./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 --- 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 [2022-11-03 03:49:16,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:49:16,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:49:16,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:49:16,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:49:16,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:49:16,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:49:16,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:49:16,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:49:16,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:49:16,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:49:16,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:49:16,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:49:16,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:49:16,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:49:16,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:49:16,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:49:16,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:49:16,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:49:16,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:49:16,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:49:16,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:49:16,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:49:16,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:49:16,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:49:16,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:49:16,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:49:16,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:49:16,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:49:16,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:49:16,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:49:16,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:49:16,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:49:16,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:49:16,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:49:16,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:49:16,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:49:16,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:49:16,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:49:16,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:49:16,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:49:16,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:49:16,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:49:16,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:49:16,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:49:16,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:49:16,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:49:16,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:49:16,448 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:49:16,448 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:49:16,449 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:49:16,449 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:49:16,449 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:49:16,450 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:49:16,450 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:49:16,450 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:49:16,451 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:49:16,451 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:49:16,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:49:16,452 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:49:16,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:49:16,453 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:49:16,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:49:16,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:49:16,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:49:16,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:49:16,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:49:16,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:49:16,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:49:16,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:49:16,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:49:16,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:49:16,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:49:16,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:49:16,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:16,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:49:16,457 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:49:16,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:49:16,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:49:16,458 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:49:16,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:49:16,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:49:16,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:49:16,459 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 [2022-11-03 03:49:16,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:49:16,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:49:16,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:49:16,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:49:16,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:49:16,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2022-11-03 03:49:16,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/data/d7845ae21/d8a3b9f85b8d48f19d0514abf78a50c5/FLAGded0b0d5d [2022-11-03 03:49:17,499 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:49:17,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2022-11-03 03:49:17,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/data/d7845ae21/d8a3b9f85b8d48f19d0514abf78a50c5/FLAGded0b0d5d [2022-11-03 03:49:17,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/data/d7845ae21/d8a3b9f85b8d48f19d0514abf78a50c5 [2022-11-03 03:49:17,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:49:17,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:49:17,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:17,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:49:17,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:49:17,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:17" (1/1) ... [2022-11-03 03:49:17,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58825d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:17, skipping insertion in model container [2022-11-03 03:49:17,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:17" (1/1) ... [2022-11-03 03:49:17,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:49:17,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:49:18,246 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[30327,30340] [2022-11-03 03:49:18,251 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[30457,30470] [2022-11-03 03:49:18,256 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[30859,30872] [2022-11-03 03:49:18,261 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[31417,31430] [2022-11-03 03:49:18,264 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[31600,31613] [2022-11-03 03:49:18,266 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[31761,31774] [2022-11-03 03:49:18,270 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[32305,32318] [2022-11-03 03:49:18,272 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[32447,32460] [2022-11-03 03:49:18,277 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[33033,33046] [2022-11-03 03:49:18,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:18,292 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:49:18,352 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[30327,30340] [2022-11-03 03:49:18,357 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[30457,30470] [2022-11-03 03:49:18,364 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[30859,30872] [2022-11-03 03:49:18,370 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[31417,31430] [2022-11-03 03:49:18,377 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[31600,31613] [2022-11-03 03:49:18,378 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[31761,31774] [2022-11-03 03:49:18,382 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[32305,32318] [2022-11-03 03:49:18,384 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[32447,32460] [2022-11-03 03:49:18,394 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_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i[33033,33046] [2022-11-03 03:49:18,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:18,443 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:49:18,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18 WrapperNode [2022-11-03 03:49:18,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:18,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:18,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:49:18,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:49:18,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,541 INFO L138 Inliner]: procedures = 178, calls = 34, calls flagged for inlining = 26, calls inlined = 37, statements flattened = 296 [2022-11-03 03:49:18,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:18,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:49:18,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:49:18,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:49:18,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:49:18,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:49:18,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:49:18,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:49:18,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (1/1) ... [2022-11-03 03:49:18,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:18,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:49:18,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:49:18,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b04aeb8-7709-42f7-b131-f95c8cb5aea6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:49:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-03 03:49:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-03 03:49:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:49:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:49:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:49:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:49:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:49:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:49:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:49:18,710 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:49:18,952 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:49:18,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:49:19,554 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:49:19,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:49:19,696 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 03:49:19,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:19 BoogieIcfgContainer [2022-11-03 03:49:19,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:49:19,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:49:19,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:49:19,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:49:19,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:49:17" (1/3) ... [2022-11-03 03:49:19,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc21bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:49:19, skipping insertion in model container [2022-11-03 03:49:19,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:18" (2/3) ... [2022-11-03 03:49:19,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc21bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:49:19, skipping insertion in model container [2022-11-03 03:49:19,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:19" (3/3) ... [2022-11-03 03:49:19,716 INFO L112 eAbstractionObserver]: Analyzing ICFG 44_Solaris_space_map_sliced.i [2022-11-03 03:49:19,727 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:49:19,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:49:19,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-03 03:49:19,744 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:49:19,911 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:49:19,974 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:49:19,992 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 249 transitions, 503 flow [2022-11-03 03:49:19,995 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 249 transitions, 503 flow [2022-11-03 03:49:19,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 249 transitions, 503 flow [2022-11-03 03:49:20,098 INFO L130 PetriNetUnfolder]: 54/260 cut-off events. [2022-11-03 03:49:20,099 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 03:49:20,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 260 events. 54/260 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 855 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 230. Up to 9 conditions per place. [2022-11-03 03:49:20,114 INFO L118 LiptonReduction]: Number of co-enabled transitions 6076 [2022-11-03 03:49:32,093 INFO L133 LiptonReduction]: Checked pairs total: 5393 [2022-11-03 03:49:32,094 INFO L135 LiptonReduction]: Total number of compositions: 338 [2022-11-03 03:49:32,120 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 41 transitions, 87 flow [2022-11-03 03:49:32,168 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 102 states, 83 states have (on average 3.072289156626506) internal successors, (255), 101 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:32,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:49:32,208 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=FINITE_AUTOMATA, 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;@34432ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:49:32,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-11-03 03:49:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 83 states have (on average 3.072289156626506) internal successors, (255), 101 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 03:49:32,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:32,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 03:49:32,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err7ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2022-11-03 03:49:32,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:32,232 INFO L85 PathProgramCache]: Analyzing trace with hash 48469705, now seen corresponding path program 1 times [2022-11-03 03:49:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:32,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593751992] [2022-11-03 03:49:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:32,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:32,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:32,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593751992] [2022-11-03 03:49:32,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593751992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:32,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:32,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 03:49:32,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783560106] [2022-11-03 03:49:32,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:32,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:49:32,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:32,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:49:32,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:49:32,557 INFO L87 Difference]: Start difference. First operand has 102 states, 83 states have (on average 3.072289156626506) internal successors, (255), 101 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:32,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:32,629 INFO L93 Difference]: Finished difference Result 47 states and 100 transitions. [2022-11-03 03:49:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:49:32,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-03 03:49:32,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:32,643 INFO L225 Difference]: With dead ends: 47 [2022-11-03 03:49:32,644 INFO L226 Difference]: Without dead ends: 47 [2022-11-03 03:49:32,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:49:32,651 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:32,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:49:32,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-03 03:49:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-03 03:49:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 2.272727272727273) internal successors, (100), 46 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 100 transitions. [2022-11-03 03:49:32,707 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 100 transitions. Word has length 4 [2022-11-03 03:49:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:32,708 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 100 transitions. [2022-11-03 03:49:32,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 100 transitions. [2022-11-03 03:49:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 03:49:32,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:32,710 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-03 03:49:32,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:49:32,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2022-11-03 03:49:32,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:32,712 INFO L85 PathProgramCache]: Analyzing trace with hash -665446971, now seen corresponding path program 1 times [2022-11-03 03:49:32,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:32,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539622890] [2022-11-03 03:49:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:32,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:49:32,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:49:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:49:32,791 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:49:32,791 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:49:32,793 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2022-11-03 03:49:32,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (17 of 19 remaining) [2022-11-03 03:49:32,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (16 of 19 remaining) [2022-11-03 03:49:32,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (15 of 19 remaining) [2022-11-03 03:49:32,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (14 of 19 remaining) [2022-11-03 03:49:32,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 19 remaining) [2022-11-03 03:49:32,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (12 of 19 remaining) [2022-11-03 03:49:32,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (11 of 19 remaining) [2022-11-03 03:49:32,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (10 of 19 remaining) [2022-11-03 03:49:32,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 19 remaining) [2022-11-03 03:49:32,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 19 remaining) [2022-11-03 03:49:32,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 19 remaining) [2022-11-03 03:49:32,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (6 of 19 remaining) [2022-11-03 03:49:32,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (5 of 19 remaining) [2022-11-03 03:49:32,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 19 remaining) [2022-11-03 03:49:32,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (3 of 19 remaining) [2022-11-03 03:49:32,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (2 of 19 remaining) [2022-11-03 03:49:32,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (1 of 19 remaining) [2022-11-03 03:49:32,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (0 of 19 remaining) [2022-11-03 03:49:32,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:49:32,808 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:49:32,810 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-03 03:49:32,810 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-03 03:49:32,905 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:49:32,912 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:49:32,912 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 367 places, 467 transitions, 946 flow [2022-11-03 03:49:32,913 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 367 places, 467 transitions, 946 flow [2022-11-03 03:49:32,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 367 places, 467 transitions, 946 flow [2022-11-03 03:49:33,066 INFO L130 PetriNetUnfolder]: 107/491 cut-off events. [2022-11-03 03:49:33,067 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-03 03:49:33,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 491 events. 107/491 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2269 event pairs, 0 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 447. Up to 9 conditions per place. [2022-11-03 03:49:33,142 INFO L118 LiptonReduction]: Number of co-enabled transitions 106764 [2022-11-03 03:49:46,057 INFO L133 LiptonReduction]: Checked pairs total: 297303 [2022-11-03 03:49:46,057 INFO L135 LiptonReduction]: Total number of compositions: 468 [2022-11-03 03:49:46,059 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 125 places, 189 transitions, 390 flow [2022-11-03 03:49:47,031 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19780 states, 19569 states have (on average 4.030967346313046) internal successors, (78882), 19779 states have internal predecessors, (78882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:47,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:49:47,035 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=FINITE_AUTOMATA, 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;@34432ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:49:47,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 03:49:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 19780 states, 19569 states have (on average 4.030967346313046) internal successors, (78882), 19779 states have internal predecessors, (78882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 03:49:47,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:47,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 03:49:47,199 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err8ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-03 03:49:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:47,200 INFO L85 PathProgramCache]: Analyzing trace with hash -863093824, now seen corresponding path program 1 times [2022-11-03 03:49:47,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:47,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162972286] [2022-11-03 03:49:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:47,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:47,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:47,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162972286] [2022-11-03 03:49:47,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162972286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:47,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:47,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:49:47,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517530710] [2022-11-03 03:49:47,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:47,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:47,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:47,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:47,447 INFO L87 Difference]: Start difference. First operand has 19780 states, 19569 states have (on average 4.030967346313046) internal successors, (78882), 19779 states have internal predecessors, (78882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:47,811 INFO L93 Difference]: Finished difference Result 3547 states and 8339 transitions. [2022-11-03 03:49:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:47,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-03 03:49:47,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:47,852 INFO L225 Difference]: With dead ends: 3547 [2022-11-03 03:49:47,852 INFO L226 Difference]: Without dead ends: 3547 [2022-11-03 03:49:47,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:47,863 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 102 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:47,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 42 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:49:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2022-11-03 03:49:48,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3547. [2022-11-03 03:49:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3547 states, 3490 states have (on average 2.3893982808022924) internal successors, (8339), 3546 states have internal predecessors, (8339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 8339 transitions. [2022-11-03 03:49:48,104 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 8339 transitions. Word has length 6 [2022-11-03 03:49:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:48,105 INFO L495 AbstractCegarLoop]: Abstraction has 3547 states and 8339 transitions. [2022-11-03 03:49:48,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 8339 transitions. [2022-11-03 03:49:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:49:48,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:48,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:48,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:49:48,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-03 03:49:48,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:48,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1123265007, now seen corresponding path program 1 times [2022-11-03 03:49:48,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:48,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051549430] [2022-11-03 03:49:48,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:48,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:48,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:48,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051549430] [2022-11-03 03:49:48,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051549430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:48,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:48,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:49:48,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367593336] [2022-11-03 03:49:48,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:48,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:48,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:48,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:48,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:48,231 INFO L87 Difference]: Start difference. First operand 3547 states and 8339 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:48,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:48,579 INFO L93 Difference]: Finished difference Result 2623 states and 5925 transitions. [2022-11-03 03:49:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:48,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 03:49:48,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:48,596 INFO L225 Difference]: With dead ends: 2623 [2022-11-03 03:49:48,597 INFO L226 Difference]: Without dead ends: 2623 [2022-11-03 03:49:48,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:48,598 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 99 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:48,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 86 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:49:48,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2022-11-03 03:49:48,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2513. [2022-11-03 03:49:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 2472 states have (on average 2.304611650485437) internal successors, (5697), 2512 states have internal predecessors, (5697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 5697 transitions. [2022-11-03 03:49:48,703 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 5697 transitions. Word has length 10 [2022-11-03 03:49:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:48,704 INFO L495 AbstractCegarLoop]: Abstraction has 2513 states and 5697 transitions. [2022-11-03 03:49:48,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 5697 transitions. [2022-11-03 03:49:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:49:48,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:48,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:48,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:49:48,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-03 03:49:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:48,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1120217240, now seen corresponding path program 1 times [2022-11-03 03:49:48,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:48,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203368513] [2022-11-03 03:49:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:48,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:48,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:48,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203368513] [2022-11-03 03:49:48,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203368513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:48,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:48,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:49:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544901454] [2022-11-03 03:49:48,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:48,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:48,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:48,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:48,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:48,750 INFO L87 Difference]: Start difference. First operand 2513 states and 5697 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:49,035 INFO L93 Difference]: Finished difference Result 2794 states and 6234 transitions. [2022-11-03 03:49:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 03:49:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:49,052 INFO L225 Difference]: With dead ends: 2794 [2022-11-03 03:49:49,052 INFO L226 Difference]: Without dead ends: 2794 [2022-11-03 03:49:49,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:49,053 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 111 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:49,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 57 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:49:49,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2022-11-03 03:49:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2349. [2022-11-03 03:49:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2316 states have (on average 2.3113126079447324) internal successors, (5353), 2348 states have internal predecessors, (5353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 5353 transitions. [2022-11-03 03:49:49,170 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 5353 transitions. Word has length 10 [2022-11-03 03:49:49,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:49,170 INFO L495 AbstractCegarLoop]: Abstraction has 2349 states and 5353 transitions. [2022-11-03 03:49:49,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 5353 transitions. [2022-11-03 03:49:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 03:49:49,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:49,172 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-03 03:49:49,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:49:49,173 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-03 03:49:49,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:49,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1335093132, now seen corresponding path program 1 times [2022-11-03 03:49:49,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:49,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236043343] [2022-11-03 03:49:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:49:49,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:49:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:49:49,200 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:49:49,200 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:49:49,201 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 28 remaining) [2022-11-03 03:49:49,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (26 of 28 remaining) [2022-11-03 03:49:49,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (25 of 28 remaining) [2022-11-03 03:49:49,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (24 of 28 remaining) [2022-11-03 03:49:49,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (23 of 28 remaining) [2022-11-03 03:49:49,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (22 of 28 remaining) [2022-11-03 03:49:49,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (21 of 28 remaining) [2022-11-03 03:49:49,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (20 of 28 remaining) [2022-11-03 03:49:49,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (19 of 28 remaining) [2022-11-03 03:49:49,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (18 of 28 remaining) [2022-11-03 03:49:49,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (17 of 28 remaining) [2022-11-03 03:49:49,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (16 of 28 remaining) [2022-11-03 03:49:49,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (15 of 28 remaining) [2022-11-03 03:49:49,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (14 of 28 remaining) [2022-11-03 03:49:49,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (13 of 28 remaining) [2022-11-03 03:49:49,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (12 of 28 remaining) [2022-11-03 03:49:49,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (11 of 28 remaining) [2022-11-03 03:49:49,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (10 of 28 remaining) [2022-11-03 03:49:49,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (9 of 28 remaining) [2022-11-03 03:49:49,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (8 of 28 remaining) [2022-11-03 03:49:49,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 28 remaining) [2022-11-03 03:49:49,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (6 of 28 remaining) [2022-11-03 03:49:49,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (5 of 28 remaining) [2022-11-03 03:49:49,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 28 remaining) [2022-11-03 03:49:49,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (3 of 28 remaining) [2022-11-03 03:49:49,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (2 of 28 remaining) [2022-11-03 03:49:49,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (1 of 28 remaining) [2022-11-03 03:49:49,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (0 of 28 remaining) [2022-11-03 03:49:49,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:49:49,208 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 03:49:49,208 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-03 03:49:49,208 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-03 03:49:49,275 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:49:49,281 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:49:49,282 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 685 transitions, 1391 flow [2022-11-03 03:49:49,282 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 685 transitions, 1391 flow [2022-11-03 03:49:49,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 535 places, 685 transitions, 1391 flow [2022-11-03 03:49:49,566 INFO L130 PetriNetUnfolder]: 160/722 cut-off events. [2022-11-03 03:49:49,566 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-03 03:49:49,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 722 events. 160/722 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3832 event pairs, 0 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 664. Up to 9 conditions per place. [2022-11-03 03:49:49,698 INFO L118 LiptonReduction]: Number of co-enabled transitions 302064 [2022-11-03 03:50:05,700 INFO L133 LiptonReduction]: Checked pairs total: 885598 [2022-11-03 03:50:05,700 INFO L135 LiptonReduction]: Total number of compositions: 649 [2022-11-03 03:50:05,702 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 189 places, 291 transitions, 603 flow