./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f04269da33313e0538e960083eba1e7b90d9e89847d2a89d06392d6991a3ed98 --- 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-2329fc7 [2022-12-14 04:59:54,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:59:54,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:59:54,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:59:54,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:59:54,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:59:54,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:59:54,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:59:54,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:59:54,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:59:54,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:59:54,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:59:54,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:59:54,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:59:54,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:59:54,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:59:54,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:59:54,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:59:54,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:59:54,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:59:54,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:59:54,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:59:54,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:59:54,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:59:54,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:59:54,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:59:54,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:59:54,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:59:54,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:59:54,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:59:54,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:59:54,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:59:54,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:59:54,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:59:54,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:59:54,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:59:54,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:59:54,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:59:54,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:59:54,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:59:54,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:59:54,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 04:59:54,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:59:54,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:59:54,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:59:54,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:59:54,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:59:54,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:59:54,399 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:59:54,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:59:54,399 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:59:54,399 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:59:54,400 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:59:54,400 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:59:54,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:59:54,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 04:59:54,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:59:54,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:59:54,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 04:59:54,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:59:54,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:59:54,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:59:54,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:59:54,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:59:54,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:59:54,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:59:54,404 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_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f04269da33313e0538e960083eba1e7b90d9e89847d2a89d06392d6991a3ed98 [2022-12-14 04:59:54,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:59:54,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:59:54,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:59:54,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:59:54,589 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:59:54,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-lit/sssc12.i [2022-12-14 04:59:57,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:59:57,428 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:59:57,429 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/sv-benchmarks/c/pthread-lit/sssc12.i [2022-12-14 04:59:57,438 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/data/adb630da6/aa9d36b51cdf473caa478a3d6270db17/FLAG2e88c3284 [2022-12-14 04:59:57,449 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/data/adb630da6/aa9d36b51cdf473caa478a3d6270db17 [2022-12-14 04:59:57,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:59:57,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:59:57,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:59:57,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:59:57,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:59:57,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b0834a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57, skipping insertion in model container [2022-12-14 04:59:57,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:59:57,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:59:57,796 WARN L237 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_bc63b8ea-0962-4ef0-97c4-350969dc870f/sv-benchmarks/c/pthread-lit/sssc12.i[46865,46878] [2022-12-14 04:59:57,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 04:59:57,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 04:59:57,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 04:59:57,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 04:59:57,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:59:57,823 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:59:57,857 WARN L237 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_bc63b8ea-0962-4ef0-97c4-350969dc870f/sv-benchmarks/c/pthread-lit/sssc12.i[46865,46878] [2022-12-14 04:59:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 04:59:57,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 04:59:57,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 04:59:57,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 04:59:57,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:59:57,904 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:59:57,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57 WrapperNode [2022-12-14 04:59:57,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:59:57,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:59:57,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:59:57,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:59:57,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,948 INFO L138 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2022-12-14 04:59:57,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:59:57,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:59:57,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:59:57,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:59:57,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:59:57,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:59:57,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:59:57,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:59:57,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (1/1) ... [2022-12-14 04:59:57,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:59:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:58,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:59:58,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63b8ea-0962-4ef0-97c4-350969dc870f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:59:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 04:59:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-12-14 04:59:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-12-14 04:59:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:59:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:59:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:59:58,034 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 04:59:58,141 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:59:58,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:59:58,362 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:59:58,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:59:58,420 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 04:59:58,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:59:58 BoogieIcfgContainer [2022-12-14 04:59:58,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:59:58,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:59:58,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:59:58,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:59:58,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:59:57" (1/3) ... [2022-12-14 04:59:58,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26349476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:59:58, skipping insertion in model container [2022-12-14 04:59:58,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:57" (2/3) ... [2022-12-14 04:59:58,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26349476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:59:58, skipping insertion in model container [2022-12-14 04:59:58,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:59:58" (3/3) ... [2022-12-14 04:59:58,431 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12.i [2022-12-14 04:59:58,438 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 04:59:58,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:59:58,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2022-12-14 04:59:58,447 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 04:59:58,506 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 04:59:58,535 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 04:59:58,548 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 157 transitions, 319 flow [2022-12-14 04:59:58,551 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 157 transitions, 319 flow [2022-12-14 04:59:58,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 157 transitions, 319 flow [2022-12-14 04:59:58,616 INFO L130 PetriNetUnfolder]: 9/169 cut-off events. [2022-12-14 04:59:58,616 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 04:59:58,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 169 events. 9/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 167 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 88. Up to 4 conditions per place. [2022-12-14 04:59:58,624 INFO L119 LiptonReduction]: Number of co-enabled transitions 2220 [2022-12-14 05:00:02,088 INFO L134 LiptonReduction]: Checked pairs total: 2027 [2022-12-14 05:00:02,089 INFO L136 LiptonReduction]: Total number of compositions: 200 [2022-12-14 05:00:02,094 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 28 transitions, 61 flow [2022-12-14 05:00:02,104 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 84 states, 52 states have (on average 2.75) internal successors, (143), 83 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:02,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:00:02,120 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;@6d167e67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:00:02,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-12-14 05:00:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 52 states have (on average 2.75) internal successors, (143), 83 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 05:00:02,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:02,125 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 05:00:02,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-12-14 05:00:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash 719, now seen corresponding path program 1 times [2022-12-14 05:00:02,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:02,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861508152] [2022-12-14 05:00:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:00:02,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:02,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861508152] [2022-12-14 05:00:02,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861508152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:02,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:02,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 05:00:02,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025695505] [2022-12-14 05:00:02,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:02,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:00:02,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:00:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:00:02,237 INFO L87 Difference]: Start difference. First operand has 84 states, 52 states have (on average 2.75) internal successors, (143), 83 states have internal predecessors, (143), 0 states have call successors, (0), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:02,258 INFO L93 Difference]: Finished difference Result 15 states and 24 transitions. [2022-12-14 05:00:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:00:02,260 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2022-12-14 05:00:02,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:02,266 INFO L225 Difference]: With dead ends: 15 [2022-12-14 05:00:02,266 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 05:00:02,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:00:02,270 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:02,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:02,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 05:00:02,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 05:00:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 24 transitions. [2022-12-14 05:00:02,299 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 24 transitions. Word has length 1 [2022-12-14 05:00:02,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:02,299 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 24 transitions. [2022-12-14 05:00:02,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-12-14 05:00:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:00:02,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:02,300 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-12-14 05:00:02,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:00:02,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-12-14 05:00:02,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:02,301 INFO L85 PathProgramCache]: Analyzing trace with hash 52191925, now seen corresponding path program 1 times [2022-12-14 05:00:02,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:02,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053752890] [2022-12-14 05:00:02,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:02,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:00:02,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:00:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:00:02,368 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:00:02,368 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:00:02,369 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 32 remaining) [2022-12-14 05:00:02,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2022-12-14 05:00:02,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2022-12-14 05:00:02,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2022-12-14 05:00:02,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2022-12-14 05:00:02,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2022-12-14 05:00:02,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2022-12-14 05:00:02,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2022-12-14 05:00:02,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2022-12-14 05:00:02,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2022-12-14 05:00:02,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:00:02,376 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:00:02,377 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 05:00:02,377 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 05:00:02,395 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:00:02,401 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:00:02,401 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 232 transitions, 476 flow [2022-12-14 05:00:02,401 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 232 transitions, 476 flow [2022-12-14 05:00:02,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 232 transitions, 476 flow [2022-12-14 05:00:02,435 INFO L130 PetriNetUnfolder]: 15/258 cut-off events. [2022-12-14 05:00:02,436 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 05:00:02,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 258 events. 15/258 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 556 event pairs, 0 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 170. Up to 6 conditions per place. [2022-12-14 05:00:02,442 INFO L119 LiptonReduction]: Number of co-enabled transitions 15540 [2022-12-14 05:00:05,488 INFO L134 LiptonReduction]: Checked pairs total: 53461 [2022-12-14 05:00:05,488 INFO L136 LiptonReduction]: Total number of compositions: 223 [2022-12-14 05:00:05,489 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 90 transitions, 192 flow [2022-12-14 05:00:05,620 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7743 states, 7387 states have (on average 3.0644375253824285) internal successors, (22637), 7742 states have internal predecessors, (22637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:05,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:00:05,622 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;@6d167e67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:00:05,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-12-14 05:00:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 7743 states, 7387 states have (on average 3.0644375253824285) internal successors, (22637), 7742 states have internal predecessors, (22637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 05:00:05,638 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:05,638 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 05:00:05,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2022-12-14 05:00:05,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:05,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-12-14 05:00:05,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:05,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349579508] [2022-12-14 05:00:05,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:05,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:00:05,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:05,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349579508] [2022-12-14 05:00:05,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349579508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:05,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:05,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 05:00:05,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578373761] [2022-12-14 05:00:05,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:05,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:00:05,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:05,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:00:05,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:00:05,678 INFO L87 Difference]: Start difference. First operand has 7743 states, 7387 states have (on average 3.0644375253824285) internal successors, (22637), 7742 states have internal predecessors, (22637), 0 states have call successors, (0), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:05,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:05,770 INFO L93 Difference]: Finished difference Result 4324 states and 12303 transitions. [2022-12-14 05:00:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:00:05,771 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2022-12-14 05:00:05,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:05,795 INFO L225 Difference]: With dead ends: 4324 [2022-12-14 05:00:05,795 INFO L226 Difference]: Without dead ends: 4324 [2022-12-14 05:00:05,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:00:05,796 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:05,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:05,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4324 states. [2022-12-14 05:00:05,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4324 to 4324. [2022-12-14 05:00:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4324 states, 4282 states have (on average 2.873190098085007) internal successors, (12303), 4323 states have internal predecessors, (12303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 4324 states and 12303 transitions. [2022-12-14 05:00:05,913 INFO L78 Accepts]: Start accepts. Automaton has 4324 states and 12303 transitions. Word has length 1 [2022-12-14 05:00:05,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:05,914 INFO L495 AbstractCegarLoop]: Abstraction has 4324 states and 12303 transitions. [2022-12-14 05:00:05,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 4324 states and 12303 transitions. [2022-12-14 05:00:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:00:05,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:05,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 05:00:05,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:00:05,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2022-12-14 05:00:05,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:05,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1428721202, now seen corresponding path program 1 times [2022-12-14 05:00:05,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:05,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110109637] [2022-12-14 05:00:05,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:05,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:00:05,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:05,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110109637] [2022-12-14 05:00:05,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110109637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:05,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:05,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:00:05,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396140767] [2022-12-14 05:00:05,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:05,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:00:05,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:00:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:05,970 INFO L87 Difference]: Start difference. First operand 4324 states and 12303 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2022-12-14 05:00:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:06,113 INFO L93 Difference]: Finished difference Result 6555 states and 18631 transitions. [2022-12-14 05:00:06,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:00:06,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2022-12-14 05:00:06,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:06,150 INFO L225 Difference]: With dead ends: 6555 [2022-12-14 05:00:06,150 INFO L226 Difference]: Without dead ends: 6555 [2022-12-14 05:00:06,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:06,151 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 51 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:06,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 51 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:00:06,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6555 states. [2022-12-14 05:00:06,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6555 to 4327. [2022-12-14 05:00:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4327 states, 4294 states have (on average 2.8623660922217047) internal successors, (12291), 4326 states have internal predecessors, (12291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 12291 transitions. [2022-12-14 05:00:06,301 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 12291 transitions. Word has length 6 [2022-12-14 05:00:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:06,302 INFO L495 AbstractCegarLoop]: Abstraction has 4327 states and 12291 transitions. [2022-12-14 05:00:06,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2022-12-14 05:00:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 12291 transitions. [2022-12-14 05:00:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:00:06,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:06,303 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 05:00:06,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:00:06,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2022-12-14 05:00:06,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:06,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1972406182, now seen corresponding path program 1 times [2022-12-14 05:00:06,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:06,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524976593] [2022-12-14 05:00:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:00:06,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:00:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:00:06,333 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:00:06,333 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:00:06,333 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining) [2022-12-14 05:00:06,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2022-12-14 05:00:06,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2022-12-14 05:00:06,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2022-12-14 05:00:06,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2022-12-14 05:00:06,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2022-12-14 05:00:06,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2022-12-14 05:00:06,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2022-12-14 05:00:06,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2022-12-14 05:00:06,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2022-12-14 05:00:06,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2022-12-14 05:00:06,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:00:06,337 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 05:00:06,337 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 05:00:06,337 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-14 05:00:06,354 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:00:06,357 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:00:06,357 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 307 transitions, 635 flow [2022-12-14 05:00:06,357 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 307 transitions, 635 flow [2022-12-14 05:00:06,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 307 transitions, 635 flow [2022-12-14 05:00:06,397 INFO L130 PetriNetUnfolder]: 21/347 cut-off events. [2022-12-14 05:00:06,398 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-14 05:00:06,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 347 events. 21/347 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1037 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 262. Up to 8 conditions per place. [2022-12-14 05:00:06,411 INFO L119 LiptonReduction]: Number of co-enabled transitions 39960 [2022-12-14 05:00:09,965 INFO L134 LiptonReduction]: Checked pairs total: 145064 [2022-12-14 05:00:09,965 INFO L136 LiptonReduction]: Total number of compositions: 276 [2022-12-14 05:00:09,966 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 127 places, 129 transitions, 279 flow [2022-12-14 05:00:14,847 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 278642 states, 274062 states have (on average 4.046686516189768) internal successors, (1109043), 278641 states have internal predecessors, (1109043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:14,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:00:14,848 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;@6d167e67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:00:14,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-12-14 05:00:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 278642 states, 274062 states have (on average 4.046686516189768) internal successors, (1109043), 278641 states have internal predecessors, (1109043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 05:00:15,171 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:15,171 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 05:00:15,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-14 05:00:15,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:15,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1919, now seen corresponding path program 1 times [2022-12-14 05:00:15,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:15,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361737152] [2022-12-14 05:00:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:00:15,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:15,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361737152] [2022-12-14 05:00:15,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361737152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:15,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:15,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 05:00:15,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349395756] [2022-12-14 05:00:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:15,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:00:15,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:00:15,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:00:15,688 INFO L87 Difference]: Start difference. First operand has 278642 states, 274062 states have (on average 4.046686516189768) internal successors, (1109043), 278641 states have internal predecessors, (1109043), 0 states have call successors, (0), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:16,915 INFO L93 Difference]: Finished difference Result 125428 states and 486569 transitions. [2022-12-14 05:00:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:00:16,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2022-12-14 05:00:16,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:17,866 INFO L225 Difference]: With dead ends: 125428 [2022-12-14 05:00:17,866 INFO L226 Difference]: Without dead ends: 125428 [2022-12-14 05:00:17,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:00:17,867 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:17,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125428 states. [2022-12-14 05:00:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125428 to 125428. [2022-12-14 05:00:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125428 states, 125176 states have (on average 3.8870789927781684) internal successors, (486569), 125427 states have internal predecessors, (486569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125428 states to 125428 states and 486569 transitions. [2022-12-14 05:00:21,777 INFO L78 Accepts]: Start accepts. Automaton has 125428 states and 486569 transitions. Word has length 1 [2022-12-14 05:00:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:21,778 INFO L495 AbstractCegarLoop]: Abstraction has 125428 states and 486569 transitions. [2022-12-14 05:00:21,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 125428 states and 486569 transitions. [2022-12-14 05:00:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:00:21,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:21,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 05:00:21,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:00:21,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-14 05:00:21,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:21,779 INFO L85 PathProgramCache]: Analyzing trace with hash 825249589, now seen corresponding path program 1 times [2022-12-14 05:00:21,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:21,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748152519] [2022-12-14 05:00:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:21,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:00:21,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:21,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748152519] [2022-12-14 05:00:21,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748152519] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:21,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:21,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:00:21,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140238064] [2022-12-14 05:00:21,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:21,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:00:21,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:21,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:00:21,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:21,810 INFO L87 Difference]: Start difference. First operand 125428 states and 486569 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2022-12-14 05:00:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:23,496 INFO L93 Difference]: Finished difference Result 219185 states and 828249 transitions. [2022-12-14 05:00:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:00:23,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2022-12-14 05:00:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:24,847 INFO L225 Difference]: With dead ends: 219185 [2022-12-14 05:00:24,847 INFO L226 Difference]: Without dead ends: 219185 [2022-12-14 05:00:24,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:24,848 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 75 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:24,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 80 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:00:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219185 states. [2022-12-14 05:00:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219185 to 143023. [2022-12-14 05:00:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143023 states, 142798 states have (on average 3.849374641101416) internal successors, (549683), 143022 states have internal predecessors, (549683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143023 states to 143023 states and 549683 transitions. [2022-12-14 05:00:29,799 INFO L78 Accepts]: Start accepts. Automaton has 143023 states and 549683 transitions. Word has length 6 [2022-12-14 05:00:29,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:29,799 INFO L495 AbstractCegarLoop]: Abstraction has 143023 states and 549683 transitions. [2022-12-14 05:00:29,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2022-12-14 05:00:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 143023 states and 549683 transitions. [2022-12-14 05:00:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:00:29,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:29,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:29,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:00:29,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-14 05:00:29,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1093946959, now seen corresponding path program 1 times [2022-12-14 05:00:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:29,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002622651] [2022-12-14 05:00:29,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:29,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:00:29,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:29,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002622651] [2022-12-14 05:00:29,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002622651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:29,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:29,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:29,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758300090] [2022-12-14 05:00:29,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:29,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:00:29,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:29,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:00:29,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:29,887 INFO L87 Difference]: Start difference. First operand 143023 states and 549683 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:31,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:31,197 INFO L93 Difference]: Finished difference Result 156007 states and 595215 transitions. [2022-12-14 05:00:31,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:00:31,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-12-14 05:00:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:32,085 INFO L225 Difference]: With dead ends: 156007 [2022-12-14 05:00:32,085 INFO L226 Difference]: Without dead ends: 156007 [2022-12-14 05:00:32,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:32,085 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 72 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:32,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 134 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:00:32,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156007 states. [2022-12-14 05:00:35,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156007 to 151679. [2022-12-14 05:00:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151679 states, 151454 states have (on average 3.8488451939202664) internal successors, (582923), 151678 states have internal predecessors, (582923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151679 states to 151679 states and 582923 transitions. [2022-12-14 05:00:36,700 INFO L78 Accepts]: Start accepts. Automaton has 151679 states and 582923 transitions. Word has length 11 [2022-12-14 05:00:36,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:36,701 INFO L495 AbstractCegarLoop]: Abstraction has 151679 states and 582923 transitions. [2022-12-14 05:00:36,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:00:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 151679 states and 582923 transitions. [2022-12-14 05:00:36,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 05:00:36,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:36,702 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-12-14 05:00:36,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:00:36,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-14 05:00:36,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash 298609403, now seen corresponding path program 1 times [2022-12-14 05:00:36,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:36,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597860890] [2022-12-14 05:00:36,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:36,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:00:36,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:00:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:00:36,727 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:00:36,727 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 56 remaining) [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-12-14 05:00:36,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-12-14 05:00:36,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2022-12-14 05:00:36,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-12-14 05:00:36,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-12-14 05:00:36,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-12-14 05:00:36,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-12-14 05:00:36,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-12-14 05:00:36,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-12-14 05:00:36,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:00:36,731 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 05:00:36,731 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 05:00:36,731 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-12-14 05:00:36,757 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:00:36,761 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:00:36,762 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 382 transitions, 796 flow [2022-12-14 05:00:36,762 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 382 transitions, 796 flow [2022-12-14 05:00:36,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 368 places, 382 transitions, 796 flow [2022-12-14 05:00:36,826 INFO L130 PetriNetUnfolder]: 27/436 cut-off events. [2022-12-14 05:00:36,826 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-14 05:00:36,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 436 events. 27/436 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1550 event pairs, 0 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 355. Up to 10 conditions per place. [2022-12-14 05:00:36,844 INFO L119 LiptonReduction]: Number of co-enabled transitions 75480 [2022-12-14 05:00:42,305 INFO L134 LiptonReduction]: Checked pairs total: 281677 [2022-12-14 05:00:42,306 INFO L136 LiptonReduction]: Total number of compositions: 343 [2022-12-14 05:00:42,307 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 164 places, 167 transitions, 366 flow