./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:46:33,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:46:33,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:46:33,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:46:33,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:46:33,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:46:33,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:46:33,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:46:33,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:46:33,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:46:33,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:46:33,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:46:33,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:46:33,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:46:33,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:46:33,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:46:33,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:46:33,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:46:33,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:46:33,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:46:33,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:46:33,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:46:33,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:46:33,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:46:33,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:46:33,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:46:33,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:46:33,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:46:33,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:46:33,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:46:33,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:46:33,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:46:33,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:46:33,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:46:33,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:46:33,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:46:33,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:46:33,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:46:33,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:46:33,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:46:33,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:46:33,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:46:33,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:46:33,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:46:33,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:46:33,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:46:33,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:46:33,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:46:33,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:46:33,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:46:33,319 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:46:33,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:46:33,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:46:33,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:46:33,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:46:33,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:46:33,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:46:33,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:46:33,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:46:33,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:46:33,322 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:46:33,323 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:46:33,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:46:33,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:46:33,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:46:33,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:46:33,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:46:33,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:46:33,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:33,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:46:33,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:46:33,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:46:33,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:46:33,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:46:33,327 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:46:33,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:46:33,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:46:33,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-02 20:46:33,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:46:33,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:46:33,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:46:33,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:46:33,660 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:46:33,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-02 20:46:33,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/data/4c09b51f7/e5e32517a6c8465c82acfe3c00fc6b4e/FLAGf7a5104da [2022-11-02 20:46:34,345 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:46:34,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-02 20:46:34,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/data/4c09b51f7/e5e32517a6c8465c82acfe3c00fc6b4e/FLAGf7a5104da [2022-11-02 20:46:34,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/data/4c09b51f7/e5e32517a6c8465c82acfe3c00fc6b4e [2022-11-02 20:46:34,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:46:34,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:46:34,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:34,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:46:34,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:46:34,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:34" (1/1) ... [2022-11-02 20:46:34,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b1ca97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:34, skipping insertion in model container [2022-11-02 20:46:34,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:34" (1/1) ... [2022-11-02 20:46:34,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:46:34,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:46:35,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-02 20:46:35,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-02 20:46:35,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-02 20:46:35,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:35,219 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:46:35,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-02 20:46:35,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-02 20:46:35,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-02 20:46:35,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:35,363 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:46:35,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35 WrapperNode [2022-11-02 20:46:35,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:35,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:35,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:46:35,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:46:35,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,439 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 250 [2022-11-02 20:46:35,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:35,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:46:35,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:46:35,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:46:35,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,477 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:46:35,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:46:35,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:46:35,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:46:35,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (1/1) ... [2022-11-02 20:46:35,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:35,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:35,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_525cb6f4-2274-4779-aaff-8dfe9779f357/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:46:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:46:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-02 20:46:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-02 20:46:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-02 20:46:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-02 20:46:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:46:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:46:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:46:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:46:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:46:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:46:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:46:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:46:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:46:35,584 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:46:35,736 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:46:35,738 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:46:36,396 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:46:36,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:46:36,408 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:46:36,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:36 BoogieIcfgContainer [2022-11-02 20:46:36,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:46:36,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:46:36,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:46:36,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:46:36,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:46:34" (1/3) ... [2022-11-02 20:46:36,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1385026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:36, skipping insertion in model container [2022-11-02 20:46:36,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:35" (2/3) ... [2022-11-02 20:46:36,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1385026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:36, skipping insertion in model container [2022-11-02 20:46:36,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:36" (3/3) ... [2022-11-02 20:46:36,421 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-02 20:46:36,430 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:46:36,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:46:36,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-02 20:46:36,442 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:46:36,618 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:46:36,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 298 transitions, 612 flow [2022-11-02 20:46:36,904 INFO L130 PetriNetUnfolder]: 13/296 cut-off events. [2022-11-02 20:46:36,904 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:46:36,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 296 events. 13/296 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 783 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2022-11-02 20:46:36,916 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 298 transitions, 612 flow [2022-11-02 20:46:36,930 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 286 transitions, 581 flow [2022-11-02 20:46:36,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:46:36,957 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=LoopsAndPotentialCycles, 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;@744bfd07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:46:36,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-02 20:46:36,972 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-02 20:46:36,972 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:46:36,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:36,974 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] [2022-11-02 20:46:36,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:36,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:36,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1867308915, now seen corresponding path program 1 times [2022-11-02 20:46:36,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:36,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006871599] [2022-11-02 20:46:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:37,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:37,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006871599] [2022-11-02 20:46:37,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006871599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:37,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:37,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:37,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671455907] [2022-11-02 20:46:37,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:37,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:37,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:37,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:37,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:37,407 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 298 [2022-11-02 20:46:37,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 286 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:37,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:37,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 298 [2022-11-02 20:46:37,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:37,877 INFO L130 PetriNetUnfolder]: 116/1305 cut-off events. [2022-11-02 20:46:37,877 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-02 20:46:37,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1305 events. 116/1305 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8071 event pairs, 51 based on Foata normal form. 47/1081 useless extension candidates. Maximal degree in co-relation 1279. Up to 148 conditions per place. [2022-11-02 20:46:37,898 INFO L137 encePairwiseOnDemand]: 290/298 looper letters, 21 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-11-02 20:46:37,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 277 transitions, 609 flow [2022-11-02 20:46:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2022-11-02 20:46:37,924 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9217002237136466 [2022-11-02 20:46:37,925 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2022-11-02 20:46:37,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2022-11-02 20:46:37,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:37,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2022-11-02 20:46:37,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:37,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:37,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:37,954 INFO L175 Difference]: Start difference. First operand has 280 places, 286 transitions, 581 flow. Second operand 3 states and 824 transitions. [2022-11-02 20:46:37,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 277 transitions, 609 flow [2022-11-02 20:46:37,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 277 transitions, 604 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-02 20:46:37,977 INFO L231 Difference]: Finished difference. Result has 275 places, 277 transitions, 562 flow [2022-11-02 20:46:37,979 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=275, PETRI_TRANSITIONS=277} [2022-11-02 20:46:37,983 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -5 predicate places. [2022-11-02 20:46:37,984 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 277 transitions, 562 flow [2022-11-02 20:46:37,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:37,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:37,985 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] [2022-11-02 20:46:37,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:46:37,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:37,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1878517742, now seen corresponding path program 1 times [2022-11-02 20:46:37,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:37,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154933117] [2022-11-02 20:46:37,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:37,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:38,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154933117] [2022-11-02 20:46:38,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154933117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:38,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:38,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:38,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037087267] [2022-11-02 20:46:38,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:38,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:38,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:38,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:38,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:38,138 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 298 [2022-11-02 20:46:38,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 277 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:38,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 298 [2022-11-02 20:46:38,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:38,412 INFO L130 PetriNetUnfolder]: 122/1106 cut-off events. [2022-11-02 20:46:38,412 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-02 20:46:38,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 1106 events. 122/1106 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6661 event pairs, 63 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1276. Up to 181 conditions per place. [2022-11-02 20:46:38,426 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 27 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-02 20:46:38,427 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 276 transitions, 618 flow [2022-11-02 20:46:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2022-11-02 20:46:38,429 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9026845637583892 [2022-11-02 20:46:38,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2022-11-02 20:46:38,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2022-11-02 20:46:38,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:38,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2022-11-02 20:46:38,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,436 INFO L175 Difference]: Start difference. First operand has 275 places, 277 transitions, 562 flow. Second operand 3 states and 807 transitions. [2022-11-02 20:46:38,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 276 transitions, 618 flow [2022-11-02 20:46:38,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 276 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:38,443 INFO L231 Difference]: Finished difference. Result has 274 places, 276 transitions, 560 flow [2022-11-02 20:46:38,443 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=274, PETRI_TRANSITIONS=276} [2022-11-02 20:46:38,444 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -6 predicate places. [2022-11-02 20:46:38,444 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 276 transitions, 560 flow [2022-11-02 20:46:38,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:38,445 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] [2022-11-02 20:46:38,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:46:38,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1369265947, now seen corresponding path program 1 times [2022-11-02 20:46:38,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:38,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240923460] [2022-11-02 20:46:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:38,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240923460] [2022-11-02 20:46:38,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240923460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:38,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:38,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:38,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355870550] [2022-11-02 20:46:38,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:38,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:38,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:38,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:38,510 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-02 20:46:38,511 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 276 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,512 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:38,512 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-02 20:46:38,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:38,866 INFO L130 PetriNetUnfolder]: 103/1235 cut-off events. [2022-11-02 20:46:38,866 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-02 20:46:38,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 1235 events. 103/1235 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7251 event pairs, 28 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1344. Up to 113 conditions per place. [2022-11-02 20:46:38,886 INFO L137 encePairwiseOnDemand]: 287/298 looper letters, 22 selfloop transitions, 5 changer transitions 0/277 dead transitions. [2022-11-02 20:46:38,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 277 transitions, 618 flow [2022-11-02 20:46:38,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2022-11-02 20:46:38,890 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9161073825503355 [2022-11-02 20:46:38,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions. [2022-11-02 20:46:38,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions. [2022-11-02 20:46:38,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:38,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions. [2022-11-02 20:46:38,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,897 INFO L175 Difference]: Start difference. First operand has 274 places, 276 transitions, 560 flow. Second operand 3 states and 819 transitions. [2022-11-02 20:46:38,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 277 transitions, 618 flow [2022-11-02 20:46:38,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 277 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:38,903 INFO L231 Difference]: Finished difference. Result has 271 places, 274 transitions, 580 flow [2022-11-02 20:46:38,904 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=271, PETRI_TRANSITIONS=274} [2022-11-02 20:46:38,908 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -9 predicate places. [2022-11-02 20:46:38,908 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 274 transitions, 580 flow [2022-11-02 20:46:38,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:38,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:38,909 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] [2022-11-02 20:46:38,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:46:38,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash -94657469, now seen corresponding path program 1 times [2022-11-02 20:46:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:38,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855894585] [2022-11-02 20:46:38,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:38,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:39,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:39,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855894585] [2022-11-02 20:46:39,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855894585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:39,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:39,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:39,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541483524] [2022-11-02 20:46:39,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:39,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:39,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:39,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:39,031 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-02 20:46:39,033 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 274 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,033 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:39,033 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-02 20:46:39,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:39,187 INFO L130 PetriNetUnfolder]: 42/641 cut-off events. [2022-11-02 20:46:39,187 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-02 20:46:39,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 641 events. 42/641 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2557 event pairs, 14 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 658. Up to 70 conditions per place. [2022-11-02 20:46:39,195 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 18 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2022-11-02 20:46:39,196 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 273 transitions, 618 flow [2022-11-02 20:46:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 825 transitions. [2022-11-02 20:46:39,202 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9228187919463087 [2022-11-02 20:46:39,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 825 transitions. [2022-11-02 20:46:39,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 825 transitions. [2022-11-02 20:46:39,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:39,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 825 transitions. [2022-11-02 20:46:39,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,210 INFO L175 Difference]: Start difference. First operand has 271 places, 274 transitions, 580 flow. Second operand 3 states and 825 transitions. [2022-11-02 20:46:39,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 273 transitions, 618 flow [2022-11-02 20:46:39,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 273 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:39,224 INFO L231 Difference]: Finished difference. Result has 270 places, 273 transitions, 572 flow [2022-11-02 20:46:39,225 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=270, PETRI_TRANSITIONS=273} [2022-11-02 20:46:39,226 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-02 20:46:39,226 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 273 transitions, 572 flow [2022-11-02 20:46:39,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:39,228 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] [2022-11-02 20:46:39,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:46:39,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:39,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -209836349, now seen corresponding path program 1 times [2022-11-02 20:46:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:39,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387151930] [2022-11-02 20:46:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:39,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:39,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387151930] [2022-11-02 20:46:39,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387151930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:39,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:39,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:39,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108611272] [2022-11-02 20:46:39,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:39,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:39,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:39,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:39,311 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-02 20:46:39,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 273 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:39,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-02 20:46:39,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:39,568 INFO L130 PetriNetUnfolder]: 97/1287 cut-off events. [2022-11-02 20:46:39,569 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-02 20:46:39,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 1287 events. 97/1287 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7328 event pairs, 30 based on Foata normal form. 0/1047 useless extension candidates. Maximal degree in co-relation 1382. Up to 95 conditions per place. [2022-11-02 20:46:39,582 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2022-11-02 20:46:39,582 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 272 transitions, 604 flow [2022-11-02 20:46:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-02 20:46:39,585 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-02 20:46:39,585 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-02 20:46:39,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-02 20:46:39,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:39,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-02 20:46:39,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,591 INFO L175 Difference]: Start difference. First operand has 270 places, 273 transitions, 572 flow. Second operand 3 states and 831 transitions. [2022-11-02 20:46:39,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 272 transitions, 604 flow [2022-11-02 20:46:39,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 272 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:39,597 INFO L231 Difference]: Finished difference. Result has 269 places, 272 transitions, 570 flow [2022-11-02 20:46:39,597 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=269, PETRI_TRANSITIONS=272} [2022-11-02 20:46:39,598 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -11 predicate places. [2022-11-02 20:46:39,598 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 272 transitions, 570 flow [2022-11-02 20:46:39,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:39,599 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] [2022-11-02 20:46:39,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:46:39,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:39,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:39,600 INFO L85 PathProgramCache]: Analyzing trace with hash -784374040, now seen corresponding path program 1 times [2022-11-02 20:46:39,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:39,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672306102] [2022-11-02 20:46:39,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:39,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:39,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:39,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672306102] [2022-11-02 20:46:39,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672306102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:39,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:39,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:39,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095610075] [2022-11-02 20:46:39,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:39,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:39,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:39,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:39,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:39,648 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-02 20:46:39,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:39,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-02 20:46:39,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:39,933 INFO L130 PetriNetUnfolder]: 98/1318 cut-off events. [2022-11-02 20:46:39,933 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-02 20:46:39,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1318 events. 98/1318 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7785 event pairs, 29 based on Foata normal form. 0/1082 useless extension candidates. Maximal degree in co-relation 1407. Up to 101 conditions per place. [2022-11-02 20:46:39,946 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2022-11-02 20:46:39,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 271 transitions, 602 flow [2022-11-02 20:46:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-02 20:46:39,949 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-02 20:46:39,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-02 20:46:39,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-02 20:46:39,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:39,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-02 20:46:39,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,955 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 570 flow. Second operand 3 states and 831 transitions. [2022-11-02 20:46:39,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 271 transitions, 602 flow [2022-11-02 20:46:39,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 271 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:39,961 INFO L231 Difference]: Finished difference. Result has 268 places, 271 transitions, 568 flow [2022-11-02 20:46:39,961 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=268, PETRI_TRANSITIONS=271} [2022-11-02 20:46:39,962 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -12 predicate places. [2022-11-02 20:46:39,962 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 271 transitions, 568 flow [2022-11-02 20:46:39,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:39,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:39,963 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] [2022-11-02 20:46:39,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:46:39,963 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:39,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:39,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1343965613, now seen corresponding path program 1 times [2022-11-02 20:46:39,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:39,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464307567] [2022-11-02 20:46:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:39,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:40,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:40,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464307567] [2022-11-02 20:46:40,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464307567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:40,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:40,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:40,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306378865] [2022-11-02 20:46:40,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:40,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:40,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:40,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:40,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:40,030 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-02 20:46:40,032 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 271 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:40,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:40,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-02 20:46:40,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:40,365 INFO L130 PetriNetUnfolder]: 119/1636 cut-off events. [2022-11-02 20:46:40,366 INFO L131 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2022-11-02 20:46:40,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1636 events. 119/1636 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10956 event pairs, 22 based on Foata normal form. 1/1347 useless extension candidates. Maximal degree in co-relation 1755. Up to 83 conditions per place. [2022-11-02 20:46:40,387 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 18 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2022-11-02 20:46:40,388 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 279 transitions, 631 flow [2022-11-02 20:46:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2022-11-02 20:46:40,391 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9451901565995525 [2022-11-02 20:46:40,391 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 845 transitions. [2022-11-02 20:46:40,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 845 transitions. [2022-11-02 20:46:40,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:40,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 845 transitions. [2022-11-02 20:46:40,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:40,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:40,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:40,397 INFO L175 Difference]: Start difference. First operand has 268 places, 271 transitions, 568 flow. Second operand 3 states and 845 transitions. [2022-11-02 20:46:40,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 279 transitions, 631 flow [2022-11-02 20:46:40,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 279 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:40,409 INFO L231 Difference]: Finished difference. Result has 270 places, 275 transitions, 598 flow [2022-11-02 20:46:40,410 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=270, PETRI_TRANSITIONS=275} [2022-11-02 20:46:40,411 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-02 20:46:40,411 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 275 transitions, 598 flow [2022-11-02 20:46:40,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:40,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:40,414 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] [2022-11-02 20:46:40,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:46:40,415 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:40,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:40,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1907799492, now seen corresponding path program 1 times [2022-11-02 20:46:40,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:40,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840459617] [2022-11-02 20:46:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:40,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:40,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:40,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840459617] [2022-11-02 20:46:40,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840459617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:40,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:40,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:46:40,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585285308] [2022-11-02 20:46:40,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:40,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:46:40,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:46:40,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:46:40,946 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-02 20:46:40,948 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 275 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:40,948 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:40,948 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-02 20:46:40,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:42,394 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [225#L765-7true, 101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,394 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-02 20:46:42,395 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-02 20:46:42,395 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-02 20:46:42,395 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-02 20:46:42,421 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [51#L766-5true, Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,422 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-02 20:46:42,422 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-02 20:46:42,422 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-02 20:46:42,422 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-02 20:46:42,422 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [225#L765-7true, 101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,423 INFO L383 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-11-02 20:46:42,423 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-02 20:46:42,423 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-02 20:46:42,423 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-02 20:46:42,423 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-02 20:46:42,423 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 44#L766-3true, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,424 INFO L383 tUnfolder$Statistics]: this new event has 189 ancestors and is cut-off event [2022-11-02 20:46:42,424 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-02 20:46:42,424 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-02 20:46:42,424 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-02 20:46:42,424 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 74#L766-2true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,425 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-02 20:46:42,425 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-02 20:46:42,425 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-02 20:46:42,425 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-02 20:46:42,425 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 148#L766-4true, 321#true]) [2022-11-02 20:46:42,425 INFO L383 tUnfolder$Statistics]: this new event has 190 ancestors and is cut-off event [2022-11-02 20:46:42,426 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-02 20:46:42,426 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-02 20:46:42,426 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-02 20:46:42,426 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 141#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,426 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-02 20:46:42,426 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-02 20:46:42,427 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-02 20:46:42,427 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-02 20:46:42,427 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 245#L766-6true, 321#true]) [2022-11-02 20:46:42,427 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-02 20:46:42,427 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-02 20:46:42,427 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-02 20:46:42,428 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-02 20:46:42,493 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 74#L766-2true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,493 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-02 20:46:42,494 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-02 20:46:42,494 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-02 20:46:42,494 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-02 20:46:42,494 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-02 20:46:42,521 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 44#L766-3true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,521 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-02 20:46:42,521 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-02 20:46:42,521 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-02 20:46:42,522 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-02 20:46:42,522 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-02 20:46:42,549 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 148#L766-4true, 321#true]) [2022-11-02 20:46:42,549 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-02 20:46:42,549 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-02 20:46:42,549 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-02 20:46:42,549 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-02 20:46:42,549 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-02 20:46:42,580 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [51#L766-5true, Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,580 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-02 20:46:42,581 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-02 20:46:42,581 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-02 20:46:42,581 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-02 20:46:42,581 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-02 20:46:42,618 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 141#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-02 20:46:42,618 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-02 20:46:42,618 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-02 20:46:42,619 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-02 20:46:42,619 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-02 20:46:42,619 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-02 20:46:42,620 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][239], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 245#L766-6true, 321#true]) [2022-11-02 20:46:42,620 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-02 20:46:42,620 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-02 20:46:42,620 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-02 20:46:42,620 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-02 20:46:42,620 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-02 20:46:43,892 INFO L130 PetriNetUnfolder]: 1659/12254 cut-off events. [2022-11-02 20:46:43,892 INFO L131 PetriNetUnfolder]: For 190/444 co-relation queries the response was YES. [2022-11-02 20:46:43,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15114 conditions, 12254 events. 1659/12254 cut-off events. For 190/444 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 141276 event pairs, 276 based on Foata normal form. 68/9932 useless extension candidates. Maximal degree in co-relation 10166. Up to 1045 conditions per place. [2022-11-02 20:46:44,051 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 51 selfloop transitions, 9 changer transitions 0/310 dead transitions. [2022-11-02 20:46:44,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 310 transitions, 789 flow [2022-11-02 20:46:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:46:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:46:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1633 transitions. [2022-11-02 20:46:44,055 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9133109619686801 [2022-11-02 20:46:44,056 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1633 transitions. [2022-11-02 20:46:44,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1633 transitions. [2022-11-02 20:46:44,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:44,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1633 transitions. [2022-11-02 20:46:44,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.1666666666667) internal successors, (1633), 6 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:44,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:44,065 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:44,066 INFO L175 Difference]: Start difference. First operand has 270 places, 275 transitions, 598 flow. Second operand 6 states and 1633 transitions. [2022-11-02 20:46:44,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 310 transitions, 789 flow [2022-11-02 20:46:44,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 310 transitions, 781 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:44,074 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 654 flow [2022-11-02 20:46:44,075 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-02 20:46:44,076 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-02 20:46:44,076 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 654 flow [2022-11-02 20:46:44,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:44,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:44,077 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] [2022-11-02 20:46:44,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:46:44,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1925551866, now seen corresponding path program 1 times [2022-11-02 20:46:44,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:44,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447858009] [2022-11-02 20:46:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:44,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:44,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:44,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447858009] [2022-11-02 20:46:44,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447858009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:44,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:44,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:44,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502549374] [2022-11-02 20:46:44,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:44,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:44,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:44,176 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-02 20:46:44,177 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:44,177 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:44,177 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-02 20:46:44,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:46,351 INFO L130 PetriNetUnfolder]: 868/11048 cut-off events. [2022-11-02 20:46:46,351 INFO L131 PetriNetUnfolder]: For 121/154 co-relation queries the response was YES. [2022-11-02 20:46:46,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12785 conditions, 11048 events. 868/11048 cut-off events. For 121/154 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 132512 event pairs, 160 based on Foata normal form. 0/9106 useless extension candidates. Maximal degree in co-relation 11536. Up to 492 conditions per place. [2022-11-02 20:46:46,487 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 17 selfloop transitions, 4 changer transitions 0/290 dead transitions. [2022-11-02 20:46:46,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 290 transitions, 711 flow [2022-11-02 20:46:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2022-11-02 20:46:46,491 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9440715883668904 [2022-11-02 20:46:46,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 844 transitions. [2022-11-02 20:46:46,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 844 transitions. [2022-11-02 20:46:46,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:46,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 844 transitions. [2022-11-02 20:46:46,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:46,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:46,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:46,497 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 654 flow. Second operand 3 states and 844 transitions. [2022-11-02 20:46:46,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 290 transitions, 711 flow [2022-11-02 20:46:46,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 290 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:46:46,507 INFO L231 Difference]: Finished difference. Result has 282 places, 287 transitions, 688 flow [2022-11-02 20:46:46,508 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=282, PETRI_TRANSITIONS=287} [2022-11-02 20:46:46,509 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 2 predicate places. [2022-11-02 20:46:46,510 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 287 transitions, 688 flow [2022-11-02 20:46:46,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:46,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:46,511 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] [2022-11-02 20:46:46,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:46:46,511 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1592472893, now seen corresponding path program 1 times [2022-11-02 20:46:46,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:46,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844901056] [2022-11-02 20:46:46,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:46,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:46,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:46,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844901056] [2022-11-02 20:46:46,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844901056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:46,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:46,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:46,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588051532] [2022-11-02 20:46:46,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:46,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:46,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:46,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:46,587 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-02 20:46:46,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 287 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:46,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:46,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-02 20:46:46,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:49,749 INFO L130 PetriNetUnfolder]: 1225/15406 cut-off events. [2022-11-02 20:46:49,749 INFO L131 PetriNetUnfolder]: For 304/331 co-relation queries the response was YES. [2022-11-02 20:46:49,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18341 conditions, 15406 events. 1225/15406 cut-off events. For 304/331 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 192094 event pairs, 417 based on Foata normal form. 0/12934 useless extension candidates. Maximal degree in co-relation 18100. Up to 1071 conditions per place. [2022-11-02 20:46:50,014 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 17 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-02 20:46:50,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 286 transitions, 727 flow [2022-11-02 20:46:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2022-11-02 20:46:50,017 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9261744966442953 [2022-11-02 20:46:50,017 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2022-11-02 20:46:50,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2022-11-02 20:46:50,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:50,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2022-11-02 20:46:50,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:50,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:50,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:50,023 INFO L175 Difference]: Start difference. First operand has 282 places, 287 transitions, 688 flow. Second operand 3 states and 828 transitions. [2022-11-02 20:46:50,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 286 transitions, 727 flow [2022-11-02 20:46:50,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 719 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:46:50,033 INFO L231 Difference]: Finished difference. Result has 278 places, 284 transitions, 684 flow [2022-11-02 20:46:50,035 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=278, PETRI_TRANSITIONS=284} [2022-11-02 20:46:50,037 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-02 20:46:50,037 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 284 transitions, 684 flow [2022-11-02 20:46:50,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:50,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:50,038 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] [2022-11-02 20:46:50,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:46:50,038 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:50,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:50,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1271862202, now seen corresponding path program 1 times [2022-11-02 20:46:50,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:50,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061361688] [2022-11-02 20:46:50,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:50,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:50,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:50,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061361688] [2022-11-02 20:46:50,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061361688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:50,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:50,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:46:50,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792018564] [2022-11-02 20:46:50,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:50,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:50,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:50,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:50,112 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-02 20:46:50,113 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 284 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:50,113 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:50,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-02 20:46:50,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:53,303 INFO L130 PetriNetUnfolder]: 1396/16208 cut-off events. [2022-11-02 20:46:53,303 INFO L131 PetriNetUnfolder]: For 279/319 co-relation queries the response was YES. [2022-11-02 20:46:53,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19655 conditions, 16208 events. 1396/16208 cut-off events. For 279/319 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 205467 event pairs, 219 based on Foata normal form. 0/13778 useless extension candidates. Maximal degree in co-relation 19559. Up to 809 conditions per place. [2022-11-02 20:46:53,548 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 13 selfloop transitions, 4 changer transitions 0/284 dead transitions. [2022-11-02 20:46:53,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 284 transitions, 719 flow [2022-11-02 20:46:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2022-11-02 20:46:53,552 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9317673378076062 [2022-11-02 20:46:53,552 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2022-11-02 20:46:53,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2022-11-02 20:46:53,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:53,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2022-11-02 20:46:53,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:53,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:53,559 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:53,559 INFO L175 Difference]: Start difference. First operand has 278 places, 284 transitions, 684 flow. Second operand 3 states and 833 transitions. [2022-11-02 20:46:53,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 284 transitions, 719 flow [2022-11-02 20:46:53,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 284 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:46:53,568 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 698 flow [2022-11-02 20:46:53,569 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-02 20:46:53,570 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-02 20:46:53,570 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 698 flow [2022-11-02 20:46:53,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:53,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:53,571 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] [2022-11-02 20:46:53,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:46:53,571 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:53,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:53,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1756992622, now seen corresponding path program 1 times [2022-11-02 20:46:53,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:53,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116174481] [2022-11-02 20:46:53,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:53,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:53,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116174481] [2022-11-02 20:46:53,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116174481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:53,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:53,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:46:53,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860936350] [2022-11-02 20:46:53,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:53,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:53,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:53,706 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2022-11-02 20:46:53,708 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:53,708 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:53,708 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2022-11-02 20:46:53,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:55,453 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L734-2-->L734-3: Formula: (= |v_t1Thread1of1ForFork1_#t~nondet16#1_3| |v_#race~receive~0_4|) InVars {t1Thread1of1ForFork1_#t~nondet16#1=|v_t1Thread1of1ForFork1_#t~nondet16#1_3|} OutVars{#race~receive~0=|v_#race~receive~0_4|, t1Thread1of1ForFork1_#t~nondet16#1=|v_t1Thread1of1ForFork1_#t~nondet16#1_3|} AuxVars[] AssignedVars[#race~receive~0][269], [Black: 350#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 63#L764-4true, 352#(= |#race~first~0| 0), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 106#L734-3true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 341#(= |#race~receive~0| 0), 11#L750-2true, 327#true, Black: 345#true, 355#true]) [2022-11-02 20:46:55,453 INFO L383 tUnfolder$Statistics]: this new event has 209 ancestors and is cut-off event [2022-11-02 20:46:55,453 INFO L386 tUnfolder$Statistics]: existing Event has 162 ancestors and is cut-off event [2022-11-02 20:46:55,453 INFO L386 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-11-02 20:46:55,453 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-11-02 20:46:55,635 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([834] L751-2-->L751-3: Formula: (= |v_t2Thread1of1ForFork0_#t~nondet21#1_3| |v_#race~send~0_10|) InVars {t2Thread1of1ForFork0_#t~nondet21#1=|v_t2Thread1of1ForFork0_#t~nondet21#1_3|} OutVars{t2Thread1of1ForFork0_#t~nondet21#1=|v_t2Thread1of1ForFork0_#t~nondet21#1_3|, #race~send~0=|v_#race~send~0_10|} AuxVars[] AssignedVars[#race~send~0][260], [289#L733-3true, Black: 350#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 63#L764-4true, 352#(= |#race~first~0| 0), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 217#L751-3true, Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 341#(= |#race~receive~0| 0), 327#true, Black: 345#true, 355#true]) [2022-11-02 20:46:55,636 INFO L383 tUnfolder$Statistics]: this new event has 209 ancestors and is cut-off event [2022-11-02 20:46:55,636 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-11-02 20:46:55,636 INFO L386 tUnfolder$Statistics]: existing Event has 162 ancestors and is cut-off event [2022-11-02 20:46:55,636 INFO L386 tUnfolder$Statistics]: existing Event has 199 ancestors and is cut-off event [2022-11-02 20:46:58,306 INFO L130 PetriNetUnfolder]: 1806/22587 cut-off events. [2022-11-02 20:46:58,306 INFO L131 PetriNetUnfolder]: For 236/273 co-relation queries the response was YES. [2022-11-02 20:46:58,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28099 conditions, 22587 events. 1806/22587 cut-off events. For 236/273 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 306979 event pairs, 284 based on Foata normal form. 0/19210 useless extension candidates. Maximal degree in co-relation 27359. Up to 930 conditions per place. [2022-11-02 20:46:58,628 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 19 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2022-11-02 20:46:58,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 291 transitions, 758 flow [2022-11-02 20:46:58,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:46:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:46:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 850 transitions. [2022-11-02 20:46:58,631 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9507829977628636 [2022-11-02 20:46:58,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 850 transitions. [2022-11-02 20:46:58,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 850 transitions. [2022-11-02 20:46:58,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:46:58,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 850 transitions. [2022-11-02 20:46:58,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 283.3333333333333) internal successors, (850), 3 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:58,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:58,641 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:58,641 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 698 flow. Second operand 3 states and 850 transitions. [2022-11-02 20:46:58,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 291 transitions, 758 flow [2022-11-02 20:46:58,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 291 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:46:58,650 INFO L231 Difference]: Finished difference. Result has 280 places, 284 transitions, 706 flow [2022-11-02 20:46:58,650 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=280, PETRI_TRANSITIONS=284} [2022-11-02 20:46:58,651 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 0 predicate places. [2022-11-02 20:46:58,651 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 284 transitions, 706 flow [2022-11-02 20:46:58,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:58,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:46:58,652 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] [2022-11-02 20:46:58,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:46:58,653 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:46:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:58,653 INFO L85 PathProgramCache]: Analyzing trace with hash 792791564, now seen corresponding path program 1 times [2022-11-02 20:46:58,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:58,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279654565] [2022-11-02 20:46:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:58,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:46:58,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:58,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279654565] [2022-11-02 20:46:58,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279654565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:58,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:58,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:46:58,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143531900] [2022-11-02 20:46:58,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:58,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:46:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:58,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:46:58,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:46:58,713 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-02 20:46:58,714 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 284 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:46:58,714 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:46:58,714 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-02 20:46:58,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:46:59,545 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([789] L696-6-->L696-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][235], [Black: 350#true, 220#L696-7true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 63#L764-4true, Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 198#L708-3true, 360#true, 327#true, Black: 345#true, 355#true]) [2022-11-02 20:46:59,546 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2022-11-02 20:46:59,546 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-02 20:46:59,546 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-02 20:46:59,546 INFO L386 tUnfolder$Statistics]: existing Event has 160 ancestors and is cut-off event [2022-11-02 20:47:03,513 INFO L130 PetriNetUnfolder]: 1823/23980 cut-off events. [2022-11-02 20:47:03,513 INFO L131 PetriNetUnfolder]: For 120/158 co-relation queries the response was YES. [2022-11-02 20:47:03,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29286 conditions, 23980 events. 1823/23980 cut-off events. For 120/158 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 328406 event pairs, 297 based on Foata normal form. 0/20583 useless extension candidates. Maximal degree in co-relation 20306. Up to 892 conditions per place. [2022-11-02 20:47:03,932 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2022-11-02 20:47:03,932 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 286 transitions, 740 flow [2022-11-02 20:47:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:47:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:47:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-02 20:47:03,938 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-02 20:47:03,938 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-02 20:47:03,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-02 20:47:03,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:47:03,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-02 20:47:03,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:03,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:03,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:03,955 INFO L175 Difference]: Start difference. First operand has 280 places, 284 transitions, 706 flow. Second operand 3 states and 846 transitions. [2022-11-02 20:47:03,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 286 transitions, 740 flow [2022-11-02 20:47:03,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 286 transitions, 738 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:47:03,972 INFO L231 Difference]: Finished difference. Result has 283 places, 285 transitions, 722 flow [2022-11-02 20:47:03,972 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=283, PETRI_TRANSITIONS=285} [2022-11-02 20:47:03,975 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 3 predicate places. [2022-11-02 20:47:03,976 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 285 transitions, 722 flow [2022-11-02 20:47:03,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:03,978 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:47:03,978 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] [2022-11-02 20:47:03,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:47:03,979 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:47:03,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash -74491279, now seen corresponding path program 1 times [2022-11-02 20:47:03,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:03,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534699555] [2022-11-02 20:47:03,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:03,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:04,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534699555] [2022-11-02 20:47:04,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534699555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:04,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:04,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:47:04,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451496395] [2022-11-02 20:47:04,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:04,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:47:04,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:04,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:47:04,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:47:04,045 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 298 [2022-11-02 20:47:04,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 285 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:04,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:47:04,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 298 [2022-11-02 20:47:04,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:47:12,853 INFO L130 PetriNetUnfolder]: 4611/48116 cut-off events. [2022-11-02 20:47:12,854 INFO L131 PetriNetUnfolder]: For 614/703 co-relation queries the response was YES. [2022-11-02 20:47:13,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61088 conditions, 48116 events. 4611/48116 cut-off events. For 614/703 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 758447 event pairs, 730 based on Foata normal form. 0/41636 useless extension candidates. Maximal degree in co-relation 51808. Up to 1754 conditions per place. [2022-11-02 20:47:13,716 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 12 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2022-11-02 20:47:13,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 765 flow [2022-11-02 20:47:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:47:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:47:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2022-11-02 20:47:13,720 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9574944071588367 [2022-11-02 20:47:13,720 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2022-11-02 20:47:13,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2022-11-02 20:47:13,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:47:13,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2022-11-02 20:47:13,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:13,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:13,726 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:13,727 INFO L175 Difference]: Start difference. First operand has 283 places, 285 transitions, 722 flow. Second operand 3 states and 856 transitions. [2022-11-02 20:47:13,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 765 flow [2022-11-02 20:47:13,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:47:13,782 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 742 flow [2022-11-02 20:47:13,783 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2022-11-02 20:47:13,783 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 5 predicate places. [2022-11-02 20:47:13,783 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 742 flow [2022-11-02 20:47:13,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:13,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:47:13,784 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] [2022-11-02 20:47:13,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:47:13,785 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:47:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:13,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1133295446, now seen corresponding path program 1 times [2022-11-02 20:47:13,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:13,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33229261] [2022-11-02 20:47:13,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:13,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:13,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:13,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33229261] [2022-11-02 20:47:13,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33229261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:13,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:13,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:47:13,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117813663] [2022-11-02 20:47:13,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:13,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:47:13,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:13,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:47:13,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:47:13,839 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-02 20:47:13,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:13,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:47:13,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-02 20:47:13,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:47:21,873 INFO L130 PetriNetUnfolder]: 3825/42619 cut-off events. [2022-11-02 20:47:21,873 INFO L131 PetriNetUnfolder]: For 1139/1225 co-relation queries the response was YES. [2022-11-02 20:47:22,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56813 conditions, 42619 events. 3825/42619 cut-off events. For 1139/1225 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 668037 event pairs, 760 based on Foata normal form. 0/37208 useless extension candidates. Maximal degree in co-relation 56714. Up to 2540 conditions per place. [2022-11-02 20:47:22,413 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/289 dead transitions. [2022-11-02 20:47:22,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 289 transitions, 771 flow [2022-11-02 20:47:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:47:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:47:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-02 20:47:22,416 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-02 20:47:22,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-02 20:47:22,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-02 20:47:22,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:47:22,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-02 20:47:22,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:22,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:22,422 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:22,422 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 742 flow. Second operand 3 states and 846 transitions. [2022-11-02 20:47:22,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 289 transitions, 771 flow [2022-11-02 20:47:22,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 289 transitions, 763 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-02 20:47:22,461 INFO L231 Difference]: Finished difference. Result has 287 places, 288 transitions, 748 flow [2022-11-02 20:47:22,462 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=287, PETRI_TRANSITIONS=288} [2022-11-02 20:47:22,463 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 7 predicate places. [2022-11-02 20:47:22,463 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 288 transitions, 748 flow [2022-11-02 20:47:22,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:22,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:47:22,464 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] [2022-11-02 20:47:22,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:47:22,464 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-02 20:47:22,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:22,465 INFO L85 PathProgramCache]: Analyzing trace with hash 441405150, now seen corresponding path program 1 times [2022-11-02 20:47:22,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:22,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269010082] [2022-11-02 20:47:22,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:22,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:22,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269010082] [2022-11-02 20:47:22,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269010082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:22,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:22,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:47:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406954042] [2022-11-02 20:47:22,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:22,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:47:22,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:47:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:47:22,668 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 298 [2022-11-02 20:47:22,669 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 288 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:47:22,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:47:22,670 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 298 [2022-11-02 20:47:22,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:47:25,232 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][108], [350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 63#L764-4true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 260#L746-1true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 106#L734-3true, Black: 368#(= |#race~value~0| 0), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true, 327#true]) [2022-11-02 20:47:25,232 INFO L383 tUnfolder$Statistics]: this new event has 162 ancestors and is cut-off event [2022-11-02 20:47:25,232 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-02 20:47:25,232 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-02 20:47:25,233 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-02 20:47:26,077 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][108], [350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 63#L764-4true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 260#L746-1true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 368#(= |#race~value~0| 0), 106#L734-3true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 327#true, Black: 345#true]) [2022-11-02 20:47:26,077 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-02 20:47:26,077 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-02 20:47:26,078 INFO L386 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2022-11-02 20:47:26,078 INFO L386 tUnfolder$Statistics]: existing Event has 159 ancestors and is cut-off event [2022-11-02 20:47:31,759 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 16#L748-6true, 166#L765-2true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 327#true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-02 20:47:31,760 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-02 20:47:31,760 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-02 20:47:31,760 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-02 20:47:31,760 INFO L386 tUnfolder$Statistics]: existing Event has 155 ancestors and is cut-off event [2022-11-02 20:47:32,033 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, 191#L765-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 345#true]) [2022-11-02 20:47:32,033 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-02 20:47:32,033 INFO L386 tUnfolder$Statistics]: existing Event has 156 ancestors and is cut-off event [2022-11-02 20:47:32,034 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-02 20:47:32,034 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-02 20:47:32,686 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, 72#L765-4true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-02 20:47:32,686 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-02 20:47:32,686 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-02 20:47:32,687 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-02 20:47:32,687 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-02 20:47:33,069 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 327#true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 27#L765-5true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-02 20:47:33,069 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-02 20:47:33,069 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-02 20:47:33,069 INFO L386 tUnfolder$Statistics]: existing Event has 158 ancestors and is cut-off event [2022-11-02 20:47:33,070 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-02 20:47:35,666 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, 166#L765-2true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 327#true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-02 20:47:35,666 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-02 20:47:35,666 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-02 20:47:35,666 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-11-02 20:47:35,666 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-02 20:47:35,992 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 191#L765-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 345#true]) [2022-11-02 20:47:35,993 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-02 20:47:35,993 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-02 20:47:35,993 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2022-11-02 20:47:35,993 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-02 20:47:36,678 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, 72#L765-4true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-02 20:47:36,678 INFO L383 tUnfolder$Statistics]: this new event has 204 ancestors and is cut-off event [2022-11-02 20:47:36,678 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-02 20:47:36,678 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2022-11-02 20:47:36,678 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-02 20:47:37,029 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 327#true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 27#L765-5true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-02 20:47:37,029 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-11-02 20:47:37,029 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-02 20:47:37,030 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-02 20:47:37,030 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event