./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 673666cb71096405cc13bacc98be08aac7026343d1cf8127c7ee9fffc801c83e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:46:05,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:46:05,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:46:05,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:46:05,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:46:05,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:46:05,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:46:05,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:46:05,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:46:05,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:46:05,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:46:05,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:46:05,833 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:46:05,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:46:05,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:46:05,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:46:05,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:46:05,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:46:05,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:46:05,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:46:05,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:46:05,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:46:05,841 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:46:05,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:46:05,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:46:05,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:46:05,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:46:05,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:46:05,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:46:05,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:46:05,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:46:05,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:46:05,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:46:05,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:46:05,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:46:05,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:46:05,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:46:05,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:46:05,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:46:05,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:46:05,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:46:05,846 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_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673666cb71096405cc13bacc98be08aac7026343d1cf8127c7ee9fffc801c83e [2023-11-29 04:46:06,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:46:06,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:46:06,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:46:06,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:46:06,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:46:06,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2023-11-29 04:46:08,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:46:09,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:46:09,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2023-11-29 04:46:09,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/data/7ef2f2f57/92c575809b9843e699bc10473e437f3b/FLAGa558e49c8 [2023-11-29 04:46:09,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/data/7ef2f2f57/92c575809b9843e699bc10473e437f3b [2023-11-29 04:46:09,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:46:09,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:46:09,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:46:09,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:46:09,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:46:09,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4970f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09, skipping insertion in model container [2023-11-29 04:46:09,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:46:09,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:46:09,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:46:09,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:46:09,354 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:46:09,354 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:46:09,360 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:46:09,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09 WrapperNode [2023-11-29 04:46:09,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:46:09,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:46:09,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:46:09,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:46:09,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,402 INFO L138 Inliner]: procedures = 21, calls = 49, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 203 [2023-11-29 04:46:09,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:46:09,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:46:09,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:46:09,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:46:09,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:46:09,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:46:09,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:46:09,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:46:09,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (1/1) ... [2023-11-29 04:46:09,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:46:09,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:46:09,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:46:09,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:46:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:46:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:46:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:46:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:46:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:46:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:46:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:46:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:46:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:46:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:46:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:46:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:46:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:46:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:46:09,528 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:46:09,634 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:46:09,636 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:46:10,008 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:46:10,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:46:10,162 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:46:10,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:46:10 BoogieIcfgContainer [2023-11-29 04:46:10,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:46:10,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:46:10,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:46:10,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:46:10,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:46:09" (1/3) ... [2023-11-29 04:46:10,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d36354a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:46:10, skipping insertion in model container [2023-11-29 04:46:10,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:46:09" (2/3) ... [2023-11-29 04:46:10,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d36354a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:46:10, skipping insertion in model container [2023-11-29 04:46:10,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:46:10" (3/3) ... [2023-11-29 04:46:10,174 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2023-11-29 04:46:10,183 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:46:10,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:46:10,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-29 04:46:10,193 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:46:10,257 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 04:46:10,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 226 places, 228 transitions, 470 flow [2023-11-29 04:46:10,379 INFO L124 PetriNetUnfolderBase]: 9/226 cut-off events. [2023-11-29 04:46:10,379 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 04:46:10,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 226 events. 9/226 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 155 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2023-11-29 04:46:10,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 226 places, 228 transitions, 470 flow [2023-11-29 04:46:10,392 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 205 transitions, 422 flow [2023-11-29 04:46:10,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:46:10,410 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@418f97c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:46:10,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2023-11-29 04:46:10,417 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:46:10,418 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 04:46:10,418 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:46:10,418 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:10,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:10,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:10,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:10,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1118167368, now seen corresponding path program 1 times [2023-11-29 04:46:10,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:10,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881485275] [2023-11-29 04:46:10,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:10,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:10,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:10,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881485275] [2023-11-29 04:46:10,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881485275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:10,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:10,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:10,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853630132] [2023-11-29 04:46:10,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:10,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:10,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:10,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:10,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:10,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-29 04:46:10,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:10,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:10,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-29 04:46:10,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:10,798 INFO L124 PetriNetUnfolderBase]: 45/291 cut-off events. [2023-11-29 04:46:10,798 INFO L125 PetriNetUnfolderBase]: For 63/82 co-relation queries the response was YES. [2023-11-29 04:46:10,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 291 events. 45/291 cut-off events. For 63/82 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 638 event pairs, 31 based on Foata normal form. 6/262 useless extension candidates. Maximal degree in co-relation 233. Up to 95 conditions per place. [2023-11-29 04:46:10,803 INFO L140 encePairwiseOnDemand]: 199/228 looper letters, 19 selfloop transitions, 2 changer transitions 6/178 dead transitions. [2023-11-29 04:46:10,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 178 transitions, 410 flow [2023-11-29 04:46:10,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 579 transitions. [2023-11-29 04:46:10,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8464912280701754 [2023-11-29 04:46:10,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 579 transitions. [2023-11-29 04:46:10,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 579 transitions. [2023-11-29 04:46:10,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:10,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 579 transitions. [2023-11-29 04:46:10,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:10,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:10,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:10,840 INFO L175 Difference]: Start difference. First operand has 204 places, 205 transitions, 422 flow. Second operand 3 states and 579 transitions. [2023-11-29 04:46:10,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 178 transitions, 410 flow [2023-11-29 04:46:10,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 178 transitions, 402 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:46:10,849 INFO L231 Difference]: Finished difference. Result has 181 places, 172 transitions, 352 flow [2023-11-29 04:46:10,851 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=181, PETRI_TRANSITIONS=172} [2023-11-29 04:46:10,854 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -23 predicate places. [2023-11-29 04:46:10,855 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 172 transitions, 352 flow [2023-11-29 04:46:10,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:10,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:10,856 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:10,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:46:10,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:10,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:10,857 INFO L85 PathProgramCache]: Analyzing trace with hash 985966371, now seen corresponding path program 1 times [2023-11-29 04:46:10,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:10,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757703131] [2023-11-29 04:46:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:10,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:10,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:10,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757703131] [2023-11-29 04:46:10,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757703131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:10,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:10,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:10,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784059395] [2023-11-29 04:46:10,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:10,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:10,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:10,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:10,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:10,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-29 04:46:10,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 172 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:10,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:10,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-29 04:46:10,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:11,074 INFO L124 PetriNetUnfolderBase]: 45/284 cut-off events. [2023-11-29 04:46:11,075 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-29 04:46:11,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 284 events. 45/284 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 628 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 360. Up to 95 conditions per place. [2023-11-29 04:46:11,078 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2023-11-29 04:46:11,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 171 transitions, 392 flow [2023-11-29 04:46:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 04:46:11,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-29 04:46:11,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:11,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,089 INFO L175 Difference]: Start difference. First operand has 181 places, 172 transitions, 352 flow. Second operand 3 states and 553 transitions. [2023-11-29 04:46:11,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 171 transitions, 392 flow [2023-11-29 04:46:11,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:11,095 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 350 flow [2023-11-29 04:46:11,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2023-11-29 04:46:11,096 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -30 predicate places. [2023-11-29 04:46:11,096 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 350 flow [2023-11-29 04:46:11,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:11,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:11,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:46:11,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:11,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1020279135, now seen corresponding path program 1 times [2023-11-29 04:46:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:11,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077524606] [2023-11-29 04:46:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:11,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:11,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:11,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077524606] [2023-11-29 04:46:11,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077524606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:11,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:11,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:11,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864975234] [2023-11-29 04:46:11,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:11,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:11,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:11,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:11,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:11,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-29 04:46:11,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:11,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-29 04:46:11,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:11,251 INFO L124 PetriNetUnfolderBase]: 45/283 cut-off events. [2023-11-29 04:46:11,251 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-29 04:46:11,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 283 events. 45/283 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 627 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 351. Up to 95 conditions per place. [2023-11-29 04:46:11,254 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2023-11-29 04:46:11,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 170 transitions, 390 flow [2023-11-29 04:46:11,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 04:46:11,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-29 04:46:11,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:11,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,264 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 350 flow. Second operand 3 states and 553 transitions. [2023-11-29 04:46:11,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 170 transitions, 390 flow [2023-11-29 04:46:11,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 170 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:11,269 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 348 flow [2023-11-29 04:46:11,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2023-11-29 04:46:11,270 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -31 predicate places. [2023-11-29 04:46:11,271 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 348 flow [2023-11-29 04:46:11,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:11,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:11,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:46:11,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:11,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:11,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1659616527, now seen corresponding path program 1 times [2023-11-29 04:46:11,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:11,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81481770] [2023-11-29 04:46:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:11,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:11,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:11,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81481770] [2023-11-29 04:46:11,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81481770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:11,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:11,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:11,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674035103] [2023-11-29 04:46:11,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:11,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:11,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:11,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:11,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:11,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-29 04:46:11,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:11,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-29 04:46:11,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:11,418 INFO L124 PetriNetUnfolderBase]: 45/282 cut-off events. [2023-11-29 04:46:11,418 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-29 04:46:11,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 282 events. 45/282 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 624 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 343. Up to 95 conditions per place. [2023-11-29 04:46:11,421 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-29 04:46:11,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 388 flow [2023-11-29 04:46:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 04:46:11,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-29 04:46:11,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:11,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,431 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 348 flow. Second operand 3 states and 553 transitions. [2023-11-29 04:46:11,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 388 flow [2023-11-29 04:46:11,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:11,436 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 346 flow [2023-11-29 04:46:11,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2023-11-29 04:46:11,437 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -32 predicate places. [2023-11-29 04:46:11,438 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 346 flow [2023-11-29 04:46:11,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:11,439 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:11,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:46:11,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:11,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash -229085416, now seen corresponding path program 1 times [2023-11-29 04:46:11,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:11,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518343539] [2023-11-29 04:46:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:11,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:11,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518343539] [2023-11-29 04:46:11,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518343539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:11,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:11,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:11,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58865408] [2023-11-29 04:46:11,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:11,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:11,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:11,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:11,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:11,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-29 04:46:11,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:11,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-29 04:46:11,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:11,593 INFO L124 PetriNetUnfolderBase]: 45/281 cut-off events. [2023-11-29 04:46:11,593 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-29 04:46:11,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 281 events. 45/281 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 624 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 335. Up to 95 conditions per place. [2023-11-29 04:46:11,596 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2023-11-29 04:46:11,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 386 flow [2023-11-29 04:46:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:11,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 04:46:11,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-29 04:46:11,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:11,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 04:46:11,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,607 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 346 flow. Second operand 3 states and 553 transitions. [2023-11-29 04:46:11,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 386 flow [2023-11-29 04:46:11,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:11,611 INFO L231 Difference]: Finished difference. Result has 171 places, 168 transitions, 344 flow [2023-11-29 04:46:11,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=171, PETRI_TRANSITIONS=168} [2023-11-29 04:46:11,613 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2023-11-29 04:46:11,613 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 168 transitions, 344 flow [2023-11-29 04:46:11,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:11,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:11,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:46:11,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:11,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:11,615 INFO L85 PathProgramCache]: Analyzing trace with hash 517910394, now seen corresponding path program 1 times [2023-11-29 04:46:11,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:11,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960902647] [2023-11-29 04:46:11,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:11,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:11,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:11,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960902647] [2023-11-29 04:46:11,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960902647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:11,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:11,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:11,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870359163] [2023-11-29 04:46:11,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:11,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:11,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:11,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:11,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:11,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 228 [2023-11-29 04:46:11,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:11,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 228 [2023-11-29 04:46:11,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:11,758 INFO L124 PetriNetUnfolderBase]: 45/280 cut-off events. [2023-11-29 04:46:11,758 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-29 04:46:11,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 280 events. 45/280 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 623 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 328. Up to 96 conditions per place. [2023-11-29 04:46:11,761 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 20 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2023-11-29 04:46:11,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 167 transitions, 386 flow [2023-11-29 04:46:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 551 transitions. [2023-11-29 04:46:11,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2023-11-29 04:46:11,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 551 transitions. [2023-11-29 04:46:11,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 551 transitions. [2023-11-29 04:46:11,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:11,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 551 transitions. [2023-11-29 04:46:11,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,770 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,770 INFO L175 Difference]: Start difference. First operand has 171 places, 168 transitions, 344 flow. Second operand 3 states and 551 transitions. [2023-11-29 04:46:11,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 167 transitions, 386 flow [2023-11-29 04:46:11,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:11,774 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 342 flow [2023-11-29 04:46:11,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2023-11-29 04:46:11,776 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -34 predicate places. [2023-11-29 04:46:11,776 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 342 flow [2023-11-29 04:46:11,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,777 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:11,777 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:11,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:46:11,777 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:11,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 703289676, now seen corresponding path program 1 times [2023-11-29 04:46:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:11,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668312847] [2023-11-29 04:46:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:11,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:11,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668312847] [2023-11-29 04:46:11,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668312847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:11,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:11,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:11,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64748229] [2023-11-29 04:46:11,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:11,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:11,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:11,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:11,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:11,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-29 04:46:11,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:11,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-29 04:46:11,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:11,896 INFO L124 PetriNetUnfolderBase]: 45/279 cut-off events. [2023-11-29 04:46:11,896 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-29 04:46:11,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 279 events. 45/279 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 625 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 316. Up to 92 conditions per place. [2023-11-29 04:46:11,899 INFO L140 encePairwiseOnDemand]: 226/228 looper letters, 17 selfloop transitions, 1 changer transitions 0/166 dead transitions. [2023-11-29 04:46:11,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 376 flow [2023-11-29 04:46:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-11-29 04:46:11,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216374269005848 [2023-11-29 04:46:11,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-11-29 04:46:11,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-11-29 04:46:11,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:11,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-11-29 04:46:11,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,907 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 342 flow. Second operand 3 states and 562 transitions. [2023-11-29 04:46:11,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 376 flow [2023-11-29 04:46:11,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:11,911 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 338 flow [2023-11-29 04:46:11,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2023-11-29 04:46:11,912 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -35 predicate places. [2023-11-29 04:46:11,912 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 338 flow [2023-11-29 04:46:11,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:11,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:11,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:46:11,913 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:11,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:11,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1315724614, now seen corresponding path program 1 times [2023-11-29 04:46:11,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:11,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717861269] [2023-11-29 04:46:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:11,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:11,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717861269] [2023-11-29 04:46:11,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717861269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:11,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:11,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:11,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222362296] [2023-11-29 04:46:11,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:11,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:11,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:11,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:11,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:11,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-29 04:46:11,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:11,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:11,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-29 04:46:11,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:12,068 INFO L124 PetriNetUnfolderBase]: 58/334 cut-off events. [2023-11-29 04:46:12,068 INFO L125 PetriNetUnfolderBase]: For 16/77 co-relation queries the response was YES. [2023-11-29 04:46:12,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 334 events. 58/334 cut-off events. For 16/77 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 929 event pairs, 10 based on Foata normal form. 1/305 useless extension candidates. Maximal degree in co-relation 396. Up to 66 conditions per place. [2023-11-29 04:46:12,070 INFO L140 encePairwiseOnDemand]: 220/228 looper letters, 24 selfloop transitions, 7 changer transitions 0/178 dead transitions. [2023-11-29 04:46:12,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 178 transitions, 426 flow [2023-11-29 04:46:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2023-11-29 04:46:12,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8406432748538012 [2023-11-29 04:46:12,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2023-11-29 04:46:12,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2023-11-29 04:46:12,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:12,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2023-11-29 04:46:12,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,078 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 338 flow. Second operand 3 states and 575 transitions. [2023-11-29 04:46:12,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 178 transitions, 426 flow [2023-11-29 04:46:12,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 178 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:46:12,083 INFO L231 Difference]: Finished difference. Result has 171 places, 171 transitions, 387 flow [2023-11-29 04:46:12,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2023-11-29 04:46:12,084 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2023-11-29 04:46:12,085 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 387 flow [2023-11-29 04:46:12,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:12,085 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:12,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:46:12,086 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:12,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:12,086 INFO L85 PathProgramCache]: Analyzing trace with hash 876074070, now seen corresponding path program 1 times [2023-11-29 04:46:12,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:12,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745009559] [2023-11-29 04:46:12,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:12,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:12,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:12,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745009559] [2023-11-29 04:46:12,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745009559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:12,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:12,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:12,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645100707] [2023-11-29 04:46:12,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:12,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:12,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:12,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:12,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:12,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-29 04:46:12,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:12,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-29 04:46:12,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:12,256 INFO L124 PetriNetUnfolderBase]: 96/489 cut-off events. [2023-11-29 04:46:12,256 INFO L125 PetriNetUnfolderBase]: For 105/140 co-relation queries the response was YES. [2023-11-29 04:46:12,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 489 events. 96/489 cut-off events. For 105/140 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2047 event pairs, 17 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 767. Up to 105 conditions per place. [2023-11-29 04:46:12,260 INFO L140 encePairwiseOnDemand]: 224/228 looper letters, 37 selfloop transitions, 4 changer transitions 0/187 dead transitions. [2023-11-29 04:46:12,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 187 transitions, 537 flow [2023-11-29 04:46:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2023-11-29 04:46:12,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8391812865497076 [2023-11-29 04:46:12,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2023-11-29 04:46:12,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2023-11-29 04:46:12,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:12,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2023-11-29 04:46:12,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,267 INFO L175 Difference]: Start difference. First operand has 171 places, 171 transitions, 387 flow. Second operand 3 states and 574 transitions. [2023-11-29 04:46:12,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 187 transitions, 537 flow [2023-11-29 04:46:12,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 187 transitions, 511 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:12,273 INFO L231 Difference]: Finished difference. Result has 171 places, 171 transitions, 389 flow [2023-11-29 04:46:12,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2023-11-29 04:46:12,274 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2023-11-29 04:46:12,275 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 389 flow [2023-11-29 04:46:12,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:12,275 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:12,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:46:12,276 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:12,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:12,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1840115482, now seen corresponding path program 1 times [2023-11-29 04:46:12,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:12,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317796687] [2023-11-29 04:46:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:12,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:12,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317796687] [2023-11-29 04:46:12,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317796687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:12,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:12,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:12,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494520222] [2023-11-29 04:46:12,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:12,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:12,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:12,335 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-29 04:46:12,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:12,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-29 04:46:12,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:12,485 INFO L124 PetriNetUnfolderBase]: 113/717 cut-off events. [2023-11-29 04:46:12,485 INFO L125 PetriNetUnfolderBase]: For 127/207 co-relation queries the response was YES. [2023-11-29 04:46:12,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 717 events. 113/717 cut-off events. For 127/207 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4209 event pairs, 29 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 1046. Up to 156 conditions per place. [2023-11-29 04:46:12,491 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 39 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2023-11-29 04:46:12,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 188 transitions, 538 flow [2023-11-29 04:46:12,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2023-11-29 04:46:12,509 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2023-11-29 04:46:12,509 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 576 transitions. [2023-11-29 04:46:12,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 576 transitions. [2023-11-29 04:46:12,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:12,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 576 transitions. [2023-11-29 04:46:12,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,515 INFO L175 Difference]: Start difference. First operand has 171 places, 171 transitions, 389 flow. Second operand 3 states and 576 transitions. [2023-11-29 04:46:12,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 188 transitions, 538 flow [2023-11-29 04:46:12,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 188 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:46:12,522 INFO L231 Difference]: Finished difference. Result has 173 places, 173 transitions, 411 flow [2023-11-29 04:46:12,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=173, PETRI_TRANSITIONS=173} [2023-11-29 04:46:12,523 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -31 predicate places. [2023-11-29 04:46:12,523 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 173 transitions, 411 flow [2023-11-29 04:46:12,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:12,524 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:12,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:46:12,524 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:12,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash -688791290, now seen corresponding path program 1 times [2023-11-29 04:46:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:12,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360795428] [2023-11-29 04:46:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:12,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:12,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360795428] [2023-11-29 04:46:12,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360795428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:12,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:12,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:12,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373081935] [2023-11-29 04:46:12,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:12,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:12,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:12,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:12,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:12,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-29 04:46:12,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 173 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:12,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-29 04:46:12,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:12,737 INFO L124 PetriNetUnfolderBase]: 111/639 cut-off events. [2023-11-29 04:46:12,738 INFO L125 PetriNetUnfolderBase]: For 225/306 co-relation queries the response was YES. [2023-11-29 04:46:12,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 639 events. 111/639 cut-off events. For 225/306 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3496 event pairs, 44 based on Foata normal form. 3/592 useless extension candidates. Maximal degree in co-relation 1065. Up to 209 conditions per place. [2023-11-29 04:46:12,743 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 33 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2023-11-29 04:46:12,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 179 transitions, 510 flow [2023-11-29 04:46:12,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-29 04:46:12,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2023-11-29 04:46:12,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-29 04:46:12,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-29 04:46:12,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:12,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-29 04:46:12,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,751 INFO L175 Difference]: Start difference. First operand has 173 places, 173 transitions, 411 flow. Second operand 3 states and 567 transitions. [2023-11-29 04:46:12,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 179 transitions, 510 flow [2023-11-29 04:46:12,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 179 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:12,757 INFO L231 Difference]: Finished difference. Result has 172 places, 172 transitions, 405 flow [2023-11-29 04:46:12,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=172, PETRI_TRANSITIONS=172} [2023-11-29 04:46:12,758 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -32 predicate places. [2023-11-29 04:46:12,758 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 172 transitions, 405 flow [2023-11-29 04:46:12,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:12,759 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:12,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:46:12,759 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:12,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1865162042, now seen corresponding path program 1 times [2023-11-29 04:46:12,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:12,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367997980] [2023-11-29 04:46:12,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:12,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:12,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367997980] [2023-11-29 04:46:12,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367997980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:12,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:12,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:46:12,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578132624] [2023-11-29 04:46:12,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:12,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:46:12,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:12,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:46:12,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:46:12,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 228 [2023-11-29 04:46:12,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 172 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:12,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 228 [2023-11-29 04:46:12,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:12,953 INFO L124 PetriNetUnfolderBase]: 111/676 cut-off events. [2023-11-29 04:46:12,954 INFO L125 PetriNetUnfolderBase]: For 162/299 co-relation queries the response was YES. [2023-11-29 04:46:12,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 676 events. 111/676 cut-off events. For 162/299 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3835 event pairs, 33 based on Foata normal form. 4/617 useless extension candidates. Maximal degree in co-relation 1078. Up to 235 conditions per place. [2023-11-29 04:46:12,959 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 32 selfloop transitions, 4 changer transitions 3/179 dead transitions. [2023-11-29 04:46:12,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 179 transitions, 512 flow [2023-11-29 04:46:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:46:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:46:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-29 04:46:12,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8230994152046783 [2023-11-29 04:46:12,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-29 04:46:12,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-29 04:46:12,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:12,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-29 04:46:12,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,966 INFO L175 Difference]: Start difference. First operand has 172 places, 172 transitions, 405 flow. Second operand 3 states and 563 transitions. [2023-11-29 04:46:12,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 179 transitions, 512 flow [2023-11-29 04:46:12,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 179 transitions, 506 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:12,972 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 398 flow [2023-11-29 04:46:12,972 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2023-11-29 04:46:12,973 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -34 predicate places. [2023-11-29 04:46:12,973 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 398 flow [2023-11-29 04:46:12,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:12,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:12,974 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:12,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:46:12,974 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:12,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:12,974 INFO L85 PathProgramCache]: Analyzing trace with hash 542381798, now seen corresponding path program 1 times [2023-11-29 04:46:12,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:12,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123686947] [2023-11-29 04:46:12,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:13,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:13,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:13,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123686947] [2023-11-29 04:46:13,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123686947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:13,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:13,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:46:13,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132833155] [2023-11-29 04:46:13,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:13,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:46:13,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:46:13,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:46:13,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 228 [2023-11-29 04:46:13,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:13,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:13,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 228 [2023-11-29 04:46:13,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:14,337 INFO L124 PetriNetUnfolderBase]: 906/2006 cut-off events. [2023-11-29 04:46:14,337 INFO L125 PetriNetUnfolderBase]: For 1067/1067 co-relation queries the response was YES. [2023-11-29 04:46:14,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4522 conditions, 2006 events. 906/2006 cut-off events. For 1067/1067 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 12354 event pairs, 32 based on Foata normal form. 0/1947 useless extension candidates. Maximal degree in co-relation 4452. Up to 580 conditions per place. [2023-11-29 04:46:14,353 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 111 selfloop transitions, 4 changer transitions 0/250 dead transitions. [2023-11-29 04:46:14,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 250 transitions, 1002 flow [2023-11-29 04:46:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:46:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:46:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1116 transitions. [2023-11-29 04:46:14,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8157894736842105 [2023-11-29 04:46:14,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1116 transitions. [2023-11-29 04:46:14,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1116 transitions. [2023-11-29 04:46:14,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:14,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1116 transitions. [2023-11-29 04:46:14,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:14,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:14,366 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:14,366 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 398 flow. Second operand 6 states and 1116 transitions. [2023-11-29 04:46:14,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 250 transitions, 1002 flow [2023-11-29 04:46:14,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 250 transitions, 970 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:46:14,373 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 396 flow [2023-11-29 04:46:14,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2023-11-29 04:46:14,374 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -35 predicate places. [2023-11-29 04:46:14,374 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 396 flow [2023-11-29 04:46:14,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:14,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:46:14,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:14,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:46:14,375 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-29 04:46:14,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:46:14,376 INFO L85 PathProgramCache]: Analyzing trace with hash 822492349, now seen corresponding path program 1 times [2023-11-29 04:46:14,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:46:14,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803238039] [2023-11-29 04:46:14,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:46:14,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:46:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:46:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:46:15,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:46:15,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803238039] [2023-11-29 04:46:15,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803238039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:46:15,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:46:15,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:46:15,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713918367] [2023-11-29 04:46:15,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:46:15,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:46:15,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:46:15,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:46:15,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:46:15,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 228 [2023-11-29 04:46:15,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 177.16666666666666) internal successors, (1063), 6 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:15,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:46:15,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 228 [2023-11-29 04:46:15,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:46:15,483 INFO L124 PetriNetUnfolderBase]: 286/868 cut-off events. [2023-11-29 04:46:15,483 INFO L125 PetriNetUnfolderBase]: For 302/380 co-relation queries the response was YES. [2023-11-29 04:46:15,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1826 conditions, 868 events. 286/868 cut-off events. For 302/380 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4518 event pairs, 54 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 1756. Up to 242 conditions per place. [2023-11-29 04:46:15,485 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2023-11-29 04:46:15,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 209 transitions, 712 flow [2023-11-29 04:46:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:46:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:46:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2023-11-29 04:46:15,490 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.804093567251462 [2023-11-29 04:46:15,490 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2023-11-29 04:46:15,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2023-11-29 04:46:15,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:46:15,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2023-11-29 04:46:15,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:15,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:15,499 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:15,499 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 396 flow. Second operand 6 states and 1100 transitions. [2023-11-29 04:46:15,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 209 transitions, 712 flow [2023-11-29 04:46:15,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 209 transitions, 705 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:46:15,503 INFO L231 Difference]: Finished difference. Result has 169 places, 0 transitions, 0 flow [2023-11-29 04:46:15,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=169, PETRI_TRANSITIONS=0} [2023-11-29 04:46:15,503 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -35 predicate places. [2023-11-29 04:46:15,504 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 0 transitions, 0 flow [2023-11-29 04:46:15,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.16666666666666) internal successors, (1063), 6 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:46:15,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2023-11-29 04:46:15,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2023-11-29 04:46:15,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2023-11-29 04:46:15,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2023-11-29 04:46:15,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2023-11-29 04:46:15,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2023-11-29 04:46:15,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2023-11-29 04:46:15,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2023-11-29 04:46:15,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2023-11-29 04:46:15,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2023-11-29 04:46:15,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2023-11-29 04:46:15,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2023-11-29 04:46:15,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2023-11-29 04:46:15,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2023-11-29 04:46:15,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2023-11-29 04:46:15,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2023-11-29 04:46:15,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2023-11-29 04:46:15,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2023-11-29 04:46:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2023-11-29 04:46:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2023-11-29 04:46:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2023-11-29 04:46:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2023-11-29 04:46:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2023-11-29 04:46:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2023-11-29 04:46:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2023-11-29 04:46:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2023-11-29 04:46:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (24 of 57 remaining) [2023-11-29 04:46:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 57 remaining) [2023-11-29 04:46:15,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining) [2023-11-29 04:46:15,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 57 remaining) [2023-11-29 04:46:15,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 57 remaining) [2023-11-29 04:46:15,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining) [2023-11-29 04:46:15,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2023-11-29 04:46:15,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2023-11-29 04:46:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2023-11-29 04:46:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2023-11-29 04:46:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2023-11-29 04:46:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2023-11-29 04:46:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2023-11-29 04:46:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2023-11-29 04:46:15,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2023-11-29 04:46:15,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2023-11-29 04:46:15,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2023-11-29 04:46:15,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2023-11-29 04:46:15,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:46:15,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:46:15,522 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:46:15,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:46:15,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:46:15 BasicIcfg [2023-11-29 04:46:15,527 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:46:15,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:46:15,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:46:15,528 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:46:15,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:46:10" (3/4) ... [2023-11-29 04:46:15,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:46:15,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 04:46:15,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 04:46:15,539 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-29 04:46:15,539 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:46:15,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:46:15,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:46:15,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:46:15,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:46:15,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:46:15,625 INFO L158 Benchmark]: Toolchain (without parser) took 6518.92ms. Allocated memory was 136.3MB in the beginning and 247.5MB in the end (delta: 111.1MB). Free memory was 96.1MB in the beginning and 129.4MB in the end (delta: -33.3MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,626 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 106.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:46:15,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.35ms. Allocated memory is still 136.3MB. Free memory was 96.1MB in the beginning and 84.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.05ms. Allocated memory is still 136.3MB. Free memory was 84.2MB in the beginning and 81.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,627 INFO L158 Benchmark]: Boogie Preprocessor took 38.02ms. Allocated memory is still 136.3MB. Free memory was 81.8MB in the beginning and 80.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,628 INFO L158 Benchmark]: RCFGBuilder took 722.24ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 80.1MB in the beginning and 135.0MB in the end (delta: -54.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,628 INFO L158 Benchmark]: TraceAbstraction took 5360.17ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 134.0MB in the beginning and 135.7MB in the end (delta: -1.7MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,628 INFO L158 Benchmark]: Witness Printer took 97.17ms. Allocated memory is still 247.5MB. Free memory was 135.7MB in the beginning and 129.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:46:15,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 106.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.35ms. Allocated memory is still 136.3MB. Free memory was 96.1MB in the beginning and 84.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.05ms. Allocated memory is still 136.3MB. Free memory was 84.2MB in the beginning and 81.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.02ms. Allocated memory is still 136.3MB. Free memory was 81.8MB in the beginning and 80.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.24ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 80.1MB in the beginning and 135.0MB in the end (delta: -54.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5360.17ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 134.0MB in the beginning and 135.7MB in the end (delta: -1.7MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Witness Printer took 97.17ms. Allocated memory is still 247.5MB. Free memory was 135.7MB in the beginning and 129.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 64]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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 5 procedures, 263 locations, 57 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: 5.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 867 IncrementalHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 33 mSDtfsCounter, 867 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 1173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:46:15,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c4810d-1b93-4094-8b24-94f0b2cf2d01/bin/uautomizer-verify-BQ2R08f2Ya/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