./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.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_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/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_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/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_2cf455d1-253c-470e-87d1-1697b01d5969/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 a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 --- 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 08:56:39,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:56:39,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:56:39,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:56:39,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:56:39,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:56:39,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:56:39,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:56:39,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:56:39,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:56:39,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:56:39,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:56:39,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:56:39,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:56:39,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:56:39,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:56:39,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:56:39,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:56:39,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:56:39,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:56:39,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:56:39,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:56:39,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:56:39,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:56:39,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:56:39,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:56:39,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:56:39,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:56:39,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:56:39,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:56:39,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:56:39,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:56:39,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:56:39,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:56:39,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:56:39,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:56:39,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:56:39,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:56:39,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:56:39,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:56:39,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:56:39,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:56:39,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:56:39,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:56:39,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:56:39,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:56:39,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:56:39,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:56:39,962 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:56:39,962 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:56:39,962 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:56:39,962 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:56:39,962 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:56:39,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:56:39,963 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:56:39,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:56:39,963 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:56:39,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:56:39,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:56:39,963 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:56:39,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:56:39,964 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:56:39,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:56:39,965 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:56:39,966 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:56:39,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:56:39,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:56:39,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:56:39,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:56:39,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:56:39,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:56:39,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:56:39,967 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:56:39,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:56:39,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:56:39,968 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:56:39,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:56:39,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:56:39,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:56:39,968 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_2cf455d1-253c-470e-87d1-1697b01d5969/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 [2022-12-14 08:56:40,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:56:40,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:56:40,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:56:40,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:56:40,170 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:56:40,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2022-12-14 08:56:42,751 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:56:42,936 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:56:42,936 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2022-12-14 08:56:42,945 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/data/8864f3574/742ae4dd7cc6439caa47acb7bbe4ae10/FLAGd22b982cb [2022-12-14 08:56:43,349 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/data/8864f3574/742ae4dd7cc6439caa47acb7bbe4ae10 [2022-12-14 08:56:43,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:56:43,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:56:43,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:56:43,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:56:43,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:56:43,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cdf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43, skipping insertion in model container [2022-12-14 08:56:43,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:56:43,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:56:43,640 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30307,30320] [2022-12-14 08:56:43,642 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30489,30502] [2022-12-14 08:56:43,644 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30660,30673] [2022-12-14 08:56:43,647 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31038,31051] [2022-12-14 08:56:43,651 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31460,31473] [2022-12-14 08:56:43,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:56:43,668 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:56:43,704 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30307,30320] [2022-12-14 08:56:43,705 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30489,30502] [2022-12-14 08:56:43,707 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30660,30673] [2022-12-14 08:56:43,709 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31038,31051] [2022-12-14 08:56:43,711 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_2cf455d1-253c-470e-87d1-1697b01d5969/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31460,31473] [2022-12-14 08:56:43,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:56:43,735 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:56:43,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43 WrapperNode [2022-12-14 08:56:43,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:56:43,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:56:43,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:56:43,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:56:43,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,769 INFO L138 Inliner]: procedures = 174, calls = 30, calls flagged for inlining = 22, calls inlined = 33, statements flattened = 303 [2022-12-14 08:56:43,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:56:43,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:56:43,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:56:43,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:56:43,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:56:43,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:56:43,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:56:43,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:56:43,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (1/1) ... [2022-12-14 08:56:43,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:56:43,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:56:43,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:56:43,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf455d1-253c-470e-87d1-1697b01d5969/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:56:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 08:56:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 08:56:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:56:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:56:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:56:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:56:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:56:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:56:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:56:43,861 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 08:56:43,951 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:56:43,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:56:44,271 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:56:44,444 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:56:44,444 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 08:56:44,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:56:44 BoogieIcfgContainer [2022-12-14 08:56:44,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:56:44,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:56:44,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:56:44,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:56:44,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:56:43" (1/3) ... [2022-12-14 08:56:44,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3719b8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:56:44, skipping insertion in model container [2022-12-14 08:56:44,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:56:43" (2/3) ... [2022-12-14 08:56:44,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3719b8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:56:44, skipping insertion in model container [2022-12-14 08:56:44,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:56:44" (3/3) ... [2022-12-14 08:56:44,456 INFO L112 eAbstractionObserver]: Analyzing ICFG 41_FreeBSD_abd_kbd_sliced.i [2022-12-14 08:56:44,465 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:56:44,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:56:44,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-12-14 08:56:44,474 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:56:44,536 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:56:44,570 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:56:44,585 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 205 transitions, 415 flow [2022-12-14 08:56:44,588 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 205 transitions, 415 flow [2022-12-14 08:56:44,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 189 places, 205 transitions, 415 flow [2022-12-14 08:56:44,643 INFO L130 PetriNetUnfolder]: 20/216 cut-off events. [2022-12-14 08:56:44,644 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:56:44,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 216 events. 20/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 667 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 187. Up to 7 conditions per place. [2022-12-14 08:56:44,650 INFO L119 LiptonReduction]: Number of co-enabled transitions 4872 [2022-12-14 08:56:49,040 INFO L134 LiptonReduction]: Checked pairs total: 5179 [2022-12-14 08:56:49,040 INFO L136 LiptonReduction]: Total number of compositions: 291 [2022-12-14 08:56:49,048 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 115 flow [2022-12-14 08:56:49,072 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 227 states, 146 states have (on average 2.9178082191780823) internal successors, (426), 226 states have internal predecessors, (426), 0 states have call successors, (0), 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 08:56:49,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:56:49,092 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;@46a39566, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:56:49,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2022-12-14 08:56:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 146 states have (on average 2.9178082191780823) internal successors, (426), 226 states have internal predecessors, (426), 0 states have call successors, (0), 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 08:56:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:56:49,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:56:49,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:56:49,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2022-12-14 08:56:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:56:49,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1415822006, now seen corresponding path program 1 times [2022-12-14 08:56:49,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:56:49,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932181682] [2022-12-14 08:56:49,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:56:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:56:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:56:49,224 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 08:56:49,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:56:49,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932181682] [2022-12-14 08:56:49,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932181682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:56:49,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:56:49,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:56:49,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429160832] [2022-12-14 08:56:49,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:56:49,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:56:49,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:56:49,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:56:49,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:56:49,248 INFO L87 Difference]: Start difference. First operand has 227 states, 146 states have (on average 2.9178082191780823) internal successors, (426), 226 states have internal predecessors, (426), 0 states have call successors, (0), 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 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 08:56:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:56:49,275 INFO L93 Difference]: Finished difference Result 23 states and 46 transitions. [2022-12-14 08:56:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:56:49,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-12-14 08:56:49,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:56:49,283 INFO L225 Difference]: With dead ends: 23 [2022-12-14 08:56:49,283 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 08:56:49,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:56:49,286 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:56:49,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:56:49,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 08:56:49,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-14 08:56:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 2.090909090909091) internal successors, (46), 22 states have internal predecessors, (46), 0 states have call successors, (0), 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 08:56:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 46 transitions. [2022-12-14 08:56:49,310 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 46 transitions. Word has length 5 [2022-12-14 08:56:49,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:56:49,310 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 46 transitions. [2022-12-14 08:56:49,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 08:56:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2022-12-14 08:56:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 08:56:49,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:56:49,311 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-12-14 08:56:49,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:56:49,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2022-12-14 08:56:49,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:56:49,312 INFO L85 PathProgramCache]: Analyzing trace with hash 941005673, now seen corresponding path program 1 times [2022-12-14 08:56:49,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:56:49,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046934035] [2022-12-14 08:56:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:56:49,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:56:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:56:49,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:56:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:56:49,348 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:56:49,348 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:56:49,349 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2022-12-14 08:56:49,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2022-12-14 08:56:49,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2022-12-14 08:56:49,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2022-12-14 08:56:49,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2022-12-14 08:56:49,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2022-12-14 08:56:49,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2022-12-14 08:56:49,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2022-12-14 08:56:49,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2022-12-14 08:56:49,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2022-12-14 08:56:49,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2022-12-14 08:56:49,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2022-12-14 08:56:49,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2022-12-14 08:56:49,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2022-12-14 08:56:49,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2022-12-14 08:56:49,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2022-12-14 08:56:49,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2022-12-14 08:56:49,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2022-12-14 08:56:49,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2022-12-14 08:56:49,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2022-12-14 08:56:49,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2022-12-14 08:56:49,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2022-12-14 08:56:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2022-12-14 08:56:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2022-12-14 08:56:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2022-12-14 08:56:49,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2022-12-14 08:56:49,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:56:49,364 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:56:49,366 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 08:56:49,366 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 08:56:49,400 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:56:49,406 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:56:49,406 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 380 transitions, 772 flow [2022-12-14 08:56:49,407 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 380 transitions, 772 flow [2022-12-14 08:56:49,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 348 places, 380 transitions, 772 flow [2022-12-14 08:56:49,464 INFO L130 PetriNetUnfolder]: 39/404 cut-off events. [2022-12-14 08:56:49,464 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 08:56:49,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 404 events. 39/404 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1875 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 361. Up to 7 conditions per place. [2022-12-14 08:56:49,487 INFO L119 LiptonReduction]: Number of co-enabled transitions 70644 [2022-12-14 08:56:55,096 INFO L134 LiptonReduction]: Checked pairs total: 494203 [2022-12-14 08:56:55,096 INFO L136 LiptonReduction]: Total number of compositions: 425 [2022-12-14 08:56:55,097 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 197 places, 220 transitions, 452 flow [2022-12-14 08:56:56,101 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52360 states, 48959 states have (on average 3.3196960722236972) internal successors, (162529), 52359 states have internal predecessors, (162529), 0 states have call successors, (0), 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 08:56:56,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:56:56,103 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;@46a39566, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:56:56,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2022-12-14 08:56:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 52360 states, 48959 states have (on average 3.3196960722236972) internal successors, (162529), 52359 states have internal predecessors, (162529), 0 states have call successors, (0), 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 08:56:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:56:56,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:56:56,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:56:56,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-12-14 08:56:56,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:56:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1954695772, now seen corresponding path program 1 times [2022-12-14 08:56:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:56:56,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888242297] [2022-12-14 08:56:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:56:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:56:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:56:56,172 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 08:56:56,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:56:56,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888242297] [2022-12-14 08:56:56,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888242297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:56:56,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:56:56,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:56:56,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337888263] [2022-12-14 08:56:56,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:56:56,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:56:56,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:56:56,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:56:56,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:56:56,223 INFO L87 Difference]: Start difference. First operand has 52360 states, 48959 states have (on average 3.3196960722236972) internal successors, (162529), 52359 states have internal predecessors, (162529), 0 states have call successors, (0), 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 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 08:56:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:56:56,544 INFO L93 Difference]: Finished difference Result 22047 states and 66163 transitions. [2022-12-14 08:56:56,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:56:56,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-12-14 08:56:56,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:56:56,663 INFO L225 Difference]: With dead ends: 22047 [2022-12-14 08:56:56,663 INFO L226 Difference]: Without dead ends: 22047 [2022-12-14 08:56:56,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:56:56,664 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:56:56,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:56:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22047 states. [2022-12-14 08:56:57,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22047 to 22047. [2022-12-14 08:56:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22047 states, 21851 states have (on average 3.0279163425014874) internal successors, (66163), 22046 states have internal predecessors, (66163), 0 states have call successors, (0), 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 08:56:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22047 states to 22047 states and 66163 transitions. [2022-12-14 08:56:57,347 INFO L78 Accepts]: Start accepts. Automaton has 22047 states and 66163 transitions. Word has length 5 [2022-12-14 08:56:57,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:56:57,347 INFO L495 AbstractCegarLoop]: Abstraction has 22047 states and 66163 transitions. [2022-12-14 08:56:57,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 08:56:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 22047 states and 66163 transitions. [2022-12-14 08:56:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:56:57,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:56:57,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:56:57,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:56:57,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-12-14 08:56:57,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:56:57,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1561860817, now seen corresponding path program 1 times [2022-12-14 08:56:57,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:56:57,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445121100] [2022-12-14 08:56:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:56:57,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:56:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:56:57,383 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 08:56:57,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:56:57,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445121100] [2022-12-14 08:56:57,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445121100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:56:57,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:56:57,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:56:57,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844162049] [2022-12-14 08:56:57,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:56:57,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:56:57,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:56:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:56:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:56:57,385 INFO L87 Difference]: Start difference. First operand 22047 states and 66163 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 08:56:57,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:56:57,734 INFO L93 Difference]: Finished difference Result 32456 states and 96229 transitions. [2022-12-14 08:56:57,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:56:57,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-12-14 08:56:57,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:56:57,879 INFO L225 Difference]: With dead ends: 32456 [2022-12-14 08:56:57,879 INFO L226 Difference]: Without dead ends: 32456 [2022-12-14 08:56:57,880 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 08:56:57,880 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 105 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:56:57,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 187 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:56:58,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32456 states. [2022-12-14 08:56:58,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32456 to 23152. [2022-12-14 08:56:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23152 states, 22981 states have (on average 2.953439798094078) internal successors, (67873), 23151 states have internal predecessors, (67873), 0 states have call successors, (0), 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 08:56:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23152 states to 23152 states and 67873 transitions. [2022-12-14 08:56:58,587 INFO L78 Accepts]: Start accepts. Automaton has 23152 states and 67873 transitions. Word has length 7 [2022-12-14 08:56:58,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:56:58,587 INFO L495 AbstractCegarLoop]: Abstraction has 23152 states and 67873 transitions. [2022-12-14 08:56:58,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 08:56:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 23152 states and 67873 transitions. [2022-12-14 08:56:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:56:58,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:56:58,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:56:58,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:56:58,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-12-14 08:56:58,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:56:58,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1247532880, now seen corresponding path program 1 times [2022-12-14 08:56:58,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:56:58,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795649127] [2022-12-14 08:56:58,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:56:58,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:56:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:56:58,630 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 08:56:58,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:56:58,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795649127] [2022-12-14 08:56:58,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795649127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:56:58,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:56:58,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:56:58,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043688540] [2022-12-14 08:56:58,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:56:58,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:56:58,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:56:58,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:56:58,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:56:58,632 INFO L87 Difference]: Start difference. First operand 23152 states and 67873 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:56:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:56:58,999 INFO L93 Difference]: Finished difference Result 40138 states and 117357 transitions. [2022-12-14 08:56:59,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:56:59,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 08:56:59,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:56:59,125 INFO L225 Difference]: With dead ends: 40138 [2022-12-14 08:56:59,125 INFO L226 Difference]: Without dead ends: 40138 [2022-12-14 08:56:59,125 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 08:56:59,126 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 135 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:56:59,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 218 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:56:59,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40138 states. [2022-12-14 08:56:59,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40138 to 23855. [2022-12-14 08:56:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23723 states have (on average 2.9246301058044937) internal successors, (69381), 23854 states have internal predecessors, (69381), 0 states have call successors, (0), 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 08:56:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 69381 transitions. [2022-12-14 08:56:59,930 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 69381 transitions. Word has length 10 [2022-12-14 08:56:59,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:56:59,930 INFO L495 AbstractCegarLoop]: Abstraction has 23855 states and 69381 transitions. [2022-12-14 08:56:59,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:56:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 69381 transitions. [2022-12-14 08:56:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:56:59,932 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:56:59,932 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 08:56:59,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:56:59,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-12-14 08:56:59,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:56:59,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2018438547, now seen corresponding path program 1 times [2022-12-14 08:56:59,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:56:59,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118959694] [2022-12-14 08:56:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:56:59,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:56:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:56:59,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:56:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:56:59,950 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:56:59,951 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (120 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2022-12-14 08:56:59,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2022-12-14 08:56:59,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2022-12-14 08:56:59,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2022-12-14 08:56:59,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2022-12-14 08:56:59,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (55 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (54 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2022-12-14 08:56:59,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2022-12-14 08:56:59,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2022-12-14 08:56:59,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2022-12-14 08:56:59,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2022-12-14 08:56:59,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:56:59,960 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 08:56:59,960 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 08:56:59,960 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-14 08:56:59,987 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:56:59,991 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:56:59,991 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 555 transitions, 1131 flow [2022-12-14 08:56:59,991 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 555 transitions, 1131 flow [2022-12-14 08:56:59,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 507 places, 555 transitions, 1131 flow [2022-12-14 08:57:00,138 INFO L130 PetriNetUnfolder]: 58/592 cut-off events. [2022-12-14 08:57:00,139 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-14 08:57:00,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 592 events. 58/592 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3245 event pairs, 0 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 535. Up to 8 conditions per place. [2022-12-14 08:57:00,180 INFO L119 LiptonReduction]: Number of co-enabled transitions 197316 [2022-12-14 08:57:09,980 INFO L134 LiptonReduction]: Checked pairs total: 1421652 [2022-12-14 08:57:09,980 INFO L136 LiptonReduction]: Total number of compositions: 635 [2022-12-14 08:57:09,981 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 292 places, 329 transitions, 679 flow