./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/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_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/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_d355b609-a630-4148-a0d0-980298add9d8/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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- 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 16:06:02,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:06:02,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:06:02,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:06:02,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:06:02,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:06:02,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:06:02,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:06:02,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:06:02,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:06:02,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:06:02,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:06:02,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:06:02,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:06:02,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:06:02,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:06:02,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:06:02,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:06:02,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:06:02,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:06:02,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:06:02,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:06:02,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:06:02,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:06:02,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:06:02,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:06:02,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:06:02,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:06:02,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:06:02,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:06:02,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:06:02,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:06:02,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:06:02,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:06:02,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:06:02,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:06:02,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:06:02,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:06:02,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:06:02,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:06:02,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:06:02,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 16:06:02,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:06:02,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:06:02,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:06:02,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:06:02,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:06:02,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:06:02,064 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:06:02,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:06:02,065 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:06:02,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:06:02,065 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:06:02,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:06:02,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:06:02,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:06:02,066 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:06:02,066 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:06:02,066 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:06:02,066 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:06:02,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:06:02,067 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:06:02,067 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:06:02,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:06:02,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:06:02,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:06:02,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:06:02,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:06:02,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:06:02,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:06:02,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:06:02,070 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:06:02,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:06:02,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:06:02,070 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:06:02,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:06:02,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:06:02,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:06:02,071 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_d355b609-a630-4148-a0d0-980298add9d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-12-14 16:06:02,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:06:02,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:06:02,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:06:02,279 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:06:02,279 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:06:02,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-14 16:06:04,799 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:06:05,128 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:06:05,129 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-14 16:06:05,152 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/data/737f73713/4625a7f3182a49d6ba020c2d6afa45ee/FLAGf2ab7d40b [2022-12-14 16:06:05,363 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/data/737f73713/4625a7f3182a49d6ba020c2d6afa45ee [2022-12-14 16:06:05,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:06:05,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:06:05,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:06:05,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:06:05,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:06:05,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:06:05" (1/1) ... [2022-12-14 16:06:05,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a00451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:05, skipping insertion in model container [2022-12-14 16:06:05,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:06:05" (1/1) ... [2022-12-14 16:06:05,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:06:05,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:06:05,720 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_d355b609-a630-4148-a0d0-980298add9d8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-14 16:06:06,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:06,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:06,817 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-14 16:06:06,821 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 16:06:06,826 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 16:06:06,834 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 16:06:06,938 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 16:06:06,943 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 16:06:07,059 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-14 16:06:07,255 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 16:06:07,263 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 16:06:07,327 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-14 16:06:07,330 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-14 16:06:07,578 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-14 16:06:07,582 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-14 16:06:07,585 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-14 16:06:07,666 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 16:06:07,666 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 16:06:07,668 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-14 16:06:07,668 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 16:06:07,804 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-14 16:06:07,835 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 16:06:07,977 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-14 16:06:07,980 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 16:06:08,124 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 16:06:08,270 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 16:06:08,270 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-14 16:06:08,270 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 16:06:09,007 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-14 16:06:09,008 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,010 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,013 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,016 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,511 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-14 16:06:09,516 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-14 16:06:09,521 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-14 16:06:09,528 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 16:06:09,528 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-14 16:06:09,532 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 16:06:09,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:06:09,566 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:06:09,579 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_d355b609-a630-4148-a0d0-980298add9d8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-14 16:06:09,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:06:09,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:06:09,619 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-14 16:06:09,619 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 16:06:09,620 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 16:06:09,620 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 16:06:09,625 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 16:06:09,627 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 16:06:09,631 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-14 16:06:09,649 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 16:06:09,651 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 16:06:09,654 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-14 16:06:09,654 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-14 16:06:09,665 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-14 16:06:09,665 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-14 16:06:09,665 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-14 16:06:09,668 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 16:06:09,669 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 16:06:09,669 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-14 16:06:09,669 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 16:06:09,676 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-14 16:06:09,678 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 16:06:09,683 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-14 16:06:09,684 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 16:06:09,688 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 16:06:09,692 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 16:06:09,692 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-14 16:06:09,692 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 16:06:09,794 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-14 16:06:09,795 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,797 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,800 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,802 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 16:06:09,838 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-14 16:06:09,840 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-14 16:06:09,841 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-14 16:06:09,842 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 16:06:09,843 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-14 16:06:09,843 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 16:06:09,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:06:10,256 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:06:10,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10 WrapperNode [2022-12-14 16:06:10,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:06:10,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:06:10,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:06:10,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:06:10,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,387 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 16, statements flattened = 447 [2022-12-14 16:06:10,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:06:10,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:06:10,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:06:10,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:06:10,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:06:10,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:06:10,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:06:10,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:06:10,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (1/1) ... [2022-12-14 16:06:10,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:06:10,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:06:10,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:06:10,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:06:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:06:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:06:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-14 16:06:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:06:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:06:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 16:06:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 16:06:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:06:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-14 16:06:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-14 16:06:10,487 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 16:06:10,841 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:06:10,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:06:11,265 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:06:11,316 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:06:11,316 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:06:11,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:06:11 BoogieIcfgContainer [2022-12-14 16:06:11,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:06:11,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:06:11,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:06:11,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:06:11,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:06:05" (1/3) ... [2022-12-14 16:06:11,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faf2b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:06:11, skipping insertion in model container [2022-12-14 16:06:11,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:10" (2/3) ... [2022-12-14 16:06:11,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faf2b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:06:11, skipping insertion in model container [2022-12-14 16:06:11,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:06:11" (3/3) ... [2022-12-14 16:06:11,326 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-14 16:06:11,334 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 16:06:11,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:06:11,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-12-14 16:06:11,342 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 16:06:11,447 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 16:06:11,489 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 16:06:11,506 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 505 transitions, 1026 flow [2022-12-14 16:06:11,509 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 505 transitions, 1026 flow [2022-12-14 16:06:11,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 501 places, 505 transitions, 1026 flow [2022-12-14 16:06:11,686 INFO L130 PetriNetUnfolder]: 11/503 cut-off events. [2022-12-14 16:06:11,687 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 16:06:11,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 503 events. 11/503 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 504 event pairs, 0 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 374. Up to 5 conditions per place. [2022-12-14 16:06:11,704 INFO L119 LiptonReduction]: Number of co-enabled transitions 18576 [2022-12-14 16:09:22,683 WARN L233 SmtUtils]: Spent 6.80s on a formula simplification that was a NOOP. DAG size: 317 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:09:30,510 WARN L233 SmtUtils]: Spent 7.82s on a formula simplification that was a NOOP. DAG size: 313 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:09:38,567 WARN L233 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 328 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:09:47,594 WARN L233 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:12:39,556 WARN L233 SmtUtils]: Spent 2.86m on a formula simplification. DAG size of input: 594 DAG size of output: 590 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:13:52,674 WARN L233 SmtUtils]: Spent 1.22m on a formula simplification that was a NOOP. DAG size: 516 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:16:12,707 WARN L233 SmtUtils]: Spent 2.33m on a formula simplification. DAG size of input: 605 DAG size of output: 601 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:16:59,969 WARN L233 SmtUtils]: Spent 47.24s on a formula simplification that was a NOOP. DAG size: 527 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:17:00,301 INFO L134 LiptonReduction]: Checked pairs total: 157836 [2022-12-14 16:17:00,301 INFO L136 LiptonReduction]: Total number of compositions: 618 [2022-12-14 16:17:00,306 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 106 transitions, 228 flow [2022-12-14 16:17:00,404 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4356 states, 4214 states have (on average 2.8234456573327007) internal successors, (11898), 4355 states have internal predecessors, (11898), 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 16:17:00,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:17:00,425 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;@51829660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:17:00,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-12-14 16:17:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 4356 states, 4214 states have (on average 2.8234456573327007) internal successors, (11898), 4355 states have internal predecessors, (11898), 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 16:17:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 16:17:00,443 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:00,444 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 16:17:00,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:00,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1919, now seen corresponding path program 1 times [2022-12-14 16:17:00,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:00,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076475816] [2022-12-14 16:17:00,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:00,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:00,624 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 16:17:00,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:00,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076475816] [2022-12-14 16:17:00,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076475816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:00,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:00,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 16:17:00,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674675117] [2022-12-14 16:17:00,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:00,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 16:17:00,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:00,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 16:17:00,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:17:00,659 INFO L87 Difference]: Start difference. First operand has 4356 states, 4214 states have (on average 2.8234456573327007) internal successors, (11898), 4355 states have internal predecessors, (11898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:17:00,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:00,912 INFO L93 Difference]: Finished difference Result 1849 states and 4653 transitions. [2022-12-14 16:17:00,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 16:17:00,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 16:17:00,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:00,935 INFO L225 Difference]: With dead ends: 1849 [2022-12-14 16:17:00,936 INFO L226 Difference]: Without dead ends: 1849 [2022-12-14 16:17:00,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:17:00,939 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:00,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:17:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-12-14 16:17:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1849. [2022-12-14 16:17:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1835 states have (on average 2.535694822888283) internal successors, (4653), 1848 states have internal predecessors, (4653), 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 16:17:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 4653 transitions. [2022-12-14 16:17:01,017 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 4653 transitions. Word has length 1 [2022-12-14 16:17:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:01,017 INFO L495 AbstractCegarLoop]: Abstraction has 1849 states and 4653 transitions. [2022-12-14 16:17:01,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:17:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 4653 transitions. [2022-12-14 16:17:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:17:01,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:01,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:01,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:17:01,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:01,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:01,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1154709646, now seen corresponding path program 1 times [2022-12-14 16:17:01,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:01,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137726588] [2022-12-14 16:17:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:01,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:01,995 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 16:17:01,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:01,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137726588] [2022-12-14 16:17:01,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137726588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:01,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:01,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:17:01,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200762240] [2022-12-14 16:17:01,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:01,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:17:01,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:01,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:17:01,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:17:01,998 INFO L87 Difference]: Start difference. First operand 1849 states and 4653 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 16:17:03,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:03,692 INFO L93 Difference]: Finished difference Result 2968 states and 7260 transitions. [2022-12-14 16:17:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:17:03,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 16:17:03,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:03,702 INFO L225 Difference]: With dead ends: 2968 [2022-12-14 16:17:03,703 INFO L226 Difference]: Without dead ends: 2968 [2022-12-14 16:17:03,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:17:03,704 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:03,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 44 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 16:17:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2022-12-14 16:17:03,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2445. [2022-12-14 16:17:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2431 states have (on average 2.572192513368984) internal successors, (6253), 2444 states have internal predecessors, (6253), 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 16:17:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 6253 transitions. [2022-12-14 16:17:03,756 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 6253 transitions. Word has length 10 [2022-12-14 16:17:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:03,756 INFO L495 AbstractCegarLoop]: Abstraction has 2445 states and 6253 transitions. [2022-12-14 16:17:03,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 16:17:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 6253 transitions. [2022-12-14 16:17:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:17:03,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:03,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:03,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:17:03,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:03,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:03,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1573598760, now seen corresponding path program 1 times [2022-12-14 16:17:03,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:03,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640000667] [2022-12-14 16:17:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:05,727 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 16:17:05,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:05,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640000667] [2022-12-14 16:17:05,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640000667] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:05,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:05,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 16:17:05,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238605050] [2022-12-14 16:17:05,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:05,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 16:17:05,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:05,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 16:17:05,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-14 16:17:05,730 INFO L87 Difference]: Start difference. First operand 2445 states and 6253 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 16:17:08,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:08,477 INFO L93 Difference]: Finished difference Result 3056 states and 7533 transitions. [2022-12-14 16:17:08,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:17:08,477 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 12 [2022-12-14 16:17:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:08,487 INFO L225 Difference]: With dead ends: 3056 [2022-12-14 16:17:08,487 INFO L226 Difference]: Without dead ends: 3056 [2022-12-14 16:17:08,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-14 16:17:08,488 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 130 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:08,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 36 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 16:17:08,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-12-14 16:17:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2305. [2022-12-14 16:17:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2305 states, 2292 states have (on average 2.566753926701571) internal successors, (5883), 2304 states have internal predecessors, (5883), 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 16:17:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 5883 transitions. [2022-12-14 16:17:08,534 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 5883 transitions. Word has length 12 [2022-12-14 16:17:08,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:08,534 INFO L495 AbstractCegarLoop]: Abstraction has 2305 states and 5883 transitions. [2022-12-14 16:17:08,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 16:17:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 5883 transitions. [2022-12-14 16:17:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:17:08,536 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:08,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:08,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:17:08,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:08,537 INFO L85 PathProgramCache]: Analyzing trace with hash -371422600, now seen corresponding path program 1 times [2022-12-14 16:17:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:08,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790592995] [2022-12-14 16:17:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:13,840 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 16:17:13,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:13,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790592995] [2022-12-14 16:17:13,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790592995] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:13,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:13,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:17:13,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394014589] [2022-12-14 16:17:13,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:13,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:17:13,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:13,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:17:13,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:13,843 INFO L87 Difference]: Start difference. First operand 2305 states and 5883 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:17,223 INFO L93 Difference]: Finished difference Result 3955 states and 9390 transitions. [2022-12-14 16:17:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 16:17:17,224 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-12-14 16:17:17,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:17,234 INFO L225 Difference]: With dead ends: 3955 [2022-12-14 16:17:17,235 INFO L226 Difference]: Without dead ends: 3955 [2022-12-14 16:17:17,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2022-12-14 16:17:17,235 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 191 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:17,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 42 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 16:17:17,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2022-12-14 16:17:17,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 2468. [2022-12-14 16:17:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2468 states, 2455 states have (on average 2.590224032586558) internal successors, (6359), 2467 states have internal predecessors, (6359), 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 16:17:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 6359 transitions. [2022-12-14 16:17:17,285 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 6359 transitions. Word has length 14 [2022-12-14 16:17:17,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:17,286 INFO L495 AbstractCegarLoop]: Abstraction has 2468 states and 6359 transitions. [2022-12-14 16:17:17,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 6359 transitions. [2022-12-14 16:17:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:17:17,287 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:17,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:17,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:17:17,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:17,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:17,288 INFO L85 PathProgramCache]: Analyzing trace with hash 938173996, now seen corresponding path program 2 times [2022-12-14 16:17:17,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:17,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090938965] [2022-12-14 16:17:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:17,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:18,180 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 16:17:18,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:18,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090938965] [2022-12-14 16:17:18,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090938965] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:18,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:18,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:17:18,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795281362] [2022-12-14 16:17:18,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:18,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:17:18,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:17:18,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:18,182 INFO L87 Difference]: Start difference. First operand 2468 states and 6359 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:21,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:21,494 INFO L93 Difference]: Finished difference Result 4306 states and 10357 transitions. [2022-12-14 16:17:21,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 16:17:21,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-12-14 16:17:21,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:21,506 INFO L225 Difference]: With dead ends: 4306 [2022-12-14 16:17:21,506 INFO L226 Difference]: Without dead ends: 4306 [2022-12-14 16:17:21,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-12-14 16:17:21,507 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 219 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:21,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 42 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 16:17:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2022-12-14 16:17:21,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 2615. [2022-12-14 16:17:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2602 states have (on average 2.608378170637971) internal successors, (6787), 2614 states have internal predecessors, (6787), 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 16:17:21,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 6787 transitions. [2022-12-14 16:17:21,554 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 6787 transitions. Word has length 14 [2022-12-14 16:17:21,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:21,554 INFO L495 AbstractCegarLoop]: Abstraction has 2615 states and 6787 transitions. [2022-12-14 16:17:21,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:21,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 6787 transitions. [2022-12-14 16:17:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:17:21,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:21,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:21,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:17:21,556 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:21,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1793403452, now seen corresponding path program 3 times [2022-12-14 16:17:21,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:21,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551495605] [2022-12-14 16:17:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:22,356 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 16:17:22,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:22,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551495605] [2022-12-14 16:17:22,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551495605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:22,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:22,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:17:22,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146204270] [2022-12-14 16:17:22,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:22,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:17:22,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:22,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:17:22,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:22,359 INFO L87 Difference]: Start difference. First operand 2615 states and 6787 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:25,732 INFO L93 Difference]: Finished difference Result 4628 states and 11283 transitions. [2022-12-14 16:17:25,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 16:17:25,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-12-14 16:17:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:25,746 INFO L225 Difference]: With dead ends: 4628 [2022-12-14 16:17:25,746 INFO L226 Difference]: Without dead ends: 4628 [2022-12-14 16:17:25,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-12-14 16:17:25,747 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 214 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:25,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 42 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 16:17:25,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4628 states. [2022-12-14 16:17:25,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4628 to 2762. [2022-12-14 16:17:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2749 states have (on average 2.624590760276464) internal successors, (7215), 2761 states have internal predecessors, (7215), 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 16:17:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 7215 transitions. [2022-12-14 16:17:25,794 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 7215 transitions. Word has length 14 [2022-12-14 16:17:25,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:25,794 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 7215 transitions. [2022-12-14 16:17:25,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 7215 transitions. [2022-12-14 16:17:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:17:25,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:25,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:25,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:17:25,795 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:25,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash -564259704, now seen corresponding path program 4 times [2022-12-14 16:17:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:25,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129252449] [2022-12-14 16:17:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:25,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:17:26,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:26,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129252449] [2022-12-14 16:17:26,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129252449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:26,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:26,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:17:26,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239431108] [2022-12-14 16:17:26,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:26,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:17:26,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:17:26,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:26,579 INFO L87 Difference]: Start difference. First operand 2762 states and 7215 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:29,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:29,423 INFO L93 Difference]: Finished difference Result 5007 states and 12299 transitions. [2022-12-14 16:17:29,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 16:17:29,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-12-14 16:17:29,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:29,435 INFO L225 Difference]: With dead ends: 5007 [2022-12-14 16:17:29,435 INFO L226 Difference]: Without dead ends: 5007 [2022-12-14 16:17:29,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 16:17:29,436 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 222 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:29,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 42 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 16:17:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5007 states. [2022-12-14 16:17:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5007 to 2909. [2022-12-14 16:17:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2896 states have (on average 2.639157458563536) internal successors, (7643), 2908 states have internal predecessors, (7643), 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 16:17:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 7643 transitions. [2022-12-14 16:17:29,486 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 7643 transitions. Word has length 14 [2022-12-14 16:17:29,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:29,486 INFO L495 AbstractCegarLoop]: Abstraction has 2909 states and 7643 transitions. [2022-12-14 16:17:29,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:29,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 7643 transitions. [2022-12-14 16:17:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:17:29,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:29,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:29,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 16:17:29,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:29,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1841872196, now seen corresponding path program 5 times [2022-12-14 16:17:29,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:29,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593083463] [2022-12-14 16:17:29,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:29,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:30,175 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 16:17:30,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:30,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593083463] [2022-12-14 16:17:30,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593083463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:30,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:30,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:17:30,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023425761] [2022-12-14 16:17:30,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:30,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:17:30,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:17:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:30,178 INFO L87 Difference]: Start difference. First operand 2909 states and 7643 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:32,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:32,321 INFO L93 Difference]: Finished difference Result 3928 states and 9878 transitions. [2022-12-14 16:17:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:17:32,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-12-14 16:17:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:32,330 INFO L225 Difference]: With dead ends: 3928 [2022-12-14 16:17:32,330 INFO L226 Difference]: Without dead ends: 3928 [2022-12-14 16:17:32,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-12-14 16:17:32,330 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 211 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:32,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 24 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 16:17:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3928 states. [2022-12-14 16:17:32,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 2529. [2022-12-14 16:17:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 2516 states have (on average 2.5822734499205087) internal successors, (6497), 2528 states have internal predecessors, (6497), 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 16:17:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 6497 transitions. [2022-12-14 16:17:32,372 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 6497 transitions. Word has length 14 [2022-12-14 16:17:32,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:32,373 INFO L495 AbstractCegarLoop]: Abstraction has 2529 states and 6497 transitions. [2022-12-14 16:17:32,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:17:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 6497 transitions. [2022-12-14 16:17:32,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:17:32,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:32,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:32,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 16:17:32,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_nvram_llseekErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:32,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:32,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1992041891, now seen corresponding path program 1 times [2022-12-14 16:17:32,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:32,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464930352] [2022-12-14 16:17:32,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:32,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:33,332 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 16:17:33,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:33,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464930352] [2022-12-14 16:17:33,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464930352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:33,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:33,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:17:33,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98357753] [2022-12-14 16:17:33,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:33,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:17:33,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:33,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:17:33,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:33,334 INFO L87 Difference]: Start difference. First operand 2529 states and 6497 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 16:17:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:34,882 INFO L93 Difference]: Finished difference Result 3636 states and 9034 transitions. [2022-12-14 16:17:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 16:17:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 15 [2022-12-14 16:17:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:34,889 INFO L225 Difference]: With dead ends: 3636 [2022-12-14 16:17:34,889 INFO L226 Difference]: Without dead ends: 3607 [2022-12-14 16:17:34,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:17:34,889 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 88 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:34,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 26 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 16:17:34,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2022-12-14 16:17:34,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3195. [2022-12-14 16:17:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3195 states, 3182 states have (on average 2.513827781269642) internal successors, (7999), 3194 states have internal predecessors, (7999), 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 16:17:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 7999 transitions. [2022-12-14 16:17:34,934 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 7999 transitions. Word has length 15 [2022-12-14 16:17:34,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:34,934 INFO L495 AbstractCegarLoop]: Abstraction has 3195 states and 7999 transitions. [2022-12-14 16:17:34,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 16:17:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 7999 transitions. [2022-12-14 16:17:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:17:34,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:34,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:34,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 16:17:34,935 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:34,936 INFO L85 PathProgramCache]: Analyzing trace with hash -454024354, now seen corresponding path program 1 times [2022-12-14 16:17:34,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:34,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673267852] [2022-12-14 16:17:34,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:34,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:36,721 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 16:17:36,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:36,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673267852] [2022-12-14 16:17:36,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673267852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:36,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:36,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:17:36,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560859957] [2022-12-14 16:17:36,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:36,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 16:17:36,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:36,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 16:17:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:17:36,723 INFO L87 Difference]: Start difference. First operand 3195 states and 7999 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:39,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:39,989 INFO L93 Difference]: Finished difference Result 4893 states and 11436 transitions. [2022-12-14 16:17:39,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:17:39,989 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-12-14 16:17:39,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:39,997 INFO L225 Difference]: With dead ends: 4893 [2022-12-14 16:17:39,997 INFO L226 Difference]: Without dead ends: 4893 [2022-12-14 16:17:39,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-12-14 16:17:39,998 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 174 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:39,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 36 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 16:17:40,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4893 states. [2022-12-14 16:17:40,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4893 to 3253. [2022-12-14 16:17:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 3240 states have (on average 2.5237654320987652) internal successors, (8177), 3252 states have internal predecessors, (8177), 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 16:17:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 8177 transitions. [2022-12-14 16:17:40,056 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 8177 transitions. Word has length 16 [2022-12-14 16:17:40,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:40,056 INFO L495 AbstractCegarLoop]: Abstraction has 3253 states and 8177 transitions. [2022-12-14 16:17:40,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 8177 transitions. [2022-12-14 16:17:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:17:40,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:40,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:40,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 16:17:40,058 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:40,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:40,058 INFO L85 PathProgramCache]: Analyzing trace with hash -357113326, now seen corresponding path program 2 times [2022-12-14 16:17:40,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:40,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417126778] [2022-12-14 16:17:40,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:41,498 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 16:17:41,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:41,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417126778] [2022-12-14 16:17:41,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417126778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:41,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:41,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:17:41,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084569653] [2022-12-14 16:17:41,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:41,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 16:17:41,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:41,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 16:17:41,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:17:41,501 INFO L87 Difference]: Start difference. First operand 3253 states and 8177 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:46,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:46,997 INFO L93 Difference]: Finished difference Result 5384 states and 12751 transitions. [2022-12-14 16:17:46,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 16:17:46,998 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-12-14 16:17:46,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:47,005 INFO L225 Difference]: With dead ends: 5384 [2022-12-14 16:17:47,006 INFO L226 Difference]: Without dead ends: 5384 [2022-12-14 16:17:47,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-12-14 16:17:47,006 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 186 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:47,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 36 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 1730 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 16:17:47,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5384 states. [2022-12-14 16:17:47,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5384 to 3311. [2022-12-14 16:17:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3298 states have (on average 2.5333535476046087) internal successors, (8355), 3310 states have internal predecessors, (8355), 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 16:17:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 8355 transitions. [2022-12-14 16:17:47,059 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 8355 transitions. Word has length 16 [2022-12-14 16:17:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:47,059 INFO L495 AbstractCegarLoop]: Abstraction has 3311 states and 8355 transitions. [2022-12-14 16:17:47,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 8355 transitions. [2022-12-14 16:17:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:17:47,061 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:47,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:47,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 16:17:47,061 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:47,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1179640354, now seen corresponding path program 3 times [2022-12-14 16:17:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:47,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586817973] [2022-12-14 16:17:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:47,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:48,738 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 16:17:48,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:48,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586817973] [2022-12-14 16:17:48,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586817973] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:48,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:48,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:17:48,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367224474] [2022-12-14 16:17:48,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:48,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 16:17:48,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:48,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 16:17:48,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:17:48,740 INFO L87 Difference]: Start difference. First operand 3311 states and 8355 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:52,741 INFO L93 Difference]: Finished difference Result 5855 states and 14031 transitions. [2022-12-14 16:17:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 16:17:52,741 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-12-14 16:17:52,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:52,749 INFO L225 Difference]: With dead ends: 5855 [2022-12-14 16:17:52,749 INFO L226 Difference]: Without dead ends: 5855 [2022-12-14 16:17:52,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-12-14 16:17:52,750 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 263 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:52,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 36 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 16:17:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5855 states. [2022-12-14 16:17:52,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5855 to 3369. [2022-12-14 16:17:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 3356 states have (on average 2.5426102502979737) internal successors, (8533), 3368 states have internal predecessors, (8533), 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 16:17:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 8533 transitions. [2022-12-14 16:17:52,805 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 8533 transitions. Word has length 16 [2022-12-14 16:17:52,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:52,805 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 8533 transitions. [2022-12-14 16:17:52,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 8533 transitions. [2022-12-14 16:17:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:17:52,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:52,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:52,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 16:17:52,807 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:52,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1086887570, now seen corresponding path program 4 times [2022-12-14 16:17:52,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:52,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644554188] [2022-12-14 16:17:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:52,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:54,034 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 16:17:54,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:54,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644554188] [2022-12-14 16:17:54,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644554188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:54,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:54,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:17:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467278121] [2022-12-14 16:17:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:54,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 16:17:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 16:17:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:17:54,036 INFO L87 Difference]: Start difference. First operand 3369 states and 8533 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:57,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:57,412 INFO L93 Difference]: Finished difference Result 6456 states and 15570 transitions. [2022-12-14 16:17:57,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 16:17:57,413 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-12-14 16:17:57,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:57,422 INFO L225 Difference]: With dead ends: 6456 [2022-12-14 16:17:57,422 INFO L226 Difference]: Without dead ends: 6456 [2022-12-14 16:17:57,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-12-14 16:17:57,423 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 201 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:57,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 36 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 16:17:57,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6456 states. [2022-12-14 16:17:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6456 to 3427. [2022-12-14 16:17:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3427 states, 3414 states have (on average 2.551552431165788) internal successors, (8711), 3426 states have internal predecessors, (8711), 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 16:17:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 8711 transitions. [2022-12-14 16:17:57,482 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 8711 transitions. Word has length 16 [2022-12-14 16:17:57,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:57,482 INFO L495 AbstractCegarLoop]: Abstraction has 3427 states and 8711 transitions. [2022-12-14 16:17:57,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:17:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 8711 transitions. [2022-12-14 16:17:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:17:57,484 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:57,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:57,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 16:17:57,485 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:57,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash -511845726, now seen corresponding path program 5 times [2022-12-14 16:17:57,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:57,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898105116] [2022-12-14 16:17:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:57,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:59,123 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 16:17:59,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:59,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898105116] [2022-12-14 16:17:59,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898105116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:59,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:59,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:17:59,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36678264] [2022-12-14 16:17:59,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:59,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 16:17:59,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:59,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 16:17:59,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:17:59,124 INFO L87 Difference]: Start difference. First operand 3427 states and 8711 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:18:01,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:01,608 INFO L93 Difference]: Finished difference Result 3955 states and 10057 transitions. [2022-12-14 16:18:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:18:01,609 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-12-14 16:18:01,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:01,615 INFO L225 Difference]: With dead ends: 3955 [2022-12-14 16:18:01,615 INFO L226 Difference]: Without dead ends: 3955 [2022-12-14 16:18:01,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-12-14 16:18:01,615 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 267 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:01,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 0 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 16:18:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2022-12-14 16:18:01,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 2131. [2022-12-14 16:18:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 2122 states have (on average 2.4302544769085768) internal successors, (5157), 2130 states have internal predecessors, (5157), 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 16:18:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 5157 transitions. [2022-12-14 16:18:01,650 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 5157 transitions. Word has length 16 [2022-12-14 16:18:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:01,650 INFO L495 AbstractCegarLoop]: Abstraction has 2131 states and 5157 transitions. [2022-12-14 16:18:01,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16:18:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 5157 transitions. [2022-12-14 16:18:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:18:01,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:01,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:01,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 16:18:01,652 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1597393919, now seen corresponding path program 1 times [2022-12-14 16:18:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:01,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583436762] [2022-12-14 16:18:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:01,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:02,643 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 16:18:02,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:02,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583436762] [2022-12-14 16:18:02,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583436762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:02,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:02,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:18:02,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711964384] [2022-12-14 16:18:02,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:02,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:18:02,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:02,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:18:02,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:18:02,644 INFO L87 Difference]: Start difference. First operand 2131 states and 5157 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 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 16:18:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:03,695 INFO L93 Difference]: Finished difference Result 2414 states and 5835 transitions. [2022-12-14 16:18:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 16:18:03,695 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-12-14 16:18:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:03,699 INFO L225 Difference]: With dead ends: 2414 [2022-12-14 16:18:03,699 INFO L226 Difference]: Without dead ends: 2393 [2022-12-14 16:18:03,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:18:03,699 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 62 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:03,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 39 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 16:18:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2022-12-14 16:18:03,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2362. [2022-12-14 16:18:03,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 2353 states have (on average 2.42966425839354) internal successors, (5717), 2361 states have internal predecessors, (5717), 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 16:18:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 5717 transitions. [2022-12-14 16:18:03,729 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 5717 transitions. Word has length 16 [2022-12-14 16:18:03,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:03,730 INFO L495 AbstractCegarLoop]: Abstraction has 2362 states and 5717 transitions. [2022-12-14 16:18:03,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 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 16:18:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 5717 transitions. [2022-12-14 16:18:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:18:03,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:03,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:03,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 16:18:03,731 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_nvram_llseekErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:03,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1635756163, now seen corresponding path program 1 times [2022-12-14 16:18:03,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:03,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227706187] [2022-12-14 16:18:03,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:05,482 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 16:18:05,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:05,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227706187] [2022-12-14 16:18:05,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227706187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:05,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:05,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 16:18:05,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117243125] [2022-12-14 16:18:05,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:05,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 16:18:05,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:05,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 16:18:05,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-14 16:18:05,485 INFO L87 Difference]: Start difference. First operand 2362 states and 5717 transitions. Second operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 16:18:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:07,754 INFO L93 Difference]: Finished difference Result 2401 states and 5831 transitions. [2022-12-14 16:18:07,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:07,755 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 17 [2022-12-14 16:18:07,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:07,758 INFO L225 Difference]: With dead ends: 2401 [2022-12-14 16:18:07,758 INFO L226 Difference]: Without dead ends: 2377 [2022-12-14 16:18:07,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2022-12-14 16:18:07,758 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 173 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:07,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 30 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 16:18:07,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2377 states. [2022-12-14 16:18:07,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2377 to 1768. [2022-12-14 16:18:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1765 states have (on average 2.4912181303116148) internal successors, (4397), 1767 states have internal predecessors, (4397), 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 16:18:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 4397 transitions. [2022-12-14 16:18:07,779 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 4397 transitions. Word has length 17 [2022-12-14 16:18:07,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:07,779 INFO L495 AbstractCegarLoop]: Abstraction has 1768 states and 4397 transitions. [2022-12-14 16:18:07,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 16:18:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 4397 transitions. [2022-12-14 16:18:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 16:18:07,780 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:07,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:07,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 16:18:07,780 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:07,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:07,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1668125120, now seen corresponding path program 1 times [2022-12-14 16:18:07,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:07,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705387106] [2022-12-14 16:18:07,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:07,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:18:09,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:09,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705387106] [2022-12-14 16:18:09,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705387106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:09,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:09,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 16:18:09,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874887948] [2022-12-14 16:18:09,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:09,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 16:18:09,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:09,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 16:18:09,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-12-14 16:18:09,109 INFO L87 Difference]: Start difference. First operand 1768 states and 4397 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 16:18:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:11,579 INFO L93 Difference]: Finished difference Result 1847 states and 4599 transitions. [2022-12-14 16:18:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:11,580 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 18 [2022-12-14 16:18:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:11,582 INFO L225 Difference]: With dead ends: 1847 [2022-12-14 16:18:11,582 INFO L226 Difference]: Without dead ends: 1847 [2022-12-14 16:18:11,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2022-12-14 16:18:11,583 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 287 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:11,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 16 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 16:18:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2022-12-14 16:18:11,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1766. [2022-12-14 16:18:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1763 states have (on average 2.490640952921157) internal successors, (4391), 1765 states have internal predecessors, (4391), 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 16:18:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 4391 transitions. [2022-12-14 16:18:11,606 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 4391 transitions. Word has length 18 [2022-12-14 16:18:11,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:11,606 INFO L495 AbstractCegarLoop]: Abstraction has 1766 states and 4391 transitions. [2022-12-14 16:18:11,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 16:18:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 4391 transitions. [2022-12-14 16:18:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 16:18:11,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:11,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:11,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 16:18:11,607 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:11,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:11,608 INFO L85 PathProgramCache]: Analyzing trace with hash 501731218, now seen corresponding path program 2 times [2022-12-14 16:18:11,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:11,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368992052] [2022-12-14 16:18:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:11,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:13,326 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 16:18:13,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:13,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368992052] [2022-12-14 16:18:13,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368992052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:13,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:13,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 16:18:13,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253849507] [2022-12-14 16:18:13,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:13,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 16:18:13,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:13,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 16:18:13,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-12-14 16:18:13,329 INFO L87 Difference]: Start difference. First operand 1766 states and 4391 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 16:18:16,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:16,002 INFO L93 Difference]: Finished difference Result 1871 states and 4629 transitions. [2022-12-14 16:18:16,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:16,003 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 18 [2022-12-14 16:18:16,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:16,006 INFO L225 Difference]: With dead ends: 1871 [2022-12-14 16:18:16,006 INFO L226 Difference]: Without dead ends: 1871 [2022-12-14 16:18:16,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=174, Invalid=332, Unknown=0, NotChecked=0, Total=506 [2022-12-14 16:18:16,007 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 183 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:16,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 21 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 16:18:16,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2022-12-14 16:18:16,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1678. [2022-12-14 16:18:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1675 states have (on average 2.4746268656716417) internal successors, (4145), 1677 states have internal predecessors, (4145), 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 16:18:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 4145 transitions. [2022-12-14 16:18:16,039 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 4145 transitions. Word has length 18 [2022-12-14 16:18:16,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:16,039 INFO L495 AbstractCegarLoop]: Abstraction has 1678 states and 4145 transitions. [2022-12-14 16:18:16,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 16:18:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 4145 transitions. [2022-12-14 16:18:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 16:18:16,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:16,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:16,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 16:18:16,041 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:16,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1791749209, now seen corresponding path program 1 times [2022-12-14 16:18:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:16,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968710680] [2022-12-14 16:18:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:18,013 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 16:18:18,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968710680] [2022-12-14 16:18:18,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968710680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:18,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:18,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 16:18:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409067157] [2022-12-14 16:18:18,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:18,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 16:18:18,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:18,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 16:18:18,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-12-14 16:18:18,015 INFO L87 Difference]: Start difference. First operand 1678 states and 4145 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 16:18:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:20,750 INFO L93 Difference]: Finished difference Result 1973 states and 4872 transitions. [2022-12-14 16:18:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:20,751 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 18 [2022-12-14 16:18:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:20,753 INFO L225 Difference]: With dead ends: 1973 [2022-12-14 16:18:20,753 INFO L226 Difference]: Without dead ends: 1973 [2022-12-14 16:18:20,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=189, Invalid=317, Unknown=0, NotChecked=0, Total=506 [2022-12-14 16:18:20,754 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 178 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:20,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 41 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 16:18:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-12-14 16:18:20,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1842. [2022-12-14 16:18:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1839 states have (on average 2.4964654703643285) internal successors, (4591), 1841 states have internal predecessors, (4591), 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 16:18:20,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 4591 transitions. [2022-12-14 16:18:20,777 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 4591 transitions. Word has length 18 [2022-12-14 16:18:20,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:20,777 INFO L495 AbstractCegarLoop]: Abstraction has 1842 states and 4591 transitions. [2022-12-14 16:18:20,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 16:18:20,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 4591 transitions. [2022-12-14 16:18:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:18:20,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:20,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:20,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 16:18:20,779 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:20,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:20,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1809168563, now seen corresponding path program 1 times [2022-12-14 16:18:20,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:20,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907665870] [2022-12-14 16:18:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:20,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:21,209 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 16:18:21,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:21,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907665870] [2022-12-14 16:18:21,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907665870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:21,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:21,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:18:21,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104913622] [2022-12-14 16:18:21,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:21,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:18:21,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:21,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:18:21,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:18:21,211 INFO L87 Difference]: Start difference. First operand 1842 states and 4591 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 16:18:22,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:22,809 INFO L93 Difference]: Finished difference Result 1956 states and 4783 transitions. [2022-12-14 16:18:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:18:22,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2022-12-14 16:18:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:22,811 INFO L225 Difference]: With dead ends: 1956 [2022-12-14 16:18:22,811 INFO L226 Difference]: Without dead ends: 1242 [2022-12-14 16:18:22,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:18:22,812 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:22,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 40 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 16:18:22,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2022-12-14 16:18:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1234. [2022-12-14 16:18:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1231 states have (on average 2.372055239642567) internal successors, (2920), 1233 states have internal predecessors, (2920), 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 16:18:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 2920 transitions. [2022-12-14 16:18:22,826 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 2920 transitions. Word has length 20 [2022-12-14 16:18:22,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:22,827 INFO L495 AbstractCegarLoop]: Abstraction has 1234 states and 2920 transitions. [2022-12-14 16:18:22,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 16:18:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2920 transitions. [2022-12-14 16:18:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:18:22,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:22,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:22,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 16:18:22,828 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:22,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1044956634, now seen corresponding path program 1 times [2022-12-14 16:18:22,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:22,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165201376] [2022-12-14 16:18:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:22,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:25,263 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 16:18:25,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:25,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165201376] [2022-12-14 16:18:25,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165201376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:25,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:25,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 16:18:25,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285368470] [2022-12-14 16:18:25,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:25,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 16:18:25,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:25,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 16:18:25,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-12-14 16:18:25,265 INFO L87 Difference]: Start difference. First operand 1234 states and 2920 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 16:18:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:28,906 INFO L93 Difference]: Finished difference Result 1226 states and 2899 transitions. [2022-12-14 16:18:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:28,907 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 20 [2022-12-14 16:18:28,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:28,909 INFO L225 Difference]: With dead ends: 1226 [2022-12-14 16:18:28,909 INFO L226 Difference]: Without dead ends: 1226 [2022-12-14 16:18:28,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=186, Invalid=366, Unknown=0, NotChecked=0, Total=552 [2022-12-14 16:18:28,909 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 245 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:28,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 14 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 16:18:28,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2022-12-14 16:18:28,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 926. [2022-12-14 16:18:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 923 states have (on average 2.3499458288190684) internal successors, (2169), 925 states have internal predecessors, (2169), 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 16:18:28,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 2169 transitions. [2022-12-14 16:18:28,927 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 2169 transitions. Word has length 20 [2022-12-14 16:18:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:28,927 INFO L495 AbstractCegarLoop]: Abstraction has 926 states and 2169 transitions. [2022-12-14 16:18:28,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 16:18:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 2169 transitions. [2022-12-14 16:18:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 16:18:28,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:28,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:28,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 16:18:28,929 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:28,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:28,930 INFO L85 PathProgramCache]: Analyzing trace with hash 942751855, now seen corresponding path program 1 times [2022-12-14 16:18:28,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:28,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388901367] [2022-12-14 16:18:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:28,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:18:29,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:29,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388901367] [2022-12-14 16:18:29,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388901367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:29,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:29,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:18:29,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066258792] [2022-12-14 16:18:29,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:29,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:18:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:29,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:18:29,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:18:29,809 INFO L87 Difference]: Start difference. First operand 926 states and 2169 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:18:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:31,686 INFO L93 Difference]: Finished difference Result 888 states and 2094 transitions. [2022-12-14 16:18:31,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-12-14 16:18:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:31,688 INFO L225 Difference]: With dead ends: 888 [2022-12-14 16:18:31,688 INFO L226 Difference]: Without dead ends: 783 [2022-12-14 16:18:31,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-12-14 16:18:31,689 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 169 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:31,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 15 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 16:18:31,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-12-14 16:18:31,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 748. [2022-12-14 16:18:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 747 states have (on average 2.467202141900937) internal successors, (1843), 747 states have internal predecessors, (1843), 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 16:18:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1843 transitions. [2022-12-14 16:18:31,699 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1843 transitions. Word has length 24 [2022-12-14 16:18:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:31,699 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 1843 transitions. [2022-12-14 16:18:31,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:18:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1843 transitions. [2022-12-14 16:18:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:18:31,700 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:31,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:31,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 16:18:31,700 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash -894106067, now seen corresponding path program 1 times [2022-12-14 16:18:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:31,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530336156] [2022-12-14 16:18:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:31,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:35,840 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 16:18:35,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:35,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530336156] [2022-12-14 16:18:35,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530336156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:35,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:35,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 16:18:35,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216136592] [2022-12-14 16:18:35,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:35,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 16:18:35,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:35,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 16:18:35,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-12-14 16:18:35,843 INFO L87 Difference]: Start difference. First operand 748 states and 1843 transitions. Second operand has 15 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 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 16:18:38,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:38,886 INFO L93 Difference]: Finished difference Result 964 states and 2336 transitions. [2022-12-14 16:18:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:38,887 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 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 28 [2022-12-14 16:18:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:38,888 INFO L225 Difference]: With dead ends: 964 [2022-12-14 16:18:38,888 INFO L226 Difference]: Without dead ends: 651 [2022-12-14 16:18:38,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=194, Invalid=358, Unknown=0, NotChecked=0, Total=552 [2022-12-14 16:18:38,889 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 126 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:38,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 20 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 16:18:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-12-14 16:18:38,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 555. [2022-12-14 16:18:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 554 states have (on average 2.4711191335740073) internal successors, (1369), 554 states have internal predecessors, (1369), 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 16:18:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1369 transitions. [2022-12-14 16:18:38,896 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 1369 transitions. Word has length 28 [2022-12-14 16:18:38,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:38,897 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 1369 transitions. [2022-12-14 16:18:38,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 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 16:18:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1369 transitions. [2022-12-14 16:18:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:18:38,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:38,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:38,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 16:18:38,898 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:18:38,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash 905869997, now seen corresponding path program 2 times [2022-12-14 16:18:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:38,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334906485] [2022-12-14 16:18:38,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:45,579 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 16:18:45,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:45,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334906485] [2022-12-14 16:18:45,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334906485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:45,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:45,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 16:18:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880439571] [2022-12-14 16:18:45,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:45,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 16:18:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 16:18:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-12-14 16:18:45,581 INFO L87 Difference]: Start difference. First operand 555 states and 1369 transitions. Second operand has 16 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 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 16:18:48,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:18:48,797 INFO L93 Difference]: Finished difference Result 550 states and 1360 transitions. [2022-12-14 16:18:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:18:48,797 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 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 28 [2022-12-14 16:18:48,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:18:48,797 INFO L225 Difference]: With dead ends: 550 [2022-12-14 16:18:48,797 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 16:18:48,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2022-12-14 16:18:48,798 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:18:48,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 0 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 16:18:48,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 16:18:48,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 16:18:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 16:18:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 16:18:48,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-12-14 16:18:48,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:48,800 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 16:18:48,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 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 16:18:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 16:18:48,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:18:48,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2022-12-14 16:18:48,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-12-14 16:18:48,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-12-14 16:18:48,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-12-14 16:18:48,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-12-14 16:18:48,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-12-14 16:18:48,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-12-14 16:18:48,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 53 remaining) [2022-12-14 16:18:48,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr3ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr2ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr5ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr6ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr0ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr1ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr2ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr3ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr4ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr5ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-12-14 16:18:48,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr1ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr3ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr2ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr1ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr2ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr4ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-12-14 16:18:48,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr5ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-12-14 16:18:48,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 16:18:48,809 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:18:48,812 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 16:18:48,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:18:48,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:18:48 BasicIcfg [2022-12-14 16:18:48,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:18:48,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:18:48,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:18:48,814 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:18:48,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:06:11" (3/4) ... [2022-12-14 16:18:48,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:18:48,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_llseek [2022-12-14 16:18:48,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-14 16:18:48,825 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-12-14 16:18:48,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 16:18:48,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 16:18:48,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 16:18:48,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:18:48,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 16:18:48,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:18:48,873 INFO L158 Benchmark]: Toolchain (without parser) took 763506.66ms. Allocated memory was 134.2MB in the beginning and 610.3MB in the end (delta: 476.1MB). Free memory was 92.8MB in the beginning and 455.0MB in the end (delta: -362.2MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,874 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:18:48,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4888.61ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 92.8MB in the beginning and 78.4MB in the end (delta: 14.5MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.91ms. Allocated memory is still 161.5MB. Free memory was 78.4MB in the beginning and 63.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,874 INFO L158 Benchmark]: Boogie Preprocessor took 38.58ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 58.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,875 INFO L158 Benchmark]: RCFGBuilder took 891.38ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 114.1MB in the end (delta: -55.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,875 INFO L158 Benchmark]: TraceAbstraction took 757492.57ms. Allocated memory was 195.0MB in the beginning and 610.3MB in the end (delta: 415.2MB). Free memory was 113.5MB in the beginning and 460.3MB in the end (delta: -346.8MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,875 INFO L158 Benchmark]: Witness Printer took 58.58ms. Allocated memory is still 610.3MB. Free memory was 460.3MB in the beginning and 455.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:18:48,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4888.61ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 92.8MB in the beginning and 78.4MB in the end (delta: 14.5MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.91ms. Allocated memory is still 161.5MB. Free memory was 78.4MB in the beginning and 63.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.58ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 58.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 891.38ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 114.1MB in the end (delta: -55.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 757492.57ms. Allocated memory was 195.0MB in the beginning and 610.3MB in the end (delta: 415.2MB). Free memory was 113.5MB in the beginning and 460.3MB in the end (delta: -346.8MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Witness Printer took 58.58ms. Allocated memory is still 610.3MB. Free memory was 460.3MB in the beginning and 455.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 648.8s, 501 PlacesBefore, 110 PlacesAfterwards, 505 TransitionsBefore, 106 TransitionsAfterwards, 18576 CoEnabledTransitionPairs, 32 FixpointIterations, 403 TrivialSequentialCompositions, 164 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 27 ConcurrentYvCompositions, 8 ChoiceCompositions, 618 TotalNumberOfCompositions, 157836 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37538, independent: 33610, independent conditional: 0, independent unconditional: 33610, dependent: 3729, dependent conditional: 0, dependent unconditional: 3729, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12577, independent: 12292, independent conditional: 0, independent unconditional: 12292, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12577, independent: 11220, independent conditional: 0, independent unconditional: 11220, dependent: 1357, dependent conditional: 0, dependent unconditional: 1357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1357, independent: 1072, independent conditional: 0, independent unconditional: 1072, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127944, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 2594, dependent conditional: 0, dependent unconditional: 2594, unknown: 124129, unknown conditional: 0, unknown unconditional: 124129] ], Cache Queries: [ total: 37538, independent: 21318, independent conditional: 0, independent unconditional: 21318, dependent: 3497, dependent conditional: 0, dependent unconditional: 3497, unknown: 12723, unknown conditional: 0, unknown unconditional: 12723] , Statistics on independence cache: Total cache size (in pairs): 848, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 125, Negative conditional cache size: 0, Negative unconditional cache size: 125, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6840]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6841]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6842]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6844]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6845]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6848]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6853]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6854]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6855]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6856]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6857]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6858]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6829]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6829]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 443]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 444]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 461]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 657 locations, 53 error locations. Started 1 CEGAR loops. OverallTime: 757.3s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 64.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 648.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4029 SdHoareTripleChecker+Valid, 57.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4029 mSDsluCounter, 726 SdHoareTripleChecker+Invalid, 52.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 3849 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20844 IncrementalHoareTripleChecker+Invalid, 24693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3849 mSolverCounterUnsat, 650 mSDtfsCounter, 20844 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 350 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4356occurred in iteration=0, InterpolantAutomatonStates: 255, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 22763 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 40.0s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 371 ConstructedInterpolants, 0 QuantifiedInterpolants, 10512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 16:18:49,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d355b609-a630-4148-a0d0-980298add9d8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE