flow [2024-11-08 16:55:41,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=441} [2024-11-08 16:55:41,328 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-08 16:55:41,329 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 441 transitions, 1071 flow [2024-11-08 16:55:41,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 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 16:55:41,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:41,331 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 16:55:41,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:55:41,331 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:41,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:41,332 INFO L85 PathProgramCache]: Analyzing trace with hash -587964857, now seen corresponding path program 1 times [2024-11-08 16:55:41,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:41,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487958217] [2024-11-08 16:55:41,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:41,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:41,387 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 16:55:41,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487958217] [2024-11-08 16:55:41,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487958217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:41,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:41,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:41,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219114994] [2024-11-08 16:55:41,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:41,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:41,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:41,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:41,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:41,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:55:41,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 441 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 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 16:55:41,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:41,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:55:41,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:43,023 INFO L124 PetriNetUnfolderBase]: 365/4355 cut-off events. [2024-11-08 16:55:43,023 INFO L125 PetriNetUnfolderBase]: For 167/179 co-relation queries the response was YES. [2024-11-08 16:55:43,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6095 conditions, 4355 events. 365/4355 cut-off events. For 167/179 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 42936 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 4185. Up to 528 conditions per place. [2024-11-08 16:55:43,147 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-08 16:55:43,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 443 transitions, 1156 flow [2024-11-08 16:55:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:55:43,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:55:43,152 INFO L175 Difference]: Start difference. First operand has 445 places, 441 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:55:43,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 443 transitions, 1156 flow [2024-11-08 16:55:43,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 1156 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:55:43,165 INFO L231 Difference]: Finished difference. Result has 446 places, 440 transitions, 1073 flow [2024-11-08 16:55:43,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=446, PETRI_TRANSITIONS=440} [2024-11-08 16:55:43,167 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -78 predicate places. [2024-11-08 16:55:43,167 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 440 transitions, 1073 flow [2024-11-08 16:55:43,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 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 16:55:43,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:43,169 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] [2024-11-08 16:55:43,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:55:43,170 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:43,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1723582339, now seen corresponding path program 1 times [2024-11-08 16:55:43,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:43,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511807903] [2024-11-08 16:55:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:43,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:43,230 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 16:55:43,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:43,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511807903] [2024-11-08 16:55:43,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511807903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:43,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:43,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:43,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377429482] [2024-11-08 16:55:43,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:43,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:43,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:43,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:43,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:55:43,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 440 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 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 16:55:43,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:43,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:55:43,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:45,842 INFO L124 PetriNetUnfolderBase]: 692/5707 cut-off events. [2024-11-08 16:55:45,843 INFO L125 PetriNetUnfolderBase]: For 586/594 co-relation queries the response was YES. [2024-11-08 16:55:45,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8572 conditions, 5707 events. 692/5707 cut-off events. For 586/594 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 60520 event pairs, 499 based on Foata normal form. 0/5179 useless extension candidates. Maximal degree in co-relation 8263. Up to 1234 conditions per place. [2024-11-08 16:55:46,024 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/442 dead transitions. [2024-11-08 16:55:46,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 442 transitions, 1156 flow [2024-11-08 16:55:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:55:46,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:55:46,029 INFO L175 Difference]: Start difference. First operand has 446 places, 440 transitions, 1073 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:55:46,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 442 transitions, 1156 flow [2024-11-08 16:55:46,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 442 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:46,046 INFO L231 Difference]: Finished difference. Result has 445 places, 439 transitions, 1071 flow [2024-11-08 16:55:46,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=439} [2024-11-08 16:55:46,048 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-08 16:55:46,048 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 439 transitions, 1071 flow [2024-11-08 16:55:46,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 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 16:55:46,050 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:46,050 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] [2024-11-08 16:55:46,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:55:46,051 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:46,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:46,052 INFO L85 PathProgramCache]: Analyzing trace with hash 17697582, now seen corresponding path program 1 times [2024-11-08 16:55:46,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:46,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218250981] [2024-11-08 16:55:46,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:46,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:46,197 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 16:55:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:46,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218250981] [2024-11-08 16:55:46,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218250981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:46,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:46,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:46,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406325756] [2024-11-08 16:55:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:46,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:46,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:46,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:55:46,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 439 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 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 16:55:46,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:46,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:55:46,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:48,003 INFO L124 PetriNetUnfolderBase]: 365/4331 cut-off events. [2024-11-08 16:55:48,003 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-08 16:55:48,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4331 events. 365/4331 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 42620 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5064. Up to 528 conditions per place. [2024-11-08 16:55:48,154 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2024-11-08 16:55:48,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 441 transitions, 1156 flow [2024-11-08 16:55:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:55:48,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:55:48,162 INFO L175 Difference]: Start difference. First operand has 445 places, 439 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:55:48,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 441 transitions, 1156 flow [2024-11-08 16:55:48,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 441 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:48,180 INFO L231 Difference]: Finished difference. Result has 444 places, 438 transitions, 1069 flow [2024-11-08 16:55:48,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=444, PETRI_TRANSITIONS=438} [2024-11-08 16:55:48,182 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -80 predicate places. [2024-11-08 16:55:48,183 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 438 transitions, 1069 flow [2024-11-08 16:55:48,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 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 16:55:48,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:48,185 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] [2024-11-08 16:55:48,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:55:48,186 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:48,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash 818945478, now seen corresponding path program 1 times [2024-11-08 16:55:48,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:48,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626833029] [2024-11-08 16:55:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:48,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:48,273 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 16:55:48,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:48,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626833029] [2024-11-08 16:55:48,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626833029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:48,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:48,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:48,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838496915] [2024-11-08 16:55:48,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:48,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:48,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:48,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:55:48,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 438 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 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 16:55:48,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:48,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:55:48,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:50,146 INFO L124 PetriNetUnfolderBase]: 462/4380 cut-off events. [2024-11-08 16:55:50,147 INFO L125 PetriNetUnfolderBase]: For 486/489 co-relation queries the response was YES. [2024-11-08 16:55:50,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6408 conditions, 4380 events. 462/4380 cut-off events. For 486/489 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 43359 event pairs, 314 based on Foata normal form. 0/3978 useless extension candidates. Maximal degree in co-relation 6149. Up to 876 conditions per place. [2024-11-08 16:55:50,270 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2024-11-08 16:55:50,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 440 transitions, 1156 flow [2024-11-08 16:55:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:55:50,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:55:50,274 INFO L175 Difference]: Start difference. First operand has 444 places, 438 transitions, 1069 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:55:50,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 440 transitions, 1156 flow [2024-11-08 16:55:50,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 440 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:50,285 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 1067 flow [2024-11-08 16:55:50,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1067, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2024-11-08 16:55:50,286 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -81 predicate places. [2024-11-08 16:55:50,287 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 1067 flow [2024-11-08 16:55:50,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 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 16:55:50,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:50,288 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] [2024-11-08 16:55:50,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:55:50,289 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:50,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:50,289 INFO L85 PathProgramCache]: Analyzing trace with hash -852943336, now seen corresponding path program 1 times [2024-11-08 16:55:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374751325] [2024-11-08 16:55:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:50,345 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 16:55:50,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:50,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374751325] [2024-11-08 16:55:50,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374751325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:50,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977935745] [2024-11-08 16:55:50,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:50,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:50,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:50,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:50,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:50,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:55:50,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 1067 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 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 16:55:50,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:50,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:55:50,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:52,940 INFO L124 PetriNetUnfolderBase]: 704/5883 cut-off events. [2024-11-08 16:55:52,940 INFO L125 PetriNetUnfolderBase]: For 596/602 co-relation queries the response was YES. [2024-11-08 16:55:53,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8826 conditions, 5883 events. 704/5883 cut-off events. For 596/602 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 62459 event pairs, 499 based on Foata normal form. 0/5374 useless extension candidates. Maximal degree in co-relation 7549. Up to 1234 conditions per place. [2024-11-08 16:55:53,082 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2024-11-08 16:55:53,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 439 transitions, 1150 flow [2024-11-08 16:55:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:55:53,086 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:55:53,087 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 1067 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:55:53,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 439 transitions, 1150 flow [2024-11-08 16:55:53,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 439 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:53,099 INFO L231 Difference]: Finished difference. Result has 442 places, 436 transitions, 1065 flow [2024-11-08 16:55:53,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1065, PETRI_PLACES=442, PETRI_TRANSITIONS=436} [2024-11-08 16:55:53,100 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -82 predicate places. [2024-11-08 16:55:53,100 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 436 transitions, 1065 flow [2024-11-08 16:55:53,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 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 16:55:53,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:53,102 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] [2024-11-08 16:55:53,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:55:53,103 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:53,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:53,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1861096397, now seen corresponding path program 1 times [2024-11-08 16:55:53,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:53,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394728187] [2024-11-08 16:55:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:53,148 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 16:55:53,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:53,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394728187] [2024-11-08 16:55:53,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394728187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:53,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:53,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:53,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751852670] [2024-11-08 16:55:53,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:53,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:53,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:53,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:53,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:53,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:55:53,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 436 transitions, 1065 flow. Second operand has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 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 16:55:53,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:53,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:55:53,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:54,583 INFO L124 PetriNetUnfolderBase]: 365/4293 cut-off events. [2024-11-08 16:55:54,583 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-08 16:55:54,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6058 conditions, 4293 events. 365/4293 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 42144 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5170. Up to 528 conditions per place. [2024-11-08 16:55:54,731 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/438 dead transitions. [2024-11-08 16:55:54,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 438 transitions, 1150 flow [2024-11-08 16:55:54,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:55:54,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:55:54,740 INFO L175 Difference]: Start difference. First operand has 442 places, 436 transitions, 1065 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:55:54,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 438 transitions, 1150 flow [2024-11-08 16:55:54,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 438 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:54,755 INFO L231 Difference]: Finished difference. Result has 441 places, 435 transitions, 1063 flow [2024-11-08 16:55:54,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=441, PETRI_TRANSITIONS=435} [2024-11-08 16:55:54,758 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -83 predicate places. [2024-11-08 16:55:54,758 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 435 transitions, 1063 flow [2024-11-08 16:55:54,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 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 16:55:54,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:54,760 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] [2024-11-08 16:55:54,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:55:54,760 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:54,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:54,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1956821821, now seen corresponding path program 1 times [2024-11-08 16:55:54,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:54,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853074430] [2024-11-08 16:55:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:54,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:54,827 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 16:55:54,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:54,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853074430] [2024-11-08 16:55:54,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853074430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:54,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:54,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:54,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505931023] [2024-11-08 16:55:54,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:54,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:54,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:54,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:54,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:54,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:55:54,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 435 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 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 16:55:54,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:54,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:55:54,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:56,106 INFO L124 PetriNetUnfolderBase]: 235/3323 cut-off events. [2024-11-08 16:55:56,106 INFO L125 PetriNetUnfolderBase]: For 288/295 co-relation queries the response was YES. [2024-11-08 16:55:56,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4516 conditions, 3323 events. 235/3323 cut-off events. For 288/295 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 30235 event pairs, 129 based on Foata normal form. 1/3031 useless extension candidates. Maximal degree in co-relation 4301. Up to 412 conditions per place. [2024-11-08 16:55:56,152 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/437 dead transitions. [2024-11-08 16:55:56,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 437 transitions, 1146 flow [2024-11-08 16:55:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:55:56,156 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:55:56,156 INFO L175 Difference]: Start difference. First operand has 441 places, 435 transitions, 1063 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:55:56,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 437 transitions, 1146 flow [2024-11-08 16:55:56,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 437 transitions, 1142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:56,167 INFO L231 Difference]: Finished difference. Result has 440 places, 434 transitions, 1061 flow [2024-11-08 16:55:56,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=440, PETRI_TRANSITIONS=434} [2024-11-08 16:55:56,168 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -84 predicate places. [2024-11-08 16:55:56,168 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 1061 flow [2024-11-08 16:55:56,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 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 16:55:56,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:56,169 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] [2024-11-08 16:55:56,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:55:56,170 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:56,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash -354948273, now seen corresponding path program 1 times [2024-11-08 16:55:56,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:56,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226011089] [2024-11-08 16:55:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:56,223 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 16:55:56,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:56,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226011089] [2024-11-08 16:55:56,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226011089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:56,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:56,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:56,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174379535] [2024-11-08 16:55:56,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:56,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:56,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:56,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:56,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:56,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:55:56,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 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 16:55:56,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:56,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:55:56,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:57,640 INFO L124 PetriNetUnfolderBase]: 462/4320 cut-off events. [2024-11-08 16:55:57,640 INFO L125 PetriNetUnfolderBase]: For 488/491 co-relation queries the response was YES. [2024-11-08 16:55:57,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6358 conditions, 4320 events. 462/4320 cut-off events. For 488/491 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 42481 event pairs, 314 based on Foata normal form. 0/3966 useless extension candidates. Maximal degree in co-relation 5668. Up to 876 conditions per place. [2024-11-08 16:55:57,731 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2024-11-08 16:55:57,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 1148 flow [2024-11-08 16:55:57,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:55:57,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:55:57,736 INFO L175 Difference]: Start difference. First operand has 440 places, 434 transitions, 1061 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:55:57,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 1148 flow [2024-11-08 16:55:57,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 436 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:57,748 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 1059 flow [2024-11-08 16:55:57,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2024-11-08 16:55:57,750 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -85 predicate places. [2024-11-08 16:55:57,750 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 1059 flow [2024-11-08 16:55:57,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 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 16:55:57,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:57,751 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 16:55:57,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:55:57,752 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:57,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:57,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1239133975, now seen corresponding path program 1 times [2024-11-08 16:55:57,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:57,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967292627] [2024-11-08 16:55:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:57,804 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 16:55:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967292627] [2024-11-08 16:55:57,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967292627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:57,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:57,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014980857] [2024-11-08 16:55:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:57,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:57,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:55:57,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:55:57,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 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 16:55:57,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:55:57,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:55:57,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:55:59,702 INFO L124 PetriNetUnfolderBase]: 716/6040 cut-off events. [2024-11-08 16:55:59,702 INFO L125 PetriNetUnfolderBase]: For 596/602 co-relation queries the response was YES. [2024-11-08 16:55:59,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9037 conditions, 6040 events. 716/6040 cut-off events. For 596/602 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 63795 event pairs, 499 based on Foata normal form. 0/5569 useless extension candidates. Maximal degree in co-relation 7934. Up to 1234 conditions per place. [2024-11-08 16:55:59,898 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2024-11-08 16:55:59,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 435 transitions, 1142 flow [2024-11-08 16:55:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:55:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:55:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:55:59,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:55:59,903 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 1059 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:55:59,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 435 transitions, 1142 flow [2024-11-08 16:55:59,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 435 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:55:59,916 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 1057 flow [2024-11-08 16:55:59,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2024-11-08 16:55:59,917 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -86 predicate places. [2024-11-08 16:55:59,918 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 1057 flow [2024-11-08 16:55:59,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 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 16:55:59,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:55:59,919 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] [2024-11-08 16:55:59,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:55:59,919 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:55:59,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:59,920 INFO L85 PathProgramCache]: Analyzing trace with hash 134306522, now seen corresponding path program 1 times [2024-11-08 16:55:59,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:59,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172497525] [2024-11-08 16:55:59,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:59,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:59,971 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 16:55:59,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:59,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172497525] [2024-11-08 16:55:59,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172497525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:55:59,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:55:59,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:55:59,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827974009] [2024-11-08 16:55:59,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:55:59,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:55:59,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:59,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:55:59,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:00,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:00,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 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 16:56:00,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:00,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:00,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:01,329 INFO L124 PetriNetUnfolderBase]: 365/4245 cut-off events. [2024-11-08 16:56:01,330 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-08 16:56:01,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6010 conditions, 4245 events. 365/4245 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 41487 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5266. Up to 528 conditions per place. [2024-11-08 16:56:01,438 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2024-11-08 16:56:01,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1142 flow [2024-11-08 16:56:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:01,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:01,442 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 1057 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:01,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1142 flow [2024-11-08 16:56:01,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 434 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:01,455 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 1055 flow [2024-11-08 16:56:01,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2024-11-08 16:56:01,457 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -87 predicate places. [2024-11-08 16:56:01,457 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 1055 flow [2024-11-08 16:56:01,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 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 16:56:01,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:01,459 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] [2024-11-08 16:56:01,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:56:01,459 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:01,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2147344046, now seen corresponding path program 1 times [2024-11-08 16:56:01,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:01,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228591896] [2024-11-08 16:56:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:01,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:01,507 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 16:56:01,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228591896] [2024-11-08 16:56:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228591896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:01,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:01,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:01,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145921785] [2024-11-08 16:56:01,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:01,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:01,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:01,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:01,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:01,650 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:01,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 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 16:56:01,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:01,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:01,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:02,723 INFO L124 PetriNetUnfolderBase]: 235/3321 cut-off events. [2024-11-08 16:56:02,724 INFO L125 PetriNetUnfolderBase]: For 288/292 co-relation queries the response was YES. [2024-11-08 16:56:02,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4514 conditions, 3321 events. 235/3321 cut-off events. For 288/292 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 30036 event pairs, 129 based on Foata normal form. 0/3060 useless extension candidates. Maximal degree in co-relation 4335. Up to 412 conditions per place. [2024-11-08 16:56:02,900 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2024-11-08 16:56:02,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 433 transitions, 1138 flow [2024-11-08 16:56:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:02,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:02,917 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 1055 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:02,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 433 transitions, 1138 flow [2024-11-08 16:56:02,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 433 transitions, 1134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:02,942 INFO L231 Difference]: Finished difference. Result has 436 places, 430 transitions, 1053 flow [2024-11-08 16:56:02,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=436, PETRI_TRANSITIONS=430} [2024-11-08 16:56:02,944 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -88 predicate places. [2024-11-08 16:56:02,944 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 430 transitions, 1053 flow [2024-11-08 16:56:02,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 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 16:56:02,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:02,946 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] [2024-11-08 16:56:02,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:56:02,946 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:02,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:02,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1967866354, now seen corresponding path program 1 times [2024-11-08 16:56:02,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:02,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588532495] [2024-11-08 16:56:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:03,016 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 16:56:03,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:03,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588532495] [2024-11-08 16:56:03,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588532495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:03,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:03,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:03,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980466198] [2024-11-08 16:56:03,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:03,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:03,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:03,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:03,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:03,198 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:03,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 430 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 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 16:56:03,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:03,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:03,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:04,650 INFO L124 PetriNetUnfolderBase]: 462/4260 cut-off events. [2024-11-08 16:56:04,650 INFO L125 PetriNetUnfolderBase]: For 485/488 co-relation queries the response was YES. [2024-11-08 16:56:04,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6298 conditions, 4260 events. 462/4260 cut-off events. For 485/488 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 41687 event pairs, 314 based on Foata normal form. 0/3954 useless extension candidates. Maximal degree in co-relation 5704. Up to 876 conditions per place. [2024-11-08 16:56:04,823 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2024-11-08 16:56:04,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 432 transitions, 1140 flow [2024-11-08 16:56:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:04,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:04,827 INFO L175 Difference]: Start difference. First operand has 436 places, 430 transitions, 1053 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:04,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 432 transitions, 1140 flow [2024-11-08 16:56:04,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 432 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:04,843 INFO L231 Difference]: Finished difference. Result has 435 places, 429 transitions, 1051 flow [2024-11-08 16:56:04,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=435, PETRI_TRANSITIONS=429} [2024-11-08 16:56:04,845 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -89 predicate places. [2024-11-08 16:56:04,845 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 429 transitions, 1051 flow [2024-11-08 16:56:04,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 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 16:56:04,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:04,847 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] [2024-11-08 16:56:04,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:56:04,847 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:04,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:04,848 INFO L85 PathProgramCache]: Analyzing trace with hash -515001532, now seen corresponding path program 1 times [2024-11-08 16:56:04,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:04,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284544147] [2024-11-08 16:56:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:04,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:04,909 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 16:56:04,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:04,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284544147] [2024-11-08 16:56:04,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284544147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:04,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:04,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:04,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210547134] [2024-11-08 16:56:04,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:04,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:04,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:04,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:04,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:05,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:05,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 429 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 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 16:56:05,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:05,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:05,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:07,127 INFO L124 PetriNetUnfolderBase]: 728/6191 cut-off events. [2024-11-08 16:56:07,127 INFO L125 PetriNetUnfolderBase]: For 596/602 co-relation queries the response was YES. [2024-11-08 16:56:07,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9242 conditions, 6191 events. 728/6191 cut-off events. For 596/602 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 65036 event pairs, 499 based on Foata normal form. 0/5764 useless extension candidates. Maximal degree in co-relation 8313. Up to 1234 conditions per place. [2024-11-08 16:56:07,351 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2024-11-08 16:56:07,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 431 transitions, 1134 flow [2024-11-08 16:56:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:07,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:07,355 INFO L175 Difference]: Start difference. First operand has 435 places, 429 transitions, 1051 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:07,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 431 transitions, 1134 flow [2024-11-08 16:56:07,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:07,366 INFO L231 Difference]: Finished difference. Result has 434 places, 428 transitions, 1049 flow [2024-11-08 16:56:07,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=434, PETRI_TRANSITIONS=428} [2024-11-08 16:56:07,367 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -90 predicate places. [2024-11-08 16:56:07,367 INFO L471 AbstractCegarLoop]: Abstraction has has 434 places, 428 transitions, 1049 flow [2024-11-08 16:56:07,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 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 16:56:07,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:07,368 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] [2024-11-08 16:56:07,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:56:07,368 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:07,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:07,369 INFO L85 PathProgramCache]: Analyzing trace with hash 976056863, now seen corresponding path program 1 times [2024-11-08 16:56:07,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:07,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940364773] [2024-11-08 16:56:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:07,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:07,436 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 16:56:07,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:07,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940364773] [2024-11-08 16:56:07,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940364773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:07,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:07,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:07,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110754235] [2024-11-08 16:56:07,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:07,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:07,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:07,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:07,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:07,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:07,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 428 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 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 16:56:07,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:07,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:07,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:08,745 INFO L124 PetriNetUnfolderBase]: 365/4197 cut-off events. [2024-11-08 16:56:08,745 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-08 16:56:08,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5962 conditions, 4197 events. 365/4197 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40779 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5362. Up to 528 conditions per place. [2024-11-08 16:56:08,868 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2024-11-08 16:56:08,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 430 transitions, 1134 flow [2024-11-08 16:56:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:08,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:08,873 INFO L175 Difference]: Start difference. First operand has 434 places, 428 transitions, 1049 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:08,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 430 transitions, 1134 flow [2024-11-08 16:56:08,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 430 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:08,889 INFO L231 Difference]: Finished difference. Result has 433 places, 427 transitions, 1047 flow [2024-11-08 16:56:08,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=433, PETRI_TRANSITIONS=427} [2024-11-08 16:56:08,890 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -91 predicate places. [2024-11-08 16:56:08,891 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 427 transitions, 1047 flow [2024-11-08 16:56:08,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 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 16:56:08,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:08,892 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] [2024-11-08 16:56:08,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:56:08,893 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:08,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:08,894 INFO L85 PathProgramCache]: Analyzing trace with hash 2010247087, now seen corresponding path program 1 times [2024-11-08 16:56:08,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:08,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224004032] [2024-11-08 16:56:08,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:08,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:08,969 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 16:56:08,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224004032] [2024-11-08 16:56:08,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224004032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:08,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:08,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:08,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601111545] [2024-11-08 16:56:08,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:08,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:08,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:08,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:08,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:09,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:09,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 427 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 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 16:56:09,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:09,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:09,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:10,283 INFO L124 PetriNetUnfolderBase]: 235/3277 cut-off events. [2024-11-08 16:56:10,283 INFO L125 PetriNetUnfolderBase]: For 287/291 co-relation queries the response was YES. [2024-11-08 16:56:10,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4470 conditions, 3277 events. 235/3277 cut-off events. For 287/291 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 29461 event pairs, 129 based on Foata normal form. 0/3054 useless extension candidates. Maximal degree in co-relation 4327. Up to 412 conditions per place. [2024-11-08 16:56:10,370 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2024-11-08 16:56:10,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 429 transitions, 1130 flow [2024-11-08 16:56:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:10,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:10,375 INFO L175 Difference]: Start difference. First operand has 433 places, 427 transitions, 1047 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:10,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 429 transitions, 1130 flow [2024-11-08 16:56:10,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 429 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:10,391 INFO L231 Difference]: Finished difference. Result has 432 places, 426 transitions, 1045 flow [2024-11-08 16:56:10,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=432, PETRI_TRANSITIONS=426} [2024-11-08 16:56:10,393 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -92 predicate places. [2024-11-08 16:56:10,393 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 426 transitions, 1045 flow [2024-11-08 16:56:10,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 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 16:56:10,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:10,395 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] [2024-11-08 16:56:10,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 16:56:10,395 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:10,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1800229701, now seen corresponding path program 1 times [2024-11-08 16:56:10,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:10,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399724758] [2024-11-08 16:56:10,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:10,480 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 16:56:10,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:10,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399724758] [2024-11-08 16:56:10,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399724758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:10,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:10,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:10,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452562042] [2024-11-08 16:56:10,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:10,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:10,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:10,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:10,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:10,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:10,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 426 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 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 16:56:10,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:10,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:10,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:12,204 INFO L124 PetriNetUnfolderBase]: 462/4200 cut-off events. [2024-11-08 16:56:12,204 INFO L125 PetriNetUnfolderBase]: For 482/485 co-relation queries the response was YES. [2024-11-08 16:56:12,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6238 conditions, 4200 events. 462/4200 cut-off events. For 482/485 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 40725 event pairs, 314 based on Foata normal form. 0/3942 useless extension candidates. Maximal degree in co-relation 5740. Up to 876 conditions per place. [2024-11-08 16:56:12,373 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2024-11-08 16:56:12,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 428 transitions, 1132 flow [2024-11-08 16:56:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:12,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:12,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:12,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:12,378 INFO L175 Difference]: Start difference. First operand has 432 places, 426 transitions, 1045 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:12,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 428 transitions, 1132 flow [2024-11-08 16:56:12,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 428 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:12,389 INFO L231 Difference]: Finished difference. Result has 431 places, 425 transitions, 1043 flow [2024-11-08 16:56:12,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=431, PETRI_TRANSITIONS=425} [2024-11-08 16:56:12,391 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -93 predicate places. [2024-11-08 16:56:12,391 INFO L471 AbstractCegarLoop]: Abstraction has has 431 places, 425 transitions, 1043 flow [2024-11-08 16:56:12,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 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 16:56:12,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:12,392 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] [2024-11-08 16:56:12,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:56:12,393 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:12,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1989885611, now seen corresponding path program 1 times [2024-11-08 16:56:12,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:12,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219328543] [2024-11-08 16:56:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:12,465 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 16:56:12,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:12,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219328543] [2024-11-08 16:56:12,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219328543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:12,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:12,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:12,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981586917] [2024-11-08 16:56:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:12,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:12,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:12,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:12,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:12,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:12,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 425 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 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 16:56:12,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:12,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:12,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:15,282 INFO L124 PetriNetUnfolderBase]: 740/6336 cut-off events. [2024-11-08 16:56:15,283 INFO L125 PetriNetUnfolderBase]: For 596/602 co-relation queries the response was YES. [2024-11-08 16:56:15,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9441 conditions, 6336 events. 740/6336 cut-off events. For 596/602 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 65898 event pairs, 499 based on Foata normal form. 0/5962 useless extension candidates. Maximal degree in co-relation 8686. Up to 1234 conditions per place. [2024-11-08 16:56:15,601 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2024-11-08 16:56:15,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 427 transitions, 1126 flow [2024-11-08 16:56:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:15,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:15,607 INFO L175 Difference]: Start difference. First operand has 431 places, 425 transitions, 1043 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:15,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 427 transitions, 1126 flow [2024-11-08 16:56:15,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 427 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:15,626 INFO L231 Difference]: Finished difference. Result has 430 places, 424 transitions, 1041 flow [2024-11-08 16:56:15,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=430, PETRI_TRANSITIONS=424} [2024-11-08 16:56:15,628 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -94 predicate places. [2024-11-08 16:56:15,629 INFO L471 AbstractCegarLoop]: Abstraction has has 430 places, 424 transitions, 1041 flow [2024-11-08 16:56:15,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 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 16:56:15,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:15,630 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] [2024-11-08 16:56:15,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 16:56:15,631 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:15,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:15,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1943162234, now seen corresponding path program 1 times [2024-11-08 16:56:15,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:15,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896180032] [2024-11-08 16:56:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:15,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:15,712 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 16:56:15,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:15,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896180032] [2024-11-08 16:56:15,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896180032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:15,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:15,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:15,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070501728] [2024-11-08 16:56:15,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:15,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:15,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:15,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:15,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:15,917 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:15,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 424 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 0 states have call successors, (0), 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 16:56:15,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:15,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:15,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:17,378 INFO L124 PetriNetUnfolderBase]: 365/4149 cut-off events. [2024-11-08 16:56:17,378 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-08 16:56:17,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5914 conditions, 4149 events. 365/4149 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40109 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5458. Up to 528 conditions per place. [2024-11-08 16:56:17,524 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2024-11-08 16:56:17,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 426 transitions, 1126 flow [2024-11-08 16:56:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:17,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:17,528 INFO L175 Difference]: Start difference. First operand has 430 places, 424 transitions, 1041 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:17,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 426 transitions, 1126 flow [2024-11-08 16:56:17,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 426 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:17,541 INFO L231 Difference]: Finished difference. Result has 429 places, 423 transitions, 1039 flow [2024-11-08 16:56:17,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=429, PETRI_TRANSITIONS=423} [2024-11-08 16:56:17,543 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -95 predicate places. [2024-11-08 16:56:17,543 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 423 transitions, 1039 flow [2024-11-08 16:56:17,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 0 states have call successors, (0), 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 16:56:17,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:17,545 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] [2024-11-08 16:56:17,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:56:17,545 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:17,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash 307164158, now seen corresponding path program 1 times [2024-11-08 16:56:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:17,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894063609] [2024-11-08 16:56:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:17,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:17,619 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 16:56:17,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:17,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894063609] [2024-11-08 16:56:17,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894063609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:17,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:17,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:17,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195500376] [2024-11-08 16:56:17,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:17,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:17,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:17,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:17,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:17,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:17,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 423 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 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 16:56:17,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:17,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:17,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:19,132 INFO L124 PetriNetUnfolderBase]: 235/3233 cut-off events. [2024-11-08 16:56:19,133 INFO L125 PetriNetUnfolderBase]: For 287/291 co-relation queries the response was YES. [2024-11-08 16:56:19,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4426 conditions, 3233 events. 235/3233 cut-off events. For 287/291 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 28944 event pairs, 129 based on Foata normal form. 0/3048 useless extension candidates. Maximal degree in co-relation 4319. Up to 412 conditions per place. [2024-11-08 16:56:19,225 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2024-11-08 16:56:19,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 425 transitions, 1122 flow [2024-11-08 16:56:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:19,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:19,230 INFO L175 Difference]: Start difference. First operand has 429 places, 423 transitions, 1039 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:19,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 425 transitions, 1122 flow [2024-11-08 16:56:19,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 425 transitions, 1118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:19,241 INFO L231 Difference]: Finished difference. Result has 428 places, 422 transitions, 1037 flow [2024-11-08 16:56:19,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1037, PETRI_PLACES=428, PETRI_TRANSITIONS=422} [2024-11-08 16:56:19,243 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -96 predicate places. [2024-11-08 16:56:19,244 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 422 transitions, 1037 flow [2024-11-08 16:56:19,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 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 16:56:19,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:19,245 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 16:56:19,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 16:56:19,246 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:19,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:19,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1902333470, now seen corresponding path program 1 times [2024-11-08 16:56:19,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:19,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489923763] [2024-11-08 16:56:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:19,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:19,324 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 16:56:19,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:19,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489923763] [2024-11-08 16:56:19,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489923763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:19,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:19,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:19,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080399519] [2024-11-08 16:56:19,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:19,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:19,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:19,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:19,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:19,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:19,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 422 transitions, 1037 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 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 16:56:19,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:19,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:19,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:21,171 INFO L124 PetriNetUnfolderBase]: 462/4140 cut-off events. [2024-11-08 16:56:21,171 INFO L125 PetriNetUnfolderBase]: For 479/482 co-relation queries the response was YES. [2024-11-08 16:56:21,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6178 conditions, 4140 events. 462/4140 cut-off events. For 479/482 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 39925 event pairs, 314 based on Foata normal form. 0/3930 useless extension candidates. Maximal degree in co-relation 5776. Up to 876 conditions per place. [2024-11-08 16:56:21,326 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/424 dead transitions. [2024-11-08 16:56:21,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 424 transitions, 1124 flow [2024-11-08 16:56:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:21,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:21,330 INFO L175 Difference]: Start difference. First operand has 428 places, 422 transitions, 1037 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:21,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 424 transitions, 1124 flow [2024-11-08 16:56:21,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 424 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:21,341 INFO L231 Difference]: Finished difference. Result has 427 places, 421 transitions, 1035 flow [2024-11-08 16:56:21,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1035, PETRI_PLACES=427, PETRI_TRANSITIONS=421} [2024-11-08 16:56:21,342 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -97 predicate places. [2024-11-08 16:56:21,342 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 421 transitions, 1035 flow [2024-11-08 16:56:21,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 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 16:56:21,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:21,343 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] [2024-11-08 16:56:21,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:56:21,344 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:21,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:21,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1443565456, now seen corresponding path program 1 times [2024-11-08 16:56:21,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:21,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432841760] [2024-11-08 16:56:21,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:21,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:21,415 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 16:56:21,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:21,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432841760] [2024-11-08 16:56:21,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432841760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:21,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:21,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:21,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403348049] [2024-11-08 16:56:21,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:21,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:21,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:21,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:21,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:21,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:21,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 421 transitions, 1035 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 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 16:56:21,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:21,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:21,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:24,290 INFO L124 PetriNetUnfolderBase]: 752/6475 cut-off events. [2024-11-08 16:56:24,290 INFO L125 PetriNetUnfolderBase]: For 596/602 co-relation queries the response was YES. [2024-11-08 16:56:24,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9634 conditions, 6475 events. 752/6475 cut-off events. For 596/602 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 66693 event pairs, 499 based on Foata normal form. 0/6160 useless extension candidates. Maximal degree in co-relation 9053. Up to 1234 conditions per place. [2024-11-08 16:56:24,616 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2024-11-08 16:56:24,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 423 transitions, 1118 flow [2024-11-08 16:56:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:24,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:24,619 INFO L175 Difference]: Start difference. First operand has 427 places, 421 transitions, 1035 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:24,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 423 transitions, 1118 flow [2024-11-08 16:56:24,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 423 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:24,858 INFO L231 Difference]: Finished difference. Result has 426 places, 420 transitions, 1033 flow [2024-11-08 16:56:24,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=426, PETRI_TRANSITIONS=420} [2024-11-08 16:56:24,859 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -98 predicate places. [2024-11-08 16:56:24,859 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 420 transitions, 1033 flow [2024-11-08 16:56:24,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 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 16:56:24,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:24,860 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] [2024-11-08 16:56:24,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 16:56:24,861 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:24,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:24,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2118586357, now seen corresponding path program 1 times [2024-11-08 16:56:24,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:24,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738653915] [2024-11-08 16:56:24,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:24,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:24,921 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 16:56:24,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:24,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738653915] [2024-11-08 16:56:24,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738653915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:24,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:24,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:24,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918690172] [2024-11-08 16:56:24,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:24,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:24,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:24,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:24,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:25,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:25,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 420 transitions, 1033 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 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 16:56:25,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:25,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:25,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:26,267 INFO L124 PetriNetUnfolderBase]: 365/4101 cut-off events. [2024-11-08 16:56:26,268 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-08 16:56:26,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5866 conditions, 4101 events. 365/4101 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 39407 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5554. Up to 528 conditions per place. [2024-11-08 16:56:26,343 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/422 dead transitions. [2024-11-08 16:56:26,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 422 transitions, 1118 flow [2024-11-08 16:56:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:26,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:26,347 INFO L175 Difference]: Start difference. First operand has 426 places, 420 transitions, 1033 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:26,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 422 transitions, 1118 flow [2024-11-08 16:56:26,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 422 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:26,355 INFO L231 Difference]: Finished difference. Result has 425 places, 419 transitions, 1031 flow [2024-11-08 16:56:26,355 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1027, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1031, PETRI_PLACES=425, PETRI_TRANSITIONS=419} [2024-11-08 16:56:26,356 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -99 predicate places. [2024-11-08 16:56:26,356 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 419 transitions, 1031 flow [2024-11-08 16:56:26,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 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 16:56:26,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:26,357 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] [2024-11-08 16:56:26,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 16:56:26,358 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread4Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:26,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:26,358 INFO L85 PathProgramCache]: Analyzing trace with hash -560508261, now seen corresponding path program 1 times [2024-11-08 16:56:26,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:26,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999264483] [2024-11-08 16:56:26,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:26,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:26,412 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 16:56:26,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:26,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999264483] [2024-11-08 16:56:26,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999264483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:26,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:26,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78774111] [2024-11-08 16:56:26,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:26,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:26,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:26,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:26,566 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:26,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 419 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 0 states have call successors, (0), 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 16:56:26,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:26,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:26,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:27,533 INFO L124 PetriNetUnfolderBase]: 235/3189 cut-off events. [2024-11-08 16:56:27,534 INFO L125 PetriNetUnfolderBase]: For 287/291 co-relation queries the response was YES. [2024-11-08 16:56:27,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4382 conditions, 3189 events. 235/3189 cut-off events. For 287/291 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28348 event pairs, 129 based on Foata normal form. 0/3042 useless extension candidates. Maximal degree in co-relation 4311. Up to 412 conditions per place. [2024-11-08 16:56:27,634 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/421 dead transitions. [2024-11-08 16:56:27,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 421 transitions, 1114 flow [2024-11-08 16:56:27,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:27,637 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:27,637 INFO L175 Difference]: Start difference. First operand has 425 places, 419 transitions, 1031 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:27,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 421 transitions, 1114 flow [2024-11-08 16:56:27,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 421 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:27,648 INFO L231 Difference]: Finished difference. Result has 424 places, 418 transitions, 1029 flow [2024-11-08 16:56:27,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1029, PETRI_PLACES=424, PETRI_TRANSITIONS=418} [2024-11-08 16:56:27,649 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -100 predicate places. [2024-11-08 16:56:27,650 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 418 transitions, 1029 flow [2024-11-08 16:56:27,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 0 states have call successors, (0), 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 16:56:27,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:27,651 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] [2024-11-08 16:56:27,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:56:27,651 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:27,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash -453671385, now seen corresponding path program 1 times [2024-11-08 16:56:27,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:27,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830650444] [2024-11-08 16:56:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:27,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:27,711 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 16:56:27,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:27,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830650444] [2024-11-08 16:56:27,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830650444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:27,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:27,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:27,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337026662] [2024-11-08 16:56:27,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:27,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:27,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:27,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:27,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:27,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:27,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 418 transitions, 1029 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 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 16:56:27,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:27,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:27,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:28,965 INFO L124 PetriNetUnfolderBase]: 462/4080 cut-off events. [2024-11-08 16:56:28,965 INFO L125 PetriNetUnfolderBase]: For 476/479 co-relation queries the response was YES. [2024-11-08 16:56:29,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6118 conditions, 4080 events. 462/4080 cut-off events. For 476/479 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 39150 event pairs, 314 based on Foata normal form. 0/3918 useless extension candidates. Maximal degree in co-relation 5812. Up to 876 conditions per place. [2024-11-08 16:56:29,096 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2024-11-08 16:56:29,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 420 transitions, 1116 flow [2024-11-08 16:56:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:29,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:29,099 INFO L175 Difference]: Start difference. First operand has 424 places, 418 transitions, 1029 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:29,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 420 transitions, 1116 flow [2024-11-08 16:56:29,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 420 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:29,106 INFO L231 Difference]: Finished difference. Result has 423 places, 417 transitions, 1027 flow [2024-11-08 16:56:29,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1027, PETRI_PLACES=423, PETRI_TRANSITIONS=417} [2024-11-08 16:56:29,107 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -101 predicate places. [2024-11-08 16:56:29,107 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 417 transitions, 1027 flow [2024-11-08 16:56:29,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 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 16:56:29,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:29,108 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] [2024-11-08 16:56:29,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:56:29,108 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:29,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash -861959743, now seen corresponding path program 1 times [2024-11-08 16:56:29,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:29,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145371345] [2024-11-08 16:56:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:29,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:29,167 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 16:56:29,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:29,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145371345] [2024-11-08 16:56:29,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145371345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:29,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:29,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:29,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703406455] [2024-11-08 16:56:29,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:29,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:29,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:29,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:29,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:29,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:29,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 417 transitions, 1027 flow. Second operand has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 0 states have call successors, (0), 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 16:56:29,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:29,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:29,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:31,439 INFO L124 PetriNetUnfolderBase]: 764/6608 cut-off events. [2024-11-08 16:56:31,439 INFO L125 PetriNetUnfolderBase]: For 596/602 co-relation queries the response was YES. [2024-11-08 16:56:31,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9821 conditions, 6608 events. 764/6608 cut-off events. For 596/602 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 67410 event pairs, 499 based on Foata normal form. 0/6362 useless extension candidates. Maximal degree in co-relation 9414. Up to 1234 conditions per place. [2024-11-08 16:56:31,801 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2024-11-08 16:56:31,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 419 transitions, 1110 flow [2024-11-08 16:56:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:31,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:31,804 INFO L175 Difference]: Start difference. First operand has 423 places, 417 transitions, 1027 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:31,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 419 transitions, 1110 flow [2024-11-08 16:56:31,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 419 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:31,816 INFO L231 Difference]: Finished difference. Result has 422 places, 416 transitions, 1025 flow [2024-11-08 16:56:31,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1025, PETRI_PLACES=422, PETRI_TRANSITIONS=416} [2024-11-08 16:56:31,817 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -102 predicate places. [2024-11-08 16:56:31,818 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 416 transitions, 1025 flow [2024-11-08 16:56:31,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 0 states have call successors, (0), 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 16:56:31,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:31,818 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] [2024-11-08 16:56:31,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 16:56:31,819 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread4Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:31,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:31,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1919283542, now seen corresponding path program 1 times [2024-11-08 16:56:31,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:31,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228998404] [2024-11-08 16:56:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:31,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:31,881 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 16:56:31,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:31,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228998404] [2024-11-08 16:56:31,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228998404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:31,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:31,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:31,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486297092] [2024-11-08 16:56:31,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:31,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:31,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:31,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:31,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:32,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:32,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 416 transitions, 1025 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 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 16:56:32,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:32,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:32,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:33,111 INFO L124 PetriNetUnfolderBase]: 235/3148 cut-off events. [2024-11-08 16:56:33,112 INFO L125 PetriNetUnfolderBase]: For 296/300 co-relation queries the response was YES. [2024-11-08 16:56:33,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4359 conditions, 3148 events. 235/3148 cut-off events. For 296/300 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27880 event pairs, 129 based on Foata normal form. 0/3036 useless extension candidates. Maximal degree in co-relation 4201. Up to 412 conditions per place. [2024-11-08 16:56:33,191 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2024-11-08 16:56:33,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 418 transitions, 1108 flow [2024-11-08 16:56:33,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:33,194 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:33,194 INFO L175 Difference]: Start difference. First operand has 422 places, 416 transitions, 1025 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:33,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 418 transitions, 1108 flow [2024-11-08 16:56:33,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 418 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:33,207 INFO L231 Difference]: Finished difference. Result has 421 places, 415 transitions, 1023 flow [2024-11-08 16:56:33,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1023, PETRI_PLACES=421, PETRI_TRANSITIONS=415} [2024-11-08 16:56:33,208 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -103 predicate places. [2024-11-08 16:56:33,209 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 415 transitions, 1023 flow [2024-11-08 16:56:33,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 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 16:56:33,210 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:33,210 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] [2024-11-08 16:56:33,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 16:56:33,210 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:33,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1588478538, now seen corresponding path program 1 times [2024-11-08 16:56:33,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417927681] [2024-11-08 16:56:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:33,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:33,270 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 16:56:33,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:33,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417927681] [2024-11-08 16:56:33,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417927681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:33,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:33,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:33,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235236149] [2024-11-08 16:56:33,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:33,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:33,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:33,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:33,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:33,428 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-08 16:56:33,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 415 transitions, 1023 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 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 16:56:33,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:33,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-08 16:56:33,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:34,646 INFO L124 PetriNetUnfolderBase]: 462/4023 cut-off events. [2024-11-08 16:56:34,646 INFO L125 PetriNetUnfolderBase]: For 473/476 co-relation queries the response was YES. [2024-11-08 16:56:34,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6061 conditions, 4023 events. 462/4023 cut-off events. For 473/476 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 38426 event pairs, 314 based on Foata normal form. 0/3906 useless extension candidates. Maximal degree in co-relation 5851. Up to 876 conditions per place. [2024-11-08 16:56:34,827 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2024-11-08 16:56:34,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 417 transitions, 1110 flow [2024-11-08 16:56:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-08 16:56:34,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-08 16:56:34,831 INFO L175 Difference]: Start difference. First operand has 421 places, 415 transitions, 1023 flow. Second operand 3 states and 1545 transitions. [2024-11-08 16:56:34,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 417 transitions, 1110 flow [2024-11-08 16:56:34,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:34,843 INFO L231 Difference]: Finished difference. Result has 420 places, 414 transitions, 1021 flow [2024-11-08 16:56:34,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1021, PETRI_PLACES=420, PETRI_TRANSITIONS=414} [2024-11-08 16:56:34,844 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -104 predicate places. [2024-11-08 16:56:34,845 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 414 transitions, 1021 flow [2024-11-08 16:56:34,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 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 16:56:34,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:56:34,847 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] [2024-11-08 16:56:34,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:56:34,847 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread4Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-08 16:56:34,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:34,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1106210183, now seen corresponding path program 1 times [2024-11-08 16:56:34,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:34,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778051951] [2024-11-08 16:56:34,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:34,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:34,917 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 16:56:34,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:34,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778051951] [2024-11-08 16:56:34,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778051951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:56:34,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:56:34,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:56:34,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386766738] [2024-11-08 16:56:34,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:56:34,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:56:34,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:34,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:56:34,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:56:35,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-08 16:56:35,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 414 transitions, 1021 flow. Second operand has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 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 16:56:35,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:56:35,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-08 16:56:35,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:56:35,928 INFO L124 PetriNetUnfolderBase]: 235/3119 cut-off events. [2024-11-08 16:56:35,928 INFO L125 PetriNetUnfolderBase]: For 296/300 co-relation queries the response was YES. [2024-11-08 16:56:35,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4330 conditions, 3119 events. 235/3119 cut-off events. For 296/300 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27623 event pairs, 129 based on Foata normal form. 0/3030 useless extension candidates. Maximal degree in co-relation 4182. Up to 412 conditions per place. [2024-11-08 16:56:35,994 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 0 selfloop transitions, 0 changer transitions 416/416 dead transitions. [2024-11-08 16:56:35,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 416 transitions, 1104 flow [2024-11-08 16:56:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:56:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:56:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-08 16:56:35,997 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-08 16:56:35,997 INFO L175 Difference]: Start difference. First operand has 420 places, 414 transitions, 1021 flow. Second operand 3 states and 1547 transitions. [2024-11-08 16:56:35,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 416 transitions, 1104 flow [2024-11-08 16:56:36,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 416 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:56:36,004 INFO L231 Difference]: Finished difference. Result has 419 places, 0 transitions, 0 flow [2024-11-08 16:56:36,004 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=419, PETRI_TRANSITIONS=0} [2024-11-08 16:56:36,005 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -105 predicate places. [2024-11-08 16:56:36,005 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 0 transitions, 0 flow [2024-11-08 16:56:36,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 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 16:56:36,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (202 of 203 remaining) [2024-11-08 16:56:36,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (201 of 203 remaining) [2024-11-08 16:56:36,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (200 of 203 remaining) [2024-11-08 16:56:36,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (199 of 203 remaining) [2024-11-08 16:56:36,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (198 of 203 remaining) [2024-11-08 16:56:36,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (197 of 203 remaining) [2024-11-08 16:56:36,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (196 of 203 remaining) [2024-11-08 16:56:36,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (195 of 203 remaining) [2024-11-08 16:56:36,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (194 of 203 remaining) [2024-11-08 16:56:36,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (193 of 203 remaining) [2024-11-08 16:56:36,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (192 of 203 remaining) [2024-11-08 16:56:36,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (191 of 203 remaining) [2024-11-08 16:56:36,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (190 of 203 remaining) [2024-11-08 16:56:36,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (189 of 203 remaining) [2024-11-08 16:56:36,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (188 of 203 remaining) [2024-11-08 16:56:36,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (187 of 203 remaining) [2024-11-08 16:56:36,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (186 of 203 remaining) [2024-11-08 16:56:36,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (185 of 203 remaining) [2024-11-08 16:56:36,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (184 of 203 remaining) [2024-11-08 16:56:36,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (183 of 203 remaining) [2024-11-08 16:56:36,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (182 of 203 remaining) [2024-11-08 16:56:36,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (181 of 203 remaining) [2024-11-08 16:56:36,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (180 of 203 remaining) [2024-11-08 16:56:36,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (179 of 203 remaining) [2024-11-08 16:56:36,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (178 of 203 remaining) [2024-11-08 16:56:36,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (177 of 203 remaining) [2024-11-08 16:56:36,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (176 of 203 remaining) [2024-11-08 16:56:36,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (175 of 203 remaining) [2024-11-08 16:56:36,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (174 of 203 remaining) [2024-11-08 16:56:36,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (173 of 203 remaining) [2024-11-08 16:56:36,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (172 of 203 remaining) [2024-11-08 16:56:36,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (171 of 203 remaining) [2024-11-08 16:56:36,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (170 of 203 remaining) [2024-11-08 16:56:36,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (169 of 203 remaining) [2024-11-08 16:56:36,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (168 of 203 remaining) [2024-11-08 16:56:36,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (167 of 203 remaining) [2024-11-08 16:56:36,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (166 of 203 remaining) [2024-11-08 16:56:36,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (165 of 203 remaining) [2024-11-08 16:56:36,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (164 of 203 remaining) [2024-11-08 16:56:36,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (163 of 203 remaining) [2024-11-08 16:56:36,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (162 of 203 remaining) [2024-11-08 16:56:36,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (161 of 203 remaining) [2024-11-08 16:56:36,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (160 of 203 remaining) [2024-11-08 16:56:36,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (159 of 203 remaining) [2024-11-08 16:56:36,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (158 of 203 remaining) [2024-11-08 16:56:36,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (157 of 203 remaining) [2024-11-08 16:56:36,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (156 of 203 remaining) [2024-11-08 16:56:36,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (155 of 203 remaining) [2024-11-08 16:56:36,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (154 of 203 remaining) [2024-11-08 16:56:36,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (153 of 203 remaining) [2024-11-08 16:56:36,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (152 of 203 remaining) [2024-11-08 16:56:36,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (151 of 203 remaining) [2024-11-08 16:56:36,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (150 of 203 remaining) [2024-11-08 16:56:36,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (149 of 203 remaining) [2024-11-08 16:56:36,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (148 of 203 remaining) [2024-11-08 16:56:36,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (147 of 203 remaining) [2024-11-08 16:56:36,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (146 of 203 remaining) [2024-11-08 16:56:36,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (145 of 203 remaining) [2024-11-08 16:56:36,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (144 of 203 remaining) [2024-11-08 16:56:36,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (143 of 203 remaining) [2024-11-08 16:56:36,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (142 of 203 remaining) [2024-11-08 16:56:36,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (141 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (140 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (139 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (138 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (137 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (136 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (135 of 203 remaining) [2024-11-08 16:56:36,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (134 of 203 remaining) [2024-11-08 16:56:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (133 of 203 remaining) [2024-11-08 16:56:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (132 of 203 remaining) [2024-11-08 16:56:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (131 of 203 remaining) [2024-11-08 16:56:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (130 of 203 remaining) [2024-11-08 16:56:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (129 of 203 remaining) [2024-11-08 16:56:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (128 of 203 remaining) [2024-11-08 16:56:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (127 of 203 remaining) [2024-11-08 16:56:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (126 of 203 remaining) [2024-11-08 16:56:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (125 of 203 remaining) [2024-11-08 16:56:36,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (124 of 203 remaining) [2024-11-08 16:56:36,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (123 of 203 remaining) [2024-11-08 16:56:36,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (122 of 203 remaining) [2024-11-08 16:56:36,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (121 of 203 remaining) [2024-11-08 16:56:36,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (120 of 203 remaining) [2024-11-08 16:56:36,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (119 of 203 remaining) [2024-11-08 16:56:36,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 203 remaining) [2024-11-08 16:56:36,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 203 remaining) [2024-11-08 16:56:36,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 203 remaining) [2024-11-08 16:56:36,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 203 remaining) [2024-11-08 16:56:36,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (114 of 203 remaining) [2024-11-08 16:56:36,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (113 of 203 remaining) [2024-11-08 16:56:36,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (112 of 203 remaining) [2024-11-08 16:56:36,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (111 of 203 remaining) [2024-11-08 16:56:36,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (110 of 203 remaining) [2024-11-08 16:56:36,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (109 of 203 remaining) [2024-11-08 16:56:36,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (108 of 203 remaining) [2024-11-08 16:56:36,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (107 of 203 remaining) [2024-11-08 16:56:36,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (106 of 203 remaining) [2024-11-08 16:56:36,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (105 of 203 remaining) [2024-11-08 16:56:36,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (104 of 203 remaining) [2024-11-08 16:56:36,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 203 remaining) [2024-11-08 16:56:36,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (102 of 203 remaining) [2024-11-08 16:56:36,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (101 of 203 remaining) [2024-11-08 16:56:36,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (100 of 203 remaining) [2024-11-08 16:56:36,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (99 of 203 remaining) [2024-11-08 16:56:36,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (98 of 203 remaining) [2024-11-08 16:56:36,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (97 of 203 remaining) [2024-11-08 16:56:36,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (96 of 203 remaining) [2024-11-08 16:56:36,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (95 of 203 remaining) [2024-11-08 16:56:36,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (94 of 203 remaining) [2024-11-08 16:56:36,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (93 of 203 remaining) [2024-11-08 16:56:36,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (92 of 203 remaining) [2024-11-08 16:56:36,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 203 remaining) [2024-11-08 16:56:36,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 203 remaining) [2024-11-08 16:56:36,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 203 remaining) [2024-11-08 16:56:36,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 203 remaining) [2024-11-08 16:56:36,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 203 remaining) [2024-11-08 16:56:36,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 203 remaining) [2024-11-08 16:56:36,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 203 remaining) [2024-11-08 16:56:36,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 203 remaining) [2024-11-08 16:56:36,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 203 remaining) [2024-11-08 16:56:36,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 203 remaining) [2024-11-08 16:56:36,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 203 remaining) [2024-11-08 16:56:36,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 203 remaining) [2024-11-08 16:56:36,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 203 remaining) [2024-11-08 16:56:36,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 203 remaining) [2024-11-08 16:56:36,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 203 remaining) [2024-11-08 16:56:36,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 203 remaining) [2024-11-08 16:56:36,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 203 remaining) [2024-11-08 16:56:36,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 203 remaining) [2024-11-08 16:56:36,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 203 remaining) [2024-11-08 16:56:36,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 203 remaining) [2024-11-08 16:56:36,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 203 remaining) [2024-11-08 16:56:36,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 203 remaining) [2024-11-08 16:56:36,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 203 remaining) [2024-11-08 16:56:36,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 203 remaining) [2024-11-08 16:56:36,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 203 remaining) [2024-11-08 16:56:36,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 203 remaining) [2024-11-08 16:56:36,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 203 remaining) [2024-11-08 16:56:36,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 203 remaining) [2024-11-08 16:56:36,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 203 remaining) [2024-11-08 16:56:36,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 203 remaining) [2024-11-08 16:56:36,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (55 of 203 remaining) [2024-11-08 16:56:36,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (54 of 203 remaining) [2024-11-08 16:56:36,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (53 of 203 remaining) [2024-11-08 16:56:36,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (52 of 203 remaining) [2024-11-08 16:56:36,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (51 of 203 remaining) [2024-11-08 16:56:36,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (50 of 203 remaining) [2024-11-08 16:56:36,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (49 of 203 remaining) [2024-11-08 16:56:36,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (48 of 203 remaining) [2024-11-08 16:56:36,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (47 of 203 remaining) [2024-11-08 16:56:36,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (46 of 203 remaining) [2024-11-08 16:56:36,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 203 remaining) [2024-11-08 16:56:36,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 203 remaining) [2024-11-08 16:56:36,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 203 remaining) [2024-11-08 16:56:36,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 203 remaining) [2024-11-08 16:56:36,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 203 remaining) [2024-11-08 16:56:36,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 203 remaining) [2024-11-08 16:56:36,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 203 remaining) [2024-11-08 16:56:36,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 203 remaining) [2024-11-08 16:56:36,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (37 of 203 remaining) [2024-11-08 16:56:36,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (36 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (35 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (33 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (32 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (31 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (30 of 203 remaining) [2024-11-08 16:56:36,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (29 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (28 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (27 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (26 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (25 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (24 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (23 of 203 remaining) [2024-11-08 16:56:36,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (17 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (16 of 203 remaining) [2024-11-08 16:56:36,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (15 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (14 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (13 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (12 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (10 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (9 of 203 remaining) [2024-11-08 16:56:36,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (8 of 203 remaining) [2024-11-08 16:56:36,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (7 of 203 remaining) [2024-11-08 16:56:36,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (6 of 203 remaining) [2024-11-08 16:56:36,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (5 of 203 remaining) [2024-11-08 16:56:36,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (4 of 203 remaining) [2024-11-08 16:56:36,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (3 of 203 remaining) [2024-11-08 16:56:36,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (2 of 203 remaining) [2024-11-08 16:56:36,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (1 of 203 remaining) [2024-11-08 16:56:36,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (0 of 203 remaining) [2024-11-08 16:56:36,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 16:56:36,060 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:56:36,075 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:56:36,076 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:56:36,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:56:36 BasicIcfg [2024-11-08 16:56:36,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:56:36,087 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:56:36,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:56:36,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:56:36,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:55:25" (3/4) ... [2024-11-08 16:56:36,092 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:56:36,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 16:56:36,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 16:56:36,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 16:56:36,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-08 16:56:36,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 16:56:36,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:56:36,108 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 16:56:36,108 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:56:36,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:56:36,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:56:36,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:56:36,262 INFO L158 Benchmark]: Toolchain (without parser) took 72919.01ms. Allocated memory was 132.1MB in the beginning and 9.5GB in the end (delta: 9.4GB). Free memory was 69.4MB in the beginning and 7.9GB in the end (delta: -7.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 16:56:36,262 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory was 105.4MB in the beginning and 105.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:56:36,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.08ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 69.1MB in the beginning and 140.6MB in the end (delta: -71.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 16:56:36,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.39ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:56:36,263 INFO L158 Benchmark]: Boogie Preprocessor took 69.04ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 136.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:56:36,264 INFO L158 Benchmark]: RCFGBuilder took 1364.69ms. Allocated memory is still 178.3MB. Free memory was 136.4MB in the beginning and 116.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:56:36,264 INFO L158 Benchmark]: TraceAbstraction took 70613.14ms. Allocated memory was 178.3MB in the beginning and 9.5GB in the end (delta: 9.3GB). Free memory was 116.3MB in the beginning and 7.9GB in the end (delta: -7.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 16:56:36,265 INFO L158 Benchmark]: Witness Printer took 173.80ms. Allocated memory is still 9.5GB. Free memory was 7.9GB in the beginning and 7.9GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:56:36,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory was 105.4MB in the beginning and 105.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.08ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 69.1MB in the beginning and 140.6MB in the end (delta: -71.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.39ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.04ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 136.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1364.69ms. Allocated memory is still 178.3MB. Free memory was 136.4MB in the beginning and 116.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 70613.14ms. Allocated memory was 178.3MB in the beginning and 9.5GB in the end (delta: 9.3GB). Free memory was 116.3MB in the beginning and 7.9GB in the end (delta: -7.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 173.80ms. Allocated memory is still 9.5GB. Free memory was 7.9GB in the beginning and 7.9GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 918 locations, 203 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 70.3s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 66.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5778 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1900 mSDsluCounter, 990 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5462 IncrementalHoareTripleChecker+Invalid, 5745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 283 mSolverCounterUnsat, 982 mSDtfsCounter, 5462 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1073occurred in iteration=12, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 4063 NumberOfCodeBlocks, 4063 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4024 ConstructedInterpolants, 0 QuantifiedInterpolants, 4102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 107 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 16:56:36,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c771448e-4d98-4da4-8b7a-de3dffe561b7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE