./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/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_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/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_216b3215-9175-4b64-8bcf-c40540375e27/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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- 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 11:27:36,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:27:36,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:27:36,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:27:36,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:27:36,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:27:36,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:27:36,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:27:36,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:27:36,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:27:36,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:27:36,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:27:36,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:27:36,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:27:36,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:27:36,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:27:36,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:27:36,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:27:36,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:27:36,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:27:36,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:27:36,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:27:36,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:27:36,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:27:36,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:27:36,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:27:36,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:27:36,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:27:36,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:27:36,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:27:36,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:27:36,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:27:36,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:27:36,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:27:36,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:27:36,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:27:36,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:27:36,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:27:36,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:27:36,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:27:36,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:27:36,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 11:27:36,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:27:36,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:27:36,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:27:36,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:27:36,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:27:36,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:27:36,088 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:27:36,088 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:27:36,088 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:27:36,089 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:27:36,089 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:27:36,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:27:36,089 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:27:36,089 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:27:36,090 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:27:36,090 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:27:36,090 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:27:36,090 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:27:36,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:27:36,091 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:27:36,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:27:36,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:27:36,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:27:36,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:27:36,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:27:36,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:27:36,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:27:36,092 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 11:27:36,092 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:27:36,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:27:36,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:27:36,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:27:36,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:27:36,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:27:36,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:27:36,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:27:36,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:27:36,094 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_216b3215-9175-4b64-8bcf-c40540375e27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-12-14 11:27:36,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:27:36,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:27:36,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:27:36,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:27:36,304 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:27:36,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-14 11:27:38,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:27:39,341 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:27:39,342 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-14 11:27:39,374 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/data/2f55abf21/cbfd090f6a1c42409b83d50283384f99/FLAG5d82a701a [2022-12-14 11:27:39,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/data/2f55abf21/cbfd090f6a1c42409b83d50283384f99 [2022-12-14 11:27:39,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:27:39,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:27:39,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:27:39,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:27:39,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:27:39,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:27:39" (1/1) ... [2022-12-14 11:27:39,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcf0095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:39, skipping insertion in model container [2022-12-14 11:27:39,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:27:39" (1/1) ... [2022-12-14 11:27:39,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:27:39,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:27:39,743 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_216b3215-9175-4b64-8bcf-c40540375e27/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-12-14 11:27:40,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,273 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:40,287 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:40,812 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-14 11:27:40,815 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 11:27:40,819 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 11:27:40,824 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 11:27:40,904 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 11:27:40,908 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 11:27:41,009 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-14 11:27:41,186 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 11:27:41,193 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 11:27:41,244 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-14 11:27:41,247 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-14 11:27:41,480 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-14 11:27:41,483 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-14 11:27:41,485 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-14 11:27:41,567 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 11:27:41,567 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 11:27:41,570 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-14 11:27:41,570 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 11:27:41,711 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-14 11:27:41,740 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 11:27:41,910 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-14 11:27:41,913 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 11:27:42,056 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 11:27:42,227 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 11:27:42,227 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-14 11:27:42,227 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 11:27:43,064 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-14 11:27:43,065 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,067 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,070 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,072 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,608 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-14 11:27:43,613 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-14 11:27:43,617 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-14 11:27:43,624 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 11:27:43,624 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-14 11:27:43,627 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 11:27:43,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:27:43,658 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:27:43,668 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_216b3215-9175-4b64-8bcf-c40540375e27/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-12-14 11:27:43,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:27:43,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:27:43,696 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-14 11:27:43,697 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 11:27:43,697 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 11:27:43,697 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 11:27:43,702 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 11:27:43,703 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 11:27:43,706 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-14 11:27:43,717 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 11:27:43,718 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 11:27:43,720 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-14 11:27:43,720 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-14 11:27:43,727 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-14 11:27:43,727 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-14 11:27:43,727 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-14 11:27:43,731 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 11:27:43,731 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 11:27:43,731 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-14 11:27:43,731 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 11:27:43,738 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-14 11:27:43,740 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 11:27:43,745 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-14 11:27:43,746 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 11:27:43,749 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 11:27:43,752 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 11:27:43,753 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-14 11:27:43,753 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 11:27:43,820 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-14 11:27:43,820 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,821 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,845 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,847 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 11:27:43,877 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-14 11:27:43,879 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-14 11:27:43,880 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-14 11:27:43,881 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 11:27:43,881 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-14 11:27:43,881 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 11:27:43,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:27:44,243 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:27:44,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44 WrapperNode [2022-12-14 11:27:44,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:27:44,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:27:44,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:27:44,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:27:44,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,385 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 509 [2022-12-14 11:27:44,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:27:44,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:27:44,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:27:44,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:27:44,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:27:44,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:27:44,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:27:44,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:27:44,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (1/1) ... [2022-12-14 11:27:44,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:27:44,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:27:44,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:27:44,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216b3215-9175-4b64-8bcf-c40540375e27/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:27:44,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-14 11:27:44,489 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 11:27:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:27:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-14 11:27:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-14 11:27:44,491 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 11:27:44,820 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:27:44,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:27:45,309 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:27:45,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:27:45,319 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 11:27:45,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:27:45 BoogieIcfgContainer [2022-12-14 11:27:45,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:27:45,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:27:45,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:27:45,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:27:45,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:27:39" (1/3) ... [2022-12-14 11:27:45,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389621d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:27:45, skipping insertion in model container [2022-12-14 11:27:45,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:44" (2/3) ... [2022-12-14 11:27:45,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389621d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:27:45, skipping insertion in model container [2022-12-14 11:27:45,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:27:45" (3/3) ... [2022-12-14 11:27:45,330 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-14 11:27:45,338 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:27:45,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:27:45,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-12-14 11:27:45,348 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:27:45,447 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 11:27:45,488 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:27:45,503 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 605 transitions, 1226 flow [2022-12-14 11:27:45,506 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 605 transitions, 1226 flow [2022-12-14 11:27:45,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 596 places, 605 transitions, 1226 flow [2022-12-14 11:27:45,689 INFO L130 PetriNetUnfolder]: 16/603 cut-off events. [2022-12-14 11:27:45,689 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 11:27:45,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 603 events. 16/603 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 848 event pairs, 0 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 474. Up to 5 conditions per place. [2022-12-14 11:27:45,711 INFO L119 LiptonReduction]: Number of co-enabled transitions 42176 [2022-12-14 11:28:31,597 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 377 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:28:59,242 WARN L233 SmtUtils]: Spent 20.81s on a formula simplification that was a NOOP. DAG size: 484 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:29:17,946 WARN L233 SmtUtils]: Spent 18.70s on a formula simplification that was a NOOP. DAG size: 440 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:29:42,984 WARN L233 SmtUtils]: Spent 25.03s on a formula simplification that was a NOOP. DAG size: 487 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:30:03,574 WARN L233 SmtUtils]: Spent 20.58s on a formula simplification that was a NOOP. DAG size: 443 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:31:40,888 WARN L233 SmtUtils]: Spent 1.62m on a formula simplification. DAG size of input: 538 DAG size of output: 531 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:32:35,246 WARN L233 SmtUtils]: Spent 54.35s on a formula simplification that was a NOOP. DAG size: 517 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:34:53,262 WARN L233 SmtUtils]: Spent 2.30m on a formula simplification. DAG size of input: 549 DAG size of output: 542 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:35:51,305 WARN L233 SmtUtils]: Spent 58.04s on a formula simplification that was a NOOP. DAG size: 528 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:35:51,739 INFO L134 LiptonReduction]: Checked pairs total: 549756 [2022-12-14 11:35:51,739 INFO L136 LiptonReduction]: Total number of compositions: 694 [2022-12-14 11:35:51,745 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 159 transitions, 334 flow [2022-12-14 11:35:52,183 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22132 states, 21926 states have (on average 3.049803885797683) internal successors, (66870), 22131 states have internal predecessors, (66870), 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 11:35:52,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:35:52,206 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;@3811164, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:35:52,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2022-12-14 11:35:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 22132 states, 21926 states have (on average 3.049803885797683) internal successors, (66870), 22131 states have internal predecessors, (66870), 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 11:35:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 11:35:52,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:52,254 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 11:35:52,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:35:52,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:52,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2207, now seen corresponding path program 1 times [2022-12-14 11:35:52,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:52,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405841908] [2022-12-14 11:35:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:52,444 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 11:35:52,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:52,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405841908] [2022-12-14 11:35:52,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405841908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:52,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:52,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 11:35:52,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632998575] [2022-12-14 11:35:52,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:52,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:35:52,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:52,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:35:52,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:35:52,506 INFO L87 Difference]: Start difference. First operand has 22132 states, 21926 states have (on average 3.049803885797683) internal successors, (66870), 22131 states have internal predecessors, (66870), 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 11:35:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:52,931 INFO L93 Difference]: Finished difference Result 18521 states and 55127 transitions. [2022-12-14 11:35:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:35:52,933 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 11:35:52,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:53,036 INFO L225 Difference]: With dead ends: 18521 [2022-12-14 11:35:53,036 INFO L226 Difference]: Without dead ends: 18521 [2022-12-14 11:35:53,037 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 11:35:53,040 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:53,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:35:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18521 states. [2022-12-14 11:35:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18521 to 18521. [2022-12-14 11:35:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18521 states, 18467 states have (on average 2.985162722694536) internal successors, (55127), 18520 states have internal predecessors, (55127), 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 11:35:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18521 states to 18521 states and 55127 transitions. [2022-12-14 11:35:53,810 INFO L78 Accepts]: Start accepts. Automaton has 18521 states and 55127 transitions. Word has length 1 [2022-12-14 11:35:53,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:53,811 INFO L495 AbstractCegarLoop]: Abstraction has 18521 states and 55127 transitions. [2022-12-14 11:35:53,811 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 11:35:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 18521 states and 55127 transitions. [2022-12-14 11:35:53,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:35:53,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:53,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:35:53,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:35:53,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:35:53,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:53,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1005373488, now seen corresponding path program 1 times [2022-12-14 11:35:53,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:53,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195393321] [2022-12-14 11:35:53,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:54,795 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 11:35:54,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:54,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195393321] [2022-12-14 11:35:54,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195393321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:54,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:54,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:35:54,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409781468] [2022-12-14 11:35:54,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:54,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:35:54,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:54,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:35:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:35:54,799 INFO L87 Difference]: Start difference. First operand 18521 states and 55127 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 11:35:56,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:56,118 INFO L93 Difference]: Finished difference Result 27746 states and 81075 transitions. [2022-12-14 11:35:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:35:56,119 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 11:35:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:56,192 INFO L225 Difference]: With dead ends: 27746 [2022-12-14 11:35:56,192 INFO L226 Difference]: Without dead ends: 27746 [2022-12-14 11:35:56,192 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 11:35:56,193 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 163 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:56,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 83 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:35:56,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27746 states. [2022-12-14 11:35:56,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27746 to 25520. [2022-12-14 11:35:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25520 states, 25468 states have (on average 3.0029841369561803) internal successors, (76480), 25519 states have internal predecessors, (76480), 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 11:35:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25520 states to 25520 states and 76480 transitions. [2022-12-14 11:35:56,930 INFO L78 Accepts]: Start accepts. Automaton has 25520 states and 76480 transitions. Word has length 10 [2022-12-14 11:35:56,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:56,930 INFO L495 AbstractCegarLoop]: Abstraction has 25520 states and 76480 transitions. [2022-12-14 11:35:56,930 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 11:35:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 25520 states and 76480 transitions. [2022-12-14 11:35:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:35:56,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:56,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:35:56,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:35:56,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:35:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1423823826, now seen corresponding path program 1 times [2022-12-14 11:35:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:56,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232207104] [2022-12-14 11:35:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:58,541 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 11:35:58,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:58,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232207104] [2022-12-14 11:35:58,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232207104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:58,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:58,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:35:58,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008438354] [2022-12-14 11:35:58,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:58,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:35:58,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:58,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:35:58,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:35:58,544 INFO L87 Difference]: Start difference. First operand 25520 states and 76480 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 11:36:01,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:01,424 INFO L93 Difference]: Finished difference Result 40198 states and 119504 transitions. [2022-12-14 11:36:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:36:01,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 13 [2022-12-14 11:36:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:01,523 INFO L225 Difference]: With dead ends: 40198 [2022-12-14 11:36:01,524 INFO L226 Difference]: Without dead ends: 40198 [2022-12-14 11:36:01,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:01,525 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 206 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:01,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 62 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:36:01,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40198 states. [2022-12-14 11:36:02,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40198 to 34340. [2022-12-14 11:36:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34340 states, 34292 states have (on average 2.970284614487344) internal successors, (101857), 34339 states have internal predecessors, (101857), 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 11:36:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34340 states to 34340 states and 101857 transitions. [2022-12-14 11:36:02,231 INFO L78 Accepts]: Start accepts. Automaton has 34340 states and 101857 transitions. Word has length 13 [2022-12-14 11:36:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:02,231 INFO L495 AbstractCegarLoop]: Abstraction has 34340 states and 101857 transitions. [2022-12-14 11:36:02,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 11:36:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 34340 states and 101857 transitions. [2022-12-14 11:36:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:36:02,234 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:02,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:02,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:36:02,234 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:02,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:02,234 INFO L85 PathProgramCache]: Analyzing trace with hash -798224707, now seen corresponding path program 1 times [2022-12-14 11:36:02,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:02,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485309957] [2022-12-14 11:36:02,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:02,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:36:03,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:03,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485309957] [2022-12-14 11:36:03,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485309957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:03,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:03,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:36:03,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413163177] [2022-12-14 11:36:03,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:03,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:03,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:03,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:03,173 INFO L87 Difference]: Start difference. First operand 34340 states and 101857 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 11:36:06,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:06,268 INFO L93 Difference]: Finished difference Result 43950 states and 124334 transitions. [2022-12-14 11:36:06,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:36:06,269 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 11:36:06,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:06,384 INFO L225 Difference]: With dead ends: 43950 [2022-12-14 11:36:06,384 INFO L226 Difference]: Without dead ends: 43950 [2022-12-14 11:36:06,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:36:06,385 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 430 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2669 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 2669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:06,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 102 Invalid, 3149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 2669 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:36:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43950 states. [2022-12-14 11:36:06,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43950 to 35384. [2022-12-14 11:36:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35384 states, 35336 states have (on average 2.9758603124292504) internal successors, (105155), 35383 states have internal predecessors, (105155), 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 11:36:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35384 states to 35384 states and 105155 transitions. [2022-12-14 11:36:07,047 INFO L78 Accepts]: Start accepts. Automaton has 35384 states and 105155 transitions. Word has length 14 [2022-12-14 11:36:07,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:07,047 INFO L495 AbstractCegarLoop]: Abstraction has 35384 states and 105155 transitions. [2022-12-14 11:36:07,048 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 11:36:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 35384 states and 105155 transitions. [2022-12-14 11:36:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:36:07,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:07,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:07,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:36:07,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:07,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash 788962563, now seen corresponding path program 2 times [2022-12-14 11:36:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:07,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406243042] [2022-12-14 11:36:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:07,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:07,857 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 11:36:07,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:07,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406243042] [2022-12-14 11:36:07,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406243042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:07,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:07,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:36:07,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958573667] [2022-12-14 11:36:07,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:07,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:07,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:07,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:07,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:07,860 INFO L87 Difference]: Start difference. First operand 35384 states and 105155 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 11:36:11,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:11,561 INFO L93 Difference]: Finished difference Result 49683 states and 141880 transitions. [2022-12-14 11:36:11,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:36:11,562 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 11:36:11,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:11,708 INFO L225 Difference]: With dead ends: 49683 [2022-12-14 11:36:11,709 INFO L226 Difference]: Without dead ends: 49683 [2022-12-14 11:36:11,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:36:11,710 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 382 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:11,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 111 Invalid, 3770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 3385 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 11:36:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49683 states. [2022-12-14 11:36:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49683 to 36428. [2022-12-14 11:36:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36428 states, 36380 states have (on average 2.9811159978009893) internal successors, (108453), 36427 states have internal predecessors, (108453), 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 11:36:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36428 states to 36428 states and 108453 transitions. [2022-12-14 11:36:12,620 INFO L78 Accepts]: Start accepts. Automaton has 36428 states and 108453 transitions. Word has length 14 [2022-12-14 11:36:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:12,620 INFO L495 AbstractCegarLoop]: Abstraction has 36428 states and 108453 transitions. [2022-12-14 11:36:12,621 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 11:36:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 36428 states and 108453 transitions. [2022-12-14 11:36:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:36:12,623 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:12,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:12,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:36:12,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:12,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1874531627, now seen corresponding path program 3 times [2022-12-14 11:36:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:12,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660547318] [2022-12-14 11:36:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:13,892 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 11:36:13,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:13,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660547318] [2022-12-14 11:36:13,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660547318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:13,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:13,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:36:13,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79408653] [2022-12-14 11:36:13,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:13,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:13,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:13,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:13,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:13,894 INFO L87 Difference]: Start difference. First operand 36428 states and 108453 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 11:36:17,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:17,311 INFO L93 Difference]: Finished difference Result 55416 states and 159426 transitions. [2022-12-14 11:36:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 11:36:17,312 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 11:36:17,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:17,442 INFO L225 Difference]: With dead ends: 55416 [2022-12-14 11:36:17,442 INFO L226 Difference]: Without dead ends: 55416 [2022-12-14 11:36:17,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-12-14 11:36:17,443 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 429 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:17,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 112 Invalid, 3901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 11:36:17,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55416 states. [2022-12-14 11:36:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55416 to 37472. [2022-12-14 11:36:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37472 states, 37424 states have (on average 2.9860784523300556) internal successors, (111751), 37471 states have internal predecessors, (111751), 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 11:36:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37472 states to 37472 states and 111751 transitions. [2022-12-14 11:36:18,199 INFO L78 Accepts]: Start accepts. Automaton has 37472 states and 111751 transitions. Word has length 14 [2022-12-14 11:36:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:18,200 INFO L495 AbstractCegarLoop]: Abstraction has 37472 states and 111751 transitions. [2022-12-14 11:36:18,200 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 11:36:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 37472 states and 111751 transitions. [2022-12-14 11:36:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:36:18,202 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:18,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:18,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:36:18,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:18,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:18,202 INFO L85 PathProgramCache]: Analyzing trace with hash 48347497, now seen corresponding path program 4 times [2022-12-14 11:36:18,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:18,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072045893] [2022-12-14 11:36:18,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:18,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:19,153 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 11:36:19,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:19,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072045893] [2022-12-14 11:36:19,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072045893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:19,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:19,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:36:19,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305921696] [2022-12-14 11:36:19,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:19,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:19,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:19,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:19,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:19,155 INFO L87 Difference]: Start difference. First operand 37472 states and 111751 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 11:36:22,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:22,400 INFO L93 Difference]: Finished difference Result 61202 states and 177127 transitions. [2022-12-14 11:36:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:36:22,401 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 11:36:22,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:22,543 INFO L225 Difference]: With dead ends: 61202 [2022-12-14 11:36:22,543 INFO L226 Difference]: Without dead ends: 61202 [2022-12-14 11:36:22,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:36:22,544 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 355 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2669 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 2669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:22,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 99 Invalid, 3061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 2669 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 11:36:22,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61202 states. [2022-12-14 11:36:23,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61202 to 38516. [2022-12-14 11:36:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38516 states, 38468 states have (on average 2.9907715503795362) internal successors, (115049), 38515 states have internal predecessors, (115049), 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 11:36:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38516 states to 38516 states and 115049 transitions. [2022-12-14 11:36:23,318 INFO L78 Accepts]: Start accepts. Automaton has 38516 states and 115049 transitions. Word has length 14 [2022-12-14 11:36:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:23,318 INFO L495 AbstractCegarLoop]: Abstraction has 38516 states and 115049 transitions. [2022-12-14 11:36:23,318 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 11:36:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 38516 states and 115049 transitions. [2022-12-14 11:36:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:36:23,320 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:23,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:23,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:36:23,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2094867323, now seen corresponding path program 5 times [2022-12-14 11:36:23,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:23,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108410608] [2022-12-14 11:36:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:23,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:24,202 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 11:36:24,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:24,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108410608] [2022-12-14 11:36:24,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108410608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:24,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:24,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:36:24,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166840301] [2022-12-14 11:36:24,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:24,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:24,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:24,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:24,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:24,204 INFO L87 Difference]: Start difference. First operand 38516 states and 115049 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 11:36:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:26,206 INFO L93 Difference]: Finished difference Result 49835 states and 146989 transitions. [2022-12-14 11:36:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:36:26,207 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 11:36:26,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:26,325 INFO L225 Difference]: With dead ends: 49835 [2022-12-14 11:36:26,326 INFO L226 Difference]: Without dead ends: 49835 [2022-12-14 11:36:26,326 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 11:36:26,326 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 446 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:26,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 150 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 11:36:26,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49835 states. [2022-12-14 11:36:26,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49835 to 27460. [2022-12-14 11:36:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27460 states, 27420 states have (on average 2.9406272793581327) internal successors, (80632), 27459 states have internal predecessors, (80632), 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 11:36:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27460 states to 27460 states and 80632 transitions. [2022-12-14 11:36:26,957 INFO L78 Accepts]: Start accepts. Automaton has 27460 states and 80632 transitions. Word has length 14 [2022-12-14 11:36:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:26,957 INFO L495 AbstractCegarLoop]: Abstraction has 27460 states and 80632 transitions. [2022-12-14 11:36:26,957 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 11:36:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27460 states and 80632 transitions. [2022-12-14 11:36:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:36:26,959 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:26,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:26,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:36:26,959 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_nvram_llseekErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash 187850383, now seen corresponding path program 1 times [2022-12-14 11:36:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:26,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565307964] [2022-12-14 11:36:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:27,793 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 11:36:27,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:27,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565307964] [2022-12-14 11:36:27,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565307964] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:27,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:27,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:36:27,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486347888] [2022-12-14 11:36:27,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:27,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:27,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:27,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:27,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:27,795 INFO L87 Difference]: Start difference. First operand 27460 states and 80632 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 11:36:30,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:30,035 INFO L93 Difference]: Finished difference Result 35919 states and 104623 transitions. [2022-12-14 11:36:30,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:36:30,036 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 11:36:30,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:30,117 INFO L225 Difference]: With dead ends: 35919 [2022-12-14 11:36:30,117 INFO L226 Difference]: Without dead ends: 35890 [2022-12-14 11:36:30,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:30,118 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 234 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:30,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 83 Invalid, 1935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 11:36:30,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35890 states. [2022-12-14 11:36:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35890 to 32399. [2022-12-14 11:36:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32399 states, 32367 states have (on average 2.9205981400809464) internal successors, (94531), 32398 states have internal predecessors, (94531), 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 11:36:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32399 states to 32399 states and 94531 transitions. [2022-12-14 11:36:30,640 INFO L78 Accepts]: Start accepts. Automaton has 32399 states and 94531 transitions. Word has length 15 [2022-12-14 11:36:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:30,641 INFO L495 AbstractCegarLoop]: Abstraction has 32399 states and 94531 transitions. [2022-12-14 11:36:30,641 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 11:36:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32399 states and 94531 transitions. [2022-12-14 11:36:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 11:36:30,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:30,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:30,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:36:30,643 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:30,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:30,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1157321839, now seen corresponding path program 1 times [2022-12-14 11:36:30,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:30,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637304599] [2022-12-14 11:36:30,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:30,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:31,542 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 11:36:31,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:31,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637304599] [2022-12-14 11:36:31,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637304599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:31,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:31,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:36:31,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139522201] [2022-12-14 11:36:31,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:31,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:36:31,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:31,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:36:31,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:31,544 INFO L87 Difference]: Start difference. First operand 32399 states and 94531 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 11:36:33,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:33,217 INFO L93 Difference]: Finished difference Result 36573 states and 106712 transitions. [2022-12-14 11:36:33,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:36:33,217 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 11:36:33,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:33,293 INFO L225 Difference]: With dead ends: 36573 [2022-12-14 11:36:33,293 INFO L226 Difference]: Without dead ends: 36551 [2022-12-14 11:36:33,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:36:33,293 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 219 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:33,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 97 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 11:36:33,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36551 states. [2022-12-14 11:36:33,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36551 to 35908. [2022-12-14 11:36:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35908 states, 35876 states have (on average 2.9210335600401383) internal successors, (104795), 35907 states have internal predecessors, (104795), 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 11:36:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35908 states to 35908 states and 104795 transitions. [2022-12-14 11:36:33,855 INFO L78 Accepts]: Start accepts. Automaton has 35908 states and 104795 transitions. Word has length 16 [2022-12-14 11:36:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:33,855 INFO L495 AbstractCegarLoop]: Abstraction has 35908 states and 104795 transitions. [2022-12-14 11:36:33,855 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 11:36:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 35908 states and 104795 transitions. [2022-12-14 11:36:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 11:36:33,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:33,858 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 11:36:33,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:36:33,858 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:33,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:33,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1501897986, now seen corresponding path program 1 times [2022-12-14 11:36:33,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:33,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878046925] [2022-12-14 11:36:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:33,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:34,913 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 11:36:34,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:34,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878046925] [2022-12-14 11:36:34,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878046925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:34,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:34,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 11:36:34,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494976754] [2022-12-14 11:36:34,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:34,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 11:36:34,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:34,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 11:36:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:36:34,915 INFO L87 Difference]: Start difference. First operand 35908 states and 104795 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 11:36:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:37,357 INFO L93 Difference]: Finished difference Result 38971 states and 113648 transitions. [2022-12-14 11:36:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:36:37,357 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 11:36:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:37,436 INFO L225 Difference]: With dead ends: 38971 [2022-12-14 11:36:37,436 INFO L226 Difference]: Without dead ends: 38971 [2022-12-14 11:36:37,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:36:37,436 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 567 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:37,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 143 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 11:36:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38971 states. [2022-12-14 11:36:37,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38971 to 35754. [2022-12-14 11:36:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35754 states, 35722 states have (on average 2.9202732209842672) internal successors, (104318), 35753 states have internal predecessors, (104318), 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 11:36:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35754 states to 35754 states and 104318 transitions. [2022-12-14 11:36:38,017 INFO L78 Accepts]: Start accepts. Automaton has 35754 states and 104318 transitions. Word has length 18 [2022-12-14 11:36:38,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:38,017 INFO L495 AbstractCegarLoop]: Abstraction has 35754 states and 104318 transitions. [2022-12-14 11:36:38,018 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 11:36:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 35754 states and 104318 transitions. [2022-12-14 11:36:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:36:38,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:38,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:38,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:36:38,020 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:38,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:38,020 INFO L85 PathProgramCache]: Analyzing trace with hash -354534976, now seen corresponding path program 1 times [2022-12-14 11:36:38,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:38,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555358241] [2022-12-14 11:36:38,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:38,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:38,417 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 11:36:38,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:38,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555358241] [2022-12-14 11:36:38,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555358241] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:38,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:38,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:36:38,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471768981] [2022-12-14 11:36:38,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:38,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:36:38,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:38,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:36:38,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:36:38,419 INFO L87 Difference]: Start difference. First operand 35754 states and 104318 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 11:36:39,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:39,204 INFO L93 Difference]: Finished difference Result 35840 states and 104453 transitions. [2022-12-14 11:36:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:36:39,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-12-14 11:36:39,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:39,271 INFO L225 Difference]: With dead ends: 35840 [2022-12-14 11:36:39,271 INFO L226 Difference]: Without dead ends: 34097 [2022-12-14 11:36:39,271 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 11:36:39,272 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 71 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:39,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 82 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 11:36:39,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34097 states. [2022-12-14 11:36:39,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34097 to 34089. [2022-12-14 11:36:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34089 states, 34060 states have (on average 2.891456253669994) internal successors, (98483), 34088 states have internal predecessors, (98483), 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 11:36:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34089 states to 34089 states and 98483 transitions. [2022-12-14 11:36:39,798 INFO L78 Accepts]: Start accepts. Automaton has 34089 states and 98483 transitions. Word has length 19 [2022-12-14 11:36:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:39,798 INFO L495 AbstractCegarLoop]: Abstraction has 34089 states and 98483 transitions. [2022-12-14 11:36:39,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 11:36:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 34089 states and 98483 transitions. [2022-12-14 11:36:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:36:39,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:39,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:39,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:36:39,801 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:39,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash -404456814, now seen corresponding path program 1 times [2022-12-14 11:36:39,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:39,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264595672] [2022-12-14 11:36:39,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:39,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:41,542 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 11:36:41,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:41,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264595672] [2022-12-14 11:36:41,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264595672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:41,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:41,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:36:41,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391948018] [2022-12-14 11:36:41,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:41,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:36:41,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:41,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:36:41,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:36:41,544 INFO L87 Difference]: Start difference. First operand 34089 states and 98483 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:36:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:47,499 INFO L93 Difference]: Finished difference Result 45995 states and 132402 transitions. [2022-12-14 11:36:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 11:36:47,500 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:36:47,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:47,592 INFO L225 Difference]: With dead ends: 45995 [2022-12-14 11:36:47,592 INFO L226 Difference]: Without dead ends: 45848 [2022-12-14 11:36:47,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=385, Invalid=805, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 11:36:47,593 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 529 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:47,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 122 Invalid, 4736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 4331 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 11:36:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45848 states. [2022-12-14 11:36:48,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45848 to 36247. [2022-12-14 11:36:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36247 states, 36218 states have (on average 2.895549174443647) internal successors, (104871), 36246 states have internal predecessors, (104871), 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 11:36:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36247 states to 36247 states and 104871 transitions. [2022-12-14 11:36:48,225 INFO L78 Accepts]: Start accepts. Automaton has 36247 states and 104871 transitions. Word has length 19 [2022-12-14 11:36:48,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:48,225 INFO L495 AbstractCegarLoop]: Abstraction has 36247 states and 104871 transitions. [2022-12-14 11:36:48,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:36:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 36247 states and 104871 transitions. [2022-12-14 11:36:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:36:48,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:48,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:48,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:36:48,228 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:48,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1954391058, now seen corresponding path program 2 times [2022-12-14 11:36:48,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:48,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180139805] [2022-12-14 11:36:48,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:48,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:49,775 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 11:36:49,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:49,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180139805] [2022-12-14 11:36:49,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180139805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:49,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:49,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:36:49,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693051126] [2022-12-14 11:36:49,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:49,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:36:49,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:49,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:36:49,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:36:49,777 INFO L87 Difference]: Start difference. First operand 36247 states and 104871 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:36:54,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:54,347 INFO L93 Difference]: Finished difference Result 49526 states and 142748 transitions. [2022-12-14 11:36:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 11:36:54,347 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:36:54,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:54,455 INFO L225 Difference]: With dead ends: 49526 [2022-12-14 11:36:54,455 INFO L226 Difference]: Without dead ends: 49232 [2022-12-14 11:36:54,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=407, Invalid=853, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 11:36:54,456 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 589 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 3833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:54,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 122 Invalid, 3833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 11:36:54,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49232 states. [2022-12-14 11:36:54,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49232 to 36858. [2022-12-14 11:36:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36858 states, 36829 states have (on average 2.896901897960846) internal successors, (106690), 36857 states have internal predecessors, (106690), 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 11:36:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36858 states to 36858 states and 106690 transitions. [2022-12-14 11:36:55,101 INFO L78 Accepts]: Start accepts. Automaton has 36858 states and 106690 transitions. Word has length 19 [2022-12-14 11:36:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:55,101 INFO L495 AbstractCegarLoop]: Abstraction has 36858 states and 106690 transitions. [2022-12-14 11:36:55,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:36:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 36858 states and 106690 transitions. [2022-12-14 11:36:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:36:55,104 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:55,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:55,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:36:55,104 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:36:55,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:55,104 INFO L85 PathProgramCache]: Analyzing trace with hash -270229324, now seen corresponding path program 3 times [2022-12-14 11:36:55,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:55,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404771356] [2022-12-14 11:36:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:55,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:56,717 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 11:36:56,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:56,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404771356] [2022-12-14 11:36:56,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404771356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:36:56,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:36:56,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:36:56,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706908165] [2022-12-14 11:36:56,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:36:56,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:36:56,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:36:56,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:36:56,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:36:56,719 INFO L87 Difference]: Start difference. First operand 36858 states and 106690 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:02,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:02,091 INFO L93 Difference]: Finished difference Result 51611 states and 148752 transitions. [2022-12-14 11:37:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 11:37:02,092 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:02,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:02,203 INFO L225 Difference]: With dead ends: 51611 [2022-12-14 11:37:02,203 INFO L226 Difference]: Without dead ends: 51170 [2022-12-14 11:37:02,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=377, Invalid=813, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 11:37:02,204 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 552 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4300 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 4300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:02,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 122 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 4300 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 11:37:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51170 states. [2022-12-14 11:37:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51170 to 37371. [2022-12-14 11:37:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37371 states, 37342 states have (on average 2.8970060521664616) internal successors, (108180), 37370 states have internal predecessors, (108180), 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 11:37:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37371 states to 37371 states and 108180 transitions. [2022-12-14 11:37:02,865 INFO L78 Accepts]: Start accepts. Automaton has 37371 states and 108180 transitions. Word has length 19 [2022-12-14 11:37:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:02,865 INFO L495 AbstractCegarLoop]: Abstraction has 37371 states and 108180 transitions. [2022-12-14 11:37:02,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 37371 states and 108180 transitions. [2022-12-14 11:37:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:02,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:02,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:02,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 11:37:02,868 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:02,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:02,869 INFO L85 PathProgramCache]: Analyzing trace with hash 201739852, now seen corresponding path program 4 times [2022-12-14 11:37:02,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:02,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370042273] [2022-12-14 11:37:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:04,527 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 11:37:04,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:04,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370042273] [2022-12-14 11:37:04,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370042273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:04,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:04,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:04,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289181016] [2022-12-14 11:37:04,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:04,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:04,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:04,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:04,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:04,529 INFO L87 Difference]: Start difference. First operand 37371 states and 108180 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:09,744 INFO L93 Difference]: Finished difference Result 53376 states and 153812 transitions. [2022-12-14 11:37:09,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 11:37:09,744 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:09,859 INFO L225 Difference]: With dead ends: 53376 [2022-12-14 11:37:09,859 INFO L226 Difference]: Without dead ends: 52788 [2022-12-14 11:37:09,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=350, Invalid=772, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 11:37:09,861 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 577 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3802 mSolverCounterSat, 587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 3802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:09,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 122 Invalid, 4389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [587 Valid, 3802 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 11:37:09,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52788 states. [2022-12-14 11:37:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52788 to 37884. [2022-12-14 11:37:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37884 states, 37855 states have (on average 2.8971073834367984) internal successors, (109670), 37883 states have internal predecessors, (109670), 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 11:37:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37884 states to 37884 states and 109670 transitions. [2022-12-14 11:37:10,550 INFO L78 Accepts]: Start accepts. Automaton has 37884 states and 109670 transitions. Word has length 19 [2022-12-14 11:37:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:10,550 INFO L495 AbstractCegarLoop]: Abstraction has 37884 states and 109670 transitions. [2022-12-14 11:37:10,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 37884 states and 109670 transitions. [2022-12-14 11:37:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:10,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:10,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:10,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 11:37:10,553 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:10,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:10,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1703278600, now seen corresponding path program 5 times [2022-12-14 11:37:10,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:10,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200279483] [2022-12-14 11:37:10,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:10,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:37:12,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:12,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200279483] [2022-12-14 11:37:12,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200279483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:12,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:12,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:12,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608579015] [2022-12-14 11:37:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:12,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:12,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:12,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:12,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:12,324 INFO L87 Difference]: Start difference. First operand 37884 states and 109670 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:17,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:17,434 INFO L93 Difference]: Finished difference Result 55141 states and 158872 transitions. [2022-12-14 11:37:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 11:37:17,435 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:17,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:17,557 INFO L225 Difference]: With dead ends: 55141 [2022-12-14 11:37:17,557 INFO L226 Difference]: Without dead ends: 54406 [2022-12-14 11:37:17,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=326, Invalid=730, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 11:37:17,558 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 564 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4224 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 4224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:17,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 122 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 4224 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 11:37:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54406 states. [2022-12-14 11:37:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54406 to 38397. [2022-12-14 11:37:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38397 states, 38368 states have (on average 2.89720600500417) internal successors, (111160), 38396 states have internal predecessors, (111160), 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 11:37:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38397 states to 38397 states and 111160 transitions. [2022-12-14 11:37:18,277 INFO L78 Accepts]: Start accepts. Automaton has 38397 states and 111160 transitions. Word has length 19 [2022-12-14 11:37:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:18,277 INFO L495 AbstractCegarLoop]: Abstraction has 38397 states and 111160 transitions. [2022-12-14 11:37:18,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 38397 states and 111160 transitions. [2022-12-14 11:37:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:18,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:18,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:18,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 11:37:18,281 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:18,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:18,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2146150392, now seen corresponding path program 6 times [2022-12-14 11:37:18,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:18,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907047238] [2022-12-14 11:37:18,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:19,912 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 11:37:19,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:19,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907047238] [2022-12-14 11:37:19,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907047238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:19,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:19,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:19,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455298697] [2022-12-14 11:37:19,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:19,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:19,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:19,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:19,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:19,914 INFO L87 Difference]: Start difference. First operand 38397 states and 111160 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:24,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:24,500 INFO L93 Difference]: Finished difference Result 56906 states and 163932 transitions. [2022-12-14 11:37:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 11:37:24,500 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:24,615 INFO L225 Difference]: With dead ends: 56906 [2022-12-14 11:37:24,615 INFO L226 Difference]: Without dead ends: 56024 [2022-12-14 11:37:24,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=305, Invalid=687, Unknown=0, NotChecked=0, Total=992 [2022-12-14 11:37:24,616 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 538 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3152 mSolverCounterSat, 563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 3152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:24,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 122 Invalid, 3715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 3152 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 11:37:24,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56024 states. [2022-12-14 11:37:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56024 to 38910. [2022-12-14 11:37:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38910 states, 38881 states have (on average 2.897302024124894) internal successors, (112650), 38909 states have internal predecessors, (112650), 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 11:37:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38910 states to 38910 states and 112650 transitions. [2022-12-14 11:37:25,298 INFO L78 Accepts]: Start accepts. Automaton has 38910 states and 112650 transitions. Word has length 19 [2022-12-14 11:37:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:25,298 INFO L495 AbstractCegarLoop]: Abstraction has 38910 states and 112650 transitions. [2022-12-14 11:37:25,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38910 states and 112650 transitions. [2022-12-14 11:37:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:25,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:25,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:25,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 11:37:25,301 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:25,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:25,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1345389266, now seen corresponding path program 7 times [2022-12-14 11:37:25,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:25,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087397684] [2022-12-14 11:37:25,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:25,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:26,573 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 11:37:26,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:26,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087397684] [2022-12-14 11:37:26,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087397684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:26,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:26,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:26,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994980549] [2022-12-14 11:37:26,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:26,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:26,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:26,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:26,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:26,575 INFO L87 Difference]: Start difference. First operand 38910 states and 112650 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:31,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:31,571 INFO L93 Difference]: Finished difference Result 58389 states and 168267 transitions. [2022-12-14 11:37:31,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 11:37:31,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:31,695 INFO L225 Difference]: With dead ends: 58389 [2022-12-14 11:37:31,695 INFO L226 Difference]: Without dead ends: 57360 [2022-12-14 11:37:31,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=547, Invalid=1093, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 11:37:31,696 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 610 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:31,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 122 Invalid, 4380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [683 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 11:37:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57360 states. [2022-12-14 11:37:32,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57360 to 39423. [2022-12-14 11:37:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39423 states, 39394 states have (on average 2.8973955424683964) internal successors, (114140), 39422 states have internal predecessors, (114140), 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 11:37:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39423 states to 39423 states and 114140 transitions. [2022-12-14 11:37:32,424 INFO L78 Accepts]: Start accepts. Automaton has 39423 states and 114140 transitions. Word has length 19 [2022-12-14 11:37:32,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:32,424 INFO L495 AbstractCegarLoop]: Abstraction has 39423 states and 114140 transitions. [2022-12-14 11:37:32,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 39423 states and 114140 transitions. [2022-12-14 11:37:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:32,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:32,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:32,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 11:37:32,428 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:32,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:32,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1379083218, now seen corresponding path program 8 times [2022-12-14 11:37:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:32,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460525104] [2022-12-14 11:37:32,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:32,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:33,751 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 11:37:33,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:33,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460525104] [2022-12-14 11:37:33,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460525104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:33,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:33,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:33,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56590640] [2022-12-14 11:37:33,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:33,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:33,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:33,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:33,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:33,753 INFO L87 Difference]: Start difference. First operand 39423 states and 114140 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:38,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:38,456 INFO L93 Difference]: Finished difference Result 51924 states and 149641 transitions. [2022-12-14 11:37:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 11:37:38,456 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:38,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:38,569 INFO L225 Difference]: With dead ends: 51924 [2022-12-14 11:37:38,569 INFO L226 Difference]: Without dead ends: 51924 [2022-12-14 11:37:38,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=574, Invalid=1148, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 11:37:38,570 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 663 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2899 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 2899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:38,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 122 Invalid, 3527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 2899 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 11:37:38,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51924 states. [2022-12-14 11:37:39,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51924 to 40517. [2022-12-14 11:37:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40517 states, 40488 states have (on average 2.9006372258446946) internal successors, (117441), 40516 states have internal predecessors, (117441), 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 11:37:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40517 states to 40517 states and 117441 transitions. [2022-12-14 11:37:39,286 INFO L78 Accepts]: Start accepts. Automaton has 40517 states and 117441 transitions. Word has length 19 [2022-12-14 11:37:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:39,286 INFO L495 AbstractCegarLoop]: Abstraction has 40517 states and 117441 transitions. [2022-12-14 11:37:39,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 40517 states and 117441 transitions. [2022-12-14 11:37:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:39,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:39,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:39,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 11:37:39,291 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1859975514, now seen corresponding path program 9 times [2022-12-14 11:37:39,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:39,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436443557] [2022-12-14 11:37:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:40,508 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 11:37:40,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:40,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436443557] [2022-12-14 11:37:40,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436443557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:40,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:40,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:40,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520595698] [2022-12-14 11:37:40,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:40,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:40,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:40,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:40,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:40,509 INFO L87 Difference]: Start difference. First operand 40517 states and 117441 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:45,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:45,243 INFO L93 Difference]: Finished difference Result 60249 states and 173615 transitions. [2022-12-14 11:37:45,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 11:37:45,243 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:45,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:45,371 INFO L225 Difference]: With dead ends: 60249 [2022-12-14 11:37:45,371 INFO L226 Difference]: Without dead ends: 59073 [2022-12-14 11:37:45,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=551, Invalid=1171, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 11:37:45,372 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 617 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3907 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 3907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:45,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 122 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 3907 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 11:37:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59073 states. [2022-12-14 11:37:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59073 to 39936. [2022-12-14 11:37:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39936 states, 39907 states have (on average 2.8974866564763073) internal successors, (115630), 39935 states have internal predecessors, (115630), 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 11:37:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39936 states to 39936 states and 115630 transitions. [2022-12-14 11:37:46,119 INFO L78 Accepts]: Start accepts. Automaton has 39936 states and 115630 transitions. Word has length 19 [2022-12-14 11:37:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:46,119 INFO L495 AbstractCegarLoop]: Abstraction has 39936 states and 115630 transitions. [2022-12-14 11:37:46,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 39936 states and 115630 transitions. [2022-12-14 11:37:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:46,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:46,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:46,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 11:37:46,123 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:46,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:46,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1596019527, now seen corresponding path program 1 times [2022-12-14 11:37:46,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:46,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826559868] [2022-12-14 11:37:46,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:46,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:47,688 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 11:37:47,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:47,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826559868] [2022-12-14 11:37:47,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826559868] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:47,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:47,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:47,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896923915] [2022-12-14 11:37:47,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:47,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:47,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:47,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:47,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:47,690 INFO L87 Difference]: Start difference. First operand 39936 states and 115630 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:51,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:51,535 INFO L93 Difference]: Finished difference Result 81558 states and 234312 transitions. [2022-12-14 11:37:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 11:37:51,535 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:51,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:51,725 INFO L225 Difference]: With dead ends: 81558 [2022-12-14 11:37:51,725 INFO L226 Difference]: Without dead ends: 81558 [2022-12-14 11:37:51,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=227, Invalid=475, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:37:51,726 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 658 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:51,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 152 Invalid, 3172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 2861 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 11:37:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81558 states. [2022-12-14 11:37:52,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81558 to 54306. [2022-12-14 11:37:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54306 states, 54277 states have (on average 2.9295281610995447) internal successors, (159006), 54305 states have internal predecessors, (159006), 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 11:37:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54306 states to 54306 states and 159006 transitions. [2022-12-14 11:37:52,898 INFO L78 Accepts]: Start accepts. Automaton has 54306 states and 159006 transitions. Word has length 19 [2022-12-14 11:37:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:52,899 INFO L495 AbstractCegarLoop]: Abstraction has 54306 states and 159006 transitions. [2022-12-14 11:37:52,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 54306 states and 159006 transitions. [2022-12-14 11:37:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:37:52,904 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:52,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:52,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 11:37:52,904 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:37:52,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash -735448946, now seen corresponding path program 10 times [2022-12-14 11:37:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:52,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416715274] [2022-12-14 11:37:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:54,027 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 11:37:54,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:54,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416715274] [2022-12-14 11:37:54,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416715274] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:37:54,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:37:54,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:37:54,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654599613] [2022-12-14 11:37:54,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:37:54,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:37:54,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:54,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:37:54,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:37:54,028 INFO L87 Difference]: Start difference. First operand 54306 states and 159006 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:37:58,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:58,881 INFO L93 Difference]: Finished difference Result 92683 states and 266918 transitions. [2022-12-14 11:37:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 11:37:58,881 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:37:58,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:59,097 INFO L225 Difference]: With dead ends: 92683 [2022-12-14 11:37:59,097 INFO L226 Difference]: Without dead ends: 92683 [2022-12-14 11:37:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=575, Invalid=1231, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 11:37:59,098 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 1024 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 3951 mSolverCounterSat, 615 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 3951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:59,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 152 Invalid, 4566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [615 Valid, 3951 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 11:37:59,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92683 states. [2022-12-14 11:38:00,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92683 to 54299. [2022-12-14 11:38:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54299 states, 54270 states have (on average 2.929519071310116) internal successors, (158985), 54298 states have internal predecessors, (158985), 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 11:38:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54299 states to 54299 states and 158985 transitions. [2022-12-14 11:38:00,282 INFO L78 Accepts]: Start accepts. Automaton has 54299 states and 158985 transitions. Word has length 19 [2022-12-14 11:38:00,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:00,282 INFO L495 AbstractCegarLoop]: Abstraction has 54299 states and 158985 transitions. [2022-12-14 11:38:00,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 54299 states and 158985 transitions. [2022-12-14 11:38:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:00,287 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:00,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:00,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 11:38:00,288 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:00,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:00,288 INFO L85 PathProgramCache]: Analyzing trace with hash -254556650, now seen corresponding path program 11 times [2022-12-14 11:38:00,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:00,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381313822] [2022-12-14 11:38:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:01,552 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 11:38:01,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:01,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381313822] [2022-12-14 11:38:01,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381313822] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:01,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:01,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:01,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865479258] [2022-12-14 11:38:01,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:01,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:01,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:01,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:01,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:01,553 INFO L87 Difference]: Start difference. First operand 54299 states and 158985 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:04,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:04,763 INFO L93 Difference]: Finished difference Result 84676 states and 243128 transitions. [2022-12-14 11:38:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 11:38:04,763 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:04,954 INFO L225 Difference]: With dead ends: 84676 [2022-12-14 11:38:04,954 INFO L226 Difference]: Without dead ends: 83500 [2022-12-14 11:38:04,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2022-12-14 11:38:04,955 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 700 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:04,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 152 Invalid, 3134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:38:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83500 states. [2022-12-14 11:38:05,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83500 to 49302. [2022-12-14 11:38:05,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49302 states, 49273 states have (on average 2.9295760355569986) internal successors, (144349), 49301 states have internal predecessors, (144349), 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 11:38:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49302 states to 49302 states and 144349 transitions. [2022-12-14 11:38:06,018 INFO L78 Accepts]: Start accepts. Automaton has 49302 states and 144349 transitions. Word has length 19 [2022-12-14 11:38:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:06,018 INFO L495 AbstractCegarLoop]: Abstraction has 49302 states and 144349 transitions. [2022-12-14 11:38:06,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 49302 states and 144349 transitions. [2022-12-14 11:38:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:06,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:06,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:06,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 11:38:06,023 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1257005823, now seen corresponding path program 2 times [2022-12-14 11:38:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:06,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543398546] [2022-12-14 11:38:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:07,614 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 11:38:07,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:07,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543398546] [2022-12-14 11:38:07,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543398546] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:07,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:07,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947536992] [2022-12-14 11:38:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:07,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:07,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:07,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:07,615 INFO L87 Difference]: Start difference. First operand 49302 states and 144349 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:13,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:13,001 INFO L93 Difference]: Finished difference Result 66816 states and 192629 transitions. [2022-12-14 11:38:13,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:38:13,002 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:13,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:13,146 INFO L225 Difference]: With dead ends: 66816 [2022-12-14 11:38:13,146 INFO L226 Difference]: Without dead ends: 66816 [2022-12-14 11:38:13,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:38:13,147 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 702 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 3854 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 3854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:13,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 171 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 3854 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 11:38:13,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66816 states. [2022-12-14 11:38:13,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66816 to 49968. [2022-12-14 11:38:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49968 states, 49939 states have (on average 2.9329181601553898) internal successors, (146467), 49967 states have internal predecessors, (146467), 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 11:38:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49968 states to 49968 states and 146467 transitions. [2022-12-14 11:38:14,086 INFO L78 Accepts]: Start accepts. Automaton has 49968 states and 146467 transitions. Word has length 19 [2022-12-14 11:38:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:14,086 INFO L495 AbstractCegarLoop]: Abstraction has 49968 states and 146467 transitions. [2022-12-14 11:38:14,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49968 states and 146467 transitions. [2022-12-14 11:38:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:14,091 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:14,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:14,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 11:38:14,091 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:14,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:14,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1415196033, now seen corresponding path program 3 times [2022-12-14 11:38:14,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:14,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779036072] [2022-12-14 11:38:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:14,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:38:15,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:15,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779036072] [2022-12-14 11:38:15,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779036072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:15,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:15,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:15,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060807636] [2022-12-14 11:38:15,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:15,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:15,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:15,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:15,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:15,749 INFO L87 Difference]: Start difference. First operand 49968 states and 146467 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:21,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:21,522 INFO L93 Difference]: Finished difference Result 66778 states and 192539 transitions. [2022-12-14 11:38:21,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:38:21,523 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:21,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:21,676 INFO L225 Difference]: With dead ends: 66778 [2022-12-14 11:38:21,676 INFO L226 Difference]: Without dead ends: 66778 [2022-12-14 11:38:21,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:38:21,677 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 676 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4455 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 4497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:21,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 169 Invalid, 4497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4455 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 11:38:21,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66778 states. [2022-12-14 11:38:22,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66778 to 50068. [2022-12-14 11:38:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50068 states, 50039 states have (on average 2.9335318451607746) internal successors, (146791), 50067 states have internal predecessors, (146791), 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 11:38:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50068 states to 50068 states and 146791 transitions. [2022-12-14 11:38:22,693 INFO L78 Accepts]: Start accepts. Automaton has 50068 states and 146791 transitions. Word has length 19 [2022-12-14 11:38:22,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:22,693 INFO L495 AbstractCegarLoop]: Abstraction has 50068 states and 146791 transitions. [2022-12-14 11:38:22,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 50068 states and 146791 transitions. [2022-12-14 11:38:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:22,697 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:22,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:22,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 11:38:22,698 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:22,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:22,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1420356603, now seen corresponding path program 4 times [2022-12-14 11:38:22,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:22,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326545089] [2022-12-14 11:38:22,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:22,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:24,735 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 11:38:24,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:24,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326545089] [2022-12-14 11:38:24,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326545089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:24,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:24,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:24,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711024489] [2022-12-14 11:38:24,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:24,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:24,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:24,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:24,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:24,737 INFO L87 Difference]: Start difference. First operand 50068 states and 146791 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:29,383 INFO L93 Difference]: Finished difference Result 66684 states and 192268 transitions. [2022-12-14 11:38:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:38:29,384 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:29,538 INFO L225 Difference]: With dead ends: 66684 [2022-12-14 11:38:29,538 INFO L226 Difference]: Without dead ends: 66684 [2022-12-14 11:38:29,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:38:29,539 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 692 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 3405 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 3458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:29,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 169 Invalid, 3458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3405 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 11:38:29,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66684 states. [2022-12-14 11:38:30,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66684 to 50168. [2022-12-14 11:38:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50168 states, 50139 states have (on average 2.9341430822313965) internal successors, (147115), 50167 states have internal predecessors, (147115), 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 11:38:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50168 states to 50168 states and 147115 transitions. [2022-12-14 11:38:30,640 INFO L78 Accepts]: Start accepts. Automaton has 50168 states and 147115 transitions. Word has length 19 [2022-12-14 11:38:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:30,641 INFO L495 AbstractCegarLoop]: Abstraction has 50168 states and 147115 transitions. [2022-12-14 11:38:30,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 50168 states and 147115 transitions. [2022-12-14 11:38:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:30,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:30,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:30,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 11:38:30,645 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:30,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:30,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1420524933, now seen corresponding path program 5 times [2022-12-14 11:38:30,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:30,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236888934] [2022-12-14 11:38:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:32,801 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 11:38:32,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:32,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236888934] [2022-12-14 11:38:32,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236888934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:32,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:32,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:32,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95445975] [2022-12-14 11:38:32,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:32,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:32,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:32,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:32,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:32,803 INFO L87 Difference]: Start difference. First operand 50168 states and 147115 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:37,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:37,324 INFO L93 Difference]: Finished difference Result 66581 states and 191972 transitions. [2022-12-14 11:38:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:38:37,325 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:37,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:37,481 INFO L225 Difference]: With dead ends: 66581 [2022-12-14 11:38:37,482 INFO L226 Difference]: Without dead ends: 66581 [2022-12-14 11:38:37,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:38:37,482 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 562 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:37,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 210 Invalid, 3270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 11:38:37,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66581 states. [2022-12-14 11:38:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66581 to 50260. [2022-12-14 11:38:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50260 states, 50231 states have (on average 2.9345025979972528) internal successors, (147403), 50259 states have internal predecessors, (147403), 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 11:38:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50260 states to 50260 states and 147403 transitions. [2022-12-14 11:38:38,453 INFO L78 Accepts]: Start accepts. Automaton has 50260 states and 147403 transitions. Word has length 19 [2022-12-14 11:38:38,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:38,454 INFO L495 AbstractCegarLoop]: Abstraction has 50260 states and 147403 transitions. [2022-12-14 11:38:38,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 50260 states and 147403 transitions. [2022-12-14 11:38:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:38,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:38,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:38,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 11:38:38,458 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:38,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:38,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1074462650, now seen corresponding path program 12 times [2022-12-14 11:38:38,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:38,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843227183] [2022-12-14 11:38:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:39,540 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 11:38:39,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:39,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843227183] [2022-12-14 11:38:39,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843227183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:39,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:39,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:39,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369516360] [2022-12-14 11:38:39,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:39,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:39,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:39,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:39,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:39,541 INFO L87 Difference]: Start difference. First operand 50260 states and 147403 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:45,714 INFO L93 Difference]: Finished difference Result 78238 states and 225826 transitions. [2022-12-14 11:38:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 11:38:45,715 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:45,896 INFO L225 Difference]: With dead ends: 78238 [2022-12-14 11:38:45,896 INFO L226 Difference]: Without dead ends: 78238 [2022-12-14 11:38:45,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=514, Invalid=1126, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 11:38:45,897 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 828 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 5741 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 6138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 5741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:45,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 99 Invalid, 6138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 5741 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 11:38:46,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78238 states. [2022-12-14 11:38:46,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78238 to 50226. [2022-12-14 11:38:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50226 states, 50197 states have (on average 2.934577763611371) internal successors, (147307), 50225 states have internal predecessors, (147307), 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 11:38:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50226 states to 50226 states and 147307 transitions. [2022-12-14 11:38:46,974 INFO L78 Accepts]: Start accepts. Automaton has 50226 states and 147307 transitions. Word has length 19 [2022-12-14 11:38:46,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:46,974 INFO L495 AbstractCegarLoop]: Abstraction has 50226 states and 147307 transitions. [2022-12-14 11:38:46,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 50226 states and 147307 transitions. [2022-12-14 11:38:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:46,979 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:46,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:46,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 11:38:46,979 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:46,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:46,980 INFO L85 PathProgramCache]: Analyzing trace with hash -593570354, now seen corresponding path program 13 times [2022-12-14 11:38:46,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:46,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103931990] [2022-12-14 11:38:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:48,184 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 11:38:48,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:48,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103931990] [2022-12-14 11:38:48,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103931990] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:48,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:48,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:48,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795323756] [2022-12-14 11:38:48,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:48,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:48,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:48,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:48,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:48,185 INFO L87 Difference]: Start difference. First operand 50226 states and 147307 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:52,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:52,012 INFO L93 Difference]: Finished difference Result 67648 states and 195023 transitions. [2022-12-14 11:38:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 11:38:52,013 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:52,162 INFO L225 Difference]: With dead ends: 67648 [2022-12-14 11:38:52,163 INFO L226 Difference]: Without dead ends: 66472 [2022-12-14 11:38:52,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:38:52,164 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 665 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 3546 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 3958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 3546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:52,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 141 Invalid, 3958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 3546 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 11:38:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66472 states. [2022-12-14 11:38:52,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66472 to 38491. [2022-12-14 11:38:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38491 states, 38470 states have (on average 2.9481674031713023) internal successors, (113416), 38490 states have internal predecessors, (113416), 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 11:38:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38491 states to 38491 states and 113416 transitions. [2022-12-14 11:38:53,010 INFO L78 Accepts]: Start accepts. Automaton has 38491 states and 113416 transitions. Word has length 19 [2022-12-14 11:38:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:53,010 INFO L495 AbstractCegarLoop]: Abstraction has 38491 states and 113416 transitions. [2022-12-14 11:38:53,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 38491 states and 113416 transitions. [2022-12-14 11:38:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:53,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:53,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:53,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 11:38:53,014 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:53,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:53,015 INFO L85 PathProgramCache]: Analyzing trace with hash -787561913, now seen corresponding path program 6 times [2022-12-14 11:38:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:53,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198882714] [2022-12-14 11:38:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:54,605 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 11:38:54,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:54,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198882714] [2022-12-14 11:38:54,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198882714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:54,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:54,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:54,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310361474] [2022-12-14 11:38:54,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:54,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:54,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:54,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:54,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:54,607 INFO L87 Difference]: Start difference. First operand 38491 states and 113416 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:38:56,816 INFO L93 Difference]: Finished difference Result 41890 states and 122711 transitions. [2022-12-14 11:38:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:38:56,816 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:38:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:38:56,895 INFO L225 Difference]: With dead ends: 41890 [2022-12-14 11:38:56,895 INFO L226 Difference]: Without dead ends: 41890 [2022-12-14 11:38:56,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:38:56,896 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 470 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:38:56,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 137 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 11:38:56,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41890 states. [2022-12-14 11:38:57,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41890 to 38532. [2022-12-14 11:38:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38532 states, 38511 states have (on average 2.9481706525408327) internal successors, (113537), 38531 states have internal predecessors, (113537), 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 11:38:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38532 states to 38532 states and 113537 transitions. [2022-12-14 11:38:57,506 INFO L78 Accepts]: Start accepts. Automaton has 38532 states and 113537 transitions. Word has length 19 [2022-12-14 11:38:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:38:57,507 INFO L495 AbstractCegarLoop]: Abstraction has 38532 states and 113537 transitions. [2022-12-14 11:38:57,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:38:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 38532 states and 113537 transitions. [2022-12-14 11:38:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:38:57,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:38:57,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:38:57,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 11:38:57,511 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:38:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:38:57,511 INFO L85 PathProgramCache]: Analyzing trace with hash -629371703, now seen corresponding path program 7 times [2022-12-14 11:38:57,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:38:57,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363797340] [2022-12-14 11:38:57,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:38:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:38:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:38:59,466 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 11:38:59,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:38:59,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363797340] [2022-12-14 11:38:59,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363797340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:38:59,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:38:59,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:38:59,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523830558] [2022-12-14 11:38:59,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:38:59,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:38:59,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:38:59,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:38:59,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:38:59,468 INFO L87 Difference]: Start difference. First operand 38532 states and 113537 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:02,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:02,991 INFO L93 Difference]: Finished difference Result 41904 states and 122751 transitions. [2022-12-14 11:39:02,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:02,992 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:02,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:03,077 INFO L225 Difference]: With dead ends: 41904 [2022-12-14 11:39:03,077 INFO L226 Difference]: Without dead ends: 41904 [2022-12-14 11:39:03,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:03,077 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 447 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:03,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 140 Invalid, 2083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 11:39:03,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41904 states. [2022-12-14 11:39:03,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41904 to 38539. [2022-12-14 11:39:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38539 states, 38518 states have (on average 2.9481541097668624) internal successors, (113557), 38538 states have internal predecessors, (113557), 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 11:39:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38539 states to 38539 states and 113557 transitions. [2022-12-14 11:39:03,702 INFO L78 Accepts]: Start accepts. Automaton has 38539 states and 113557 transitions. Word has length 19 [2022-12-14 11:39:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:03,702 INFO L495 AbstractCegarLoop]: Abstraction has 38539 states and 113557 transitions. [2022-12-14 11:39:03,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 38539 states and 113557 transitions. [2022-12-14 11:39:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:03,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:03,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:03,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 11:39:03,706 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:03,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -624211133, now seen corresponding path program 8 times [2022-12-14 11:39:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:03,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258313341] [2022-12-14 11:39:03,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:03,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:05,721 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 11:39:05,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:05,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258313341] [2022-12-14 11:39:05,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258313341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:05,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:05,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125568263] [2022-12-14 11:39:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:05,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:05,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:05,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:05,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:05,723 INFO L87 Difference]: Start difference. First operand 38539 states and 113557 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:09,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:09,421 INFO L93 Difference]: Finished difference Result 41890 states and 122711 transitions. [2022-12-14 11:39:09,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:09,421 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:09,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:09,508 INFO L225 Difference]: With dead ends: 41890 [2022-12-14 11:39:09,508 INFO L226 Difference]: Without dead ends: 41890 [2022-12-14 11:39:09,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:09,509 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 330 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:09,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 183 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2399 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 11:39:09,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41890 states. [2022-12-14 11:39:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41890 to 38546. [2022-12-14 11:39:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38546 states, 38525 states have (on average 2.9481375730045425) internal successors, (113577), 38545 states have internal predecessors, (113577), 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 11:39:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38546 states to 38546 states and 113577 transitions. [2022-12-14 11:39:10,130 INFO L78 Accepts]: Start accepts. Automaton has 38546 states and 113577 transitions. Word has length 19 [2022-12-14 11:39:10,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:10,131 INFO L495 AbstractCegarLoop]: Abstraction has 38546 states and 113577 transitions. [2022-12-14 11:39:10,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38546 states and 113577 transitions. [2022-12-14 11:39:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:10,134 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:10,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:10,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 11:39:10,135 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:10,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:10,136 INFO L85 PathProgramCache]: Analyzing trace with hash -624042803, now seen corresponding path program 9 times [2022-12-14 11:39:10,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:10,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635704950] [2022-12-14 11:39:10,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:10,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:12,466 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 11:39:12,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:12,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635704950] [2022-12-14 11:39:12,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635704950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:12,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:12,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:12,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812981882] [2022-12-14 11:39:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:12,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:12,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:12,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:12,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:12,467 INFO L87 Difference]: Start difference. First operand 38546 states and 113577 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:15,334 INFO L93 Difference]: Finished difference Result 41862 states and 122631 transitions. [2022-12-14 11:39:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:15,334 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:15,419 INFO L225 Difference]: With dead ends: 41862 [2022-12-14 11:39:15,420 INFO L226 Difference]: Without dead ends: 41862 [2022-12-14 11:39:15,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:15,420 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 321 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:15,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 180 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 11:39:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41862 states. [2022-12-14 11:39:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41862 to 38497. [2022-12-14 11:39:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38497 states, 38476 states have (on average 2.9482534567002805) internal successors, (113437), 38496 states have internal predecessors, (113437), 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 11:39:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 113437 transitions. [2022-12-14 11:39:16,045 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 113437 transitions. Word has length 19 [2022-12-14 11:39:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:16,045 INFO L495 AbstractCegarLoop]: Abstraction has 38497 states and 113437 transitions. [2022-12-14 11:39:16,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 113437 transitions. [2022-12-14 11:39:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:16,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:16,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:16,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 11:39:16,049 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:16,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:16,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1054587275, now seen corresponding path program 10 times [2022-12-14 11:39:16,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:16,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998074344] [2022-12-14 11:39:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:16,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:17,619 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 11:39:17,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:17,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998074344] [2022-12-14 11:39:17,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998074344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:17,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:17,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:17,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381871561] [2022-12-14 11:39:17,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:17,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:17,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:17,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:17,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:17,621 INFO L87 Difference]: Start difference. First operand 38497 states and 113437 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:20,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:20,606 INFO L93 Difference]: Finished difference Result 41863 states and 122667 transitions. [2022-12-14 11:39:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:20,606 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:20,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:20,691 INFO L225 Difference]: With dead ends: 41863 [2022-12-14 11:39:20,691 INFO L226 Difference]: Without dead ends: 41863 [2022-12-14 11:39:20,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:20,692 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 512 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 2517 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:20,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 145 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2517 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 11:39:20,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41863 states. [2022-12-14 11:39:21,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41863 to 38538. [2022-12-14 11:39:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38538 states, 38517 states have (on average 2.948386426772594) internal successors, (113563), 38537 states have internal predecessors, (113563), 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 11:39:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38538 states to 38538 states and 113563 transitions. [2022-12-14 11:39:21,312 INFO L78 Accepts]: Start accepts. Automaton has 38538 states and 113563 transitions. Word has length 19 [2022-12-14 11:39:21,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:21,312 INFO L495 AbstractCegarLoop]: Abstraction has 38538 states and 113563 transitions. [2022-12-14 11:39:21,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 38538 states and 113563 transitions. [2022-12-14 11:39:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:21,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:21,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:21,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 11:39:21,316 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:21,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:21,316 INFO L85 PathProgramCache]: Analyzing trace with hash -896397065, now seen corresponding path program 11 times [2022-12-14 11:39:21,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:21,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710573624] [2022-12-14 11:39:21,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:21,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:23,097 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 11:39:23,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:23,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710573624] [2022-12-14 11:39:23,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710573624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:23,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:23,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:23,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674119246] [2022-12-14 11:39:23,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:23,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:23,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:23,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:23,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:23,099 INFO L87 Difference]: Start difference. First operand 38538 states and 113563 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:26,066 INFO L93 Difference]: Finished difference Result 41877 states and 122707 transitions. [2022-12-14 11:39:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:26,066 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:26,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:26,153 INFO L225 Difference]: With dead ends: 41877 [2022-12-14 11:39:26,153 INFO L226 Difference]: Without dead ends: 41877 [2022-12-14 11:39:26,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:26,154 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 399 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 2554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:26,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 187 Invalid, 2554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2511 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 11:39:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41877 states. [2022-12-14 11:39:26,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41877 to 38545. [2022-12-14 11:39:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38545 states, 38524 states have (on average 2.9483698473678746) internal successors, (113583), 38544 states have internal predecessors, (113583), 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 11:39:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38545 states to 38545 states and 113583 transitions. [2022-12-14 11:39:26,782 INFO L78 Accepts]: Start accepts. Automaton has 38545 states and 113583 transitions. Word has length 19 [2022-12-14 11:39:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:26,783 INFO L495 AbstractCegarLoop]: Abstraction has 38545 states and 113583 transitions. [2022-12-14 11:39:26,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38545 states and 113583 transitions. [2022-12-14 11:39:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:26,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:26,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:26,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 11:39:26,786 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:26,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:26,787 INFO L85 PathProgramCache]: Analyzing trace with hash -891236495, now seen corresponding path program 12 times [2022-12-14 11:39:26,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:26,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315370106] [2022-12-14 11:39:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:28,752 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 11:39:28,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:28,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315370106] [2022-12-14 11:39:28,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315370106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:28,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:28,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:28,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439641813] [2022-12-14 11:39:28,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:28,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:28,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:28,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:28,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:28,754 INFO L87 Difference]: Start difference. First operand 38545 states and 113583 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:33,303 INFO L93 Difference]: Finished difference Result 41863 states and 122667 transitions. [2022-12-14 11:39:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:33,304 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:33,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:33,408 INFO L225 Difference]: With dead ends: 41863 [2022-12-14 11:39:33,408 INFO L226 Difference]: Without dead ends: 41863 [2022-12-14 11:39:33,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:33,408 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 348 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 3444 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 3444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:33,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 196 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 3444 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 11:39:33,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41863 states. [2022-12-14 11:39:33,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41863 to 38552. [2022-12-14 11:39:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38552 states, 38531 states have (on average 2.948353273987179) internal successors, (113603), 38551 states have internal predecessors, (113603), 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 11:39:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38552 states to 38552 states and 113603 transitions. [2022-12-14 11:39:34,041 INFO L78 Accepts]: Start accepts. Automaton has 38552 states and 113603 transitions. Word has length 19 [2022-12-14 11:39:34,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:34,041 INFO L495 AbstractCegarLoop]: Abstraction has 38552 states and 113603 transitions. [2022-12-14 11:39:34,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 38552 states and 113603 transitions. [2022-12-14 11:39:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:34,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:34,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:34,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 11:39:34,045 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:34,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:34,045 INFO L85 PathProgramCache]: Analyzing trace with hash -891068165, now seen corresponding path program 13 times [2022-12-14 11:39:34,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:34,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138706731] [2022-12-14 11:39:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:36,282 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 11:39:36,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:36,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138706731] [2022-12-14 11:39:36,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138706731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:36,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:36,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47877018] [2022-12-14 11:39:36,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:36,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:36,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:36,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:36,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:36,283 INFO L87 Difference]: Start difference. First operand 38552 states and 113603 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:39,471 INFO L93 Difference]: Finished difference Result 41835 states and 122587 transitions. [2022-12-14 11:39:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:39,472 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:39,556 INFO L225 Difference]: With dead ends: 41835 [2022-12-14 11:39:39,556 INFO L226 Difference]: Without dead ends: 41835 [2022-12-14 11:39:39,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:39,557 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 453 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:39,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 148 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:39:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41835 states. [2022-12-14 11:39:40,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41835 to 38517. [2022-12-14 11:39:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38517 states, 38496 states have (on average 2.9484362011637573) internal successors, (113503), 38516 states have internal predecessors, (113503), 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 11:39:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38517 states to 38517 states and 113503 transitions. [2022-12-14 11:39:40,206 INFO L78 Accepts]: Start accepts. Automaton has 38517 states and 113503 transitions. Word has length 19 [2022-12-14 11:39:40,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:40,206 INFO L495 AbstractCegarLoop]: Abstraction has 38517 states and 113503 transitions. [2022-12-14 11:39:40,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38517 states and 113503 transitions. [2022-12-14 11:39:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:40,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:40,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:40,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 11:39:40,211 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:40,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:40,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1334688013, now seen corresponding path program 14 times [2022-12-14 11:39:40,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:40,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834340656] [2022-12-14 11:39:40,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:40,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:41,780 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 11:39:41,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:41,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834340656] [2022-12-14 11:39:41,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834340656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:41,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:41,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:41,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69488687] [2022-12-14 11:39:41,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:41,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:41,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:41,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:41,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:41,782 INFO L87 Difference]: Start difference. First operand 38517 states and 113503 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:46,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:46,543 INFO L93 Difference]: Finished difference Result 41718 states and 122308 transitions. [2022-12-14 11:39:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 11:39:46,544 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:46,641 INFO L225 Difference]: With dead ends: 41718 [2022-12-14 11:39:46,641 INFO L226 Difference]: Without dead ends: 41718 [2022-12-14 11:39:46,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=276, Invalid=536, Unknown=0, NotChecked=0, Total=812 [2022-12-14 11:39:46,642 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 539 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4337 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 4377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 4337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:46,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 165 Invalid, 4377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 4337 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 11:39:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41718 states. [2022-12-14 11:39:47,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41718 to 38551. [2022-12-14 11:39:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38551 states, 38530 states have (on average 2.9485855177783544) internal successors, (113609), 38550 states have internal predecessors, (113609), 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 11:39:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38551 states to 38551 states and 113609 transitions. [2022-12-14 11:39:47,237 INFO L78 Accepts]: Start accepts. Automaton has 38551 states and 113609 transitions. Word has length 19 [2022-12-14 11:39:47,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:47,237 INFO L495 AbstractCegarLoop]: Abstraction has 38551 states and 113609 transitions. [2022-12-14 11:39:47,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38551 states and 113609 transitions. [2022-12-14 11:39:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:47,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:47,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:47,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 11:39:47,241 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1176497803, now seen corresponding path program 15 times [2022-12-14 11:39:47,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:47,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892408050] [2022-12-14 11:39:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:49,314 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 11:39:49,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:49,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892408050] [2022-12-14 11:39:49,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892408050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:49,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:49,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:49,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043897387] [2022-12-14 11:39:49,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:49,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:49,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:49,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:49,315 INFO L87 Difference]: Start difference. First operand 38551 states and 113609 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:53,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:53,954 INFO L93 Difference]: Finished difference Result 41852 states and 122651 transitions. [2022-12-14 11:39:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:39:53,955 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:39:53,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:54,042 INFO L225 Difference]: With dead ends: 41852 [2022-12-14 11:39:54,042 INFO L226 Difference]: Without dead ends: 41852 [2022-12-14 11:39:54,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:39:54,043 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 488 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:54,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 157 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 11:39:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41852 states. [2022-12-14 11:39:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41852 to 38565. [2022-12-14 11:39:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38565 states, 38544 states have (on average 2.9485523038605232) internal successors, (113649), 38564 states have internal predecessors, (113649), 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 11:39:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38565 states to 38565 states and 113649 transitions. [2022-12-14 11:39:54,686 INFO L78 Accepts]: Start accepts. Automaton has 38565 states and 113649 transitions. Word has length 19 [2022-12-14 11:39:54,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:54,686 INFO L495 AbstractCegarLoop]: Abstraction has 38565 states and 113649 transitions. [2022-12-14 11:39:54,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:39:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 38565 states and 113649 transitions. [2022-12-14 11:39:54,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:39:54,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:54,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:39:54,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 11:39:54,690 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:39:54,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1171337233, now seen corresponding path program 16 times [2022-12-14 11:39:54,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:54,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007396966] [2022-12-14 11:39:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:54,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:56,542 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 11:39:56,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:56,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007396966] [2022-12-14 11:39:56,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007396966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:56,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:56,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:39:56,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397569830] [2022-12-14 11:39:56,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:56,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:39:56,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:56,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:39:56,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:39:56,544 INFO L87 Difference]: Start difference. First operand 38565 states and 113649 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:00,811 INFO L93 Difference]: Finished difference Result 41838 states and 122611 transitions. [2022-12-14 11:40:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:00,811 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:00,896 INFO L225 Difference]: With dead ends: 41838 [2022-12-14 11:40:00,896 INFO L226 Difference]: Without dead ends: 41838 [2022-12-14 11:40:00,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:00,896 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 475 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:00,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 155 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 11:40:00,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41838 states. [2022-12-14 11:40:01,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41838 to 38572. [2022-12-14 11:40:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38572 states, 38551 states have (on average 2.948535705947965) internal successors, (113669), 38571 states have internal predecessors, (113669), 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 11:40:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38572 states to 38572 states and 113669 transitions. [2022-12-14 11:40:01,504 INFO L78 Accepts]: Start accepts. Automaton has 38572 states and 113669 transitions. Word has length 19 [2022-12-14 11:40:01,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:01,504 INFO L495 AbstractCegarLoop]: Abstraction has 38572 states and 113669 transitions. [2022-12-14 11:40:01,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38572 states and 113669 transitions. [2022-12-14 11:40:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:01,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:01,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:01,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-14 11:40:01,508 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:01,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1171168903, now seen corresponding path program 17 times [2022-12-14 11:40:01,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:01,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265601087] [2022-12-14 11:40:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:01,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:03,320 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 11:40:03,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:03,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265601087] [2022-12-14 11:40:03,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265601087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:03,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:03,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:03,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721620489] [2022-12-14 11:40:03,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:03,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:03,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:03,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:03,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:03,321 INFO L87 Difference]: Start difference. First operand 38572 states and 113669 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:07,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:07,094 INFO L93 Difference]: Finished difference Result 41810 states and 122531 transitions. [2022-12-14 11:40:07,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:07,095 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:07,181 INFO L225 Difference]: With dead ends: 41810 [2022-12-14 11:40:07,181 INFO L226 Difference]: Without dead ends: 41810 [2022-12-14 11:40:07,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:07,182 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 365 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 3352 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 3376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:07,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 196 Invalid, 3376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 3352 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 11:40:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41810 states. [2022-12-14 11:40:07,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41810 to 38544. [2022-12-14 11:40:07,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38544 states, 38523 states have (on average 2.948602133790203) internal successors, (113589), 38543 states have internal predecessors, (113589), 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 11:40:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38544 states to 38544 states and 113589 transitions. [2022-12-14 11:40:07,800 INFO L78 Accepts]: Start accepts. Automaton has 38544 states and 113589 transitions. Word has length 19 [2022-12-14 11:40:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:07,800 INFO L495 AbstractCegarLoop]: Abstraction has 38544 states and 113589 transitions. [2022-12-14 11:40:07,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38544 states and 113589 transitions. [2022-12-14 11:40:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:07,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:07,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:07,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 11:40:07,804 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1102761699, now seen corresponding path program 18 times [2022-12-14 11:40:07,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:07,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020351154] [2022-12-14 11:40:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:09,312 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 11:40:09,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:09,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020351154] [2022-12-14 11:40:09,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020351154] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:09,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:09,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:09,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594896145] [2022-12-14 11:40:09,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:09,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:09,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:09,313 INFO L87 Difference]: Start difference. First operand 38544 states and 113589 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:14,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:14,985 INFO L93 Difference]: Finished difference Result 41709 states and 122290 transitions. [2022-12-14 11:40:14,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:40:14,986 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:14,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:15,072 INFO L225 Difference]: With dead ends: 41709 [2022-12-14 11:40:15,072 INFO L226 Difference]: Without dead ends: 41709 [2022-12-14 11:40:15,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=259, Invalid=497, Unknown=0, NotChecked=0, Total=756 [2022-12-14 11:40:15,073 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 426 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 4815 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 4840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 4815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:15,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 217 Invalid, 4840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 4815 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 11:40:15,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41709 states. [2022-12-14 11:40:15,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41709 to 38561. [2022-12-14 11:40:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38561 states, 38540 states have (on average 2.9486766995329527) internal successors, (113642), 38560 states have internal predecessors, (113642), 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 11:40:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38561 states to 38561 states and 113642 transitions. [2022-12-14 11:40:15,692 INFO L78 Accepts]: Start accepts. Automaton has 38561 states and 113642 transitions. Word has length 19 [2022-12-14 11:40:15,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:15,692 INFO L495 AbstractCegarLoop]: Abstraction has 38561 states and 113642 transitions. [2022-12-14 11:40:15,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 38561 states and 113642 transitions. [2022-12-14 11:40:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:15,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:15,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:15,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-14 11:40:15,697 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:15,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1097601129, now seen corresponding path program 19 times [2022-12-14 11:40:15,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:15,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093865121] [2022-12-14 11:40:15,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:15,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:17,543 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 11:40:17,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:17,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093865121] [2022-12-14 11:40:17,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093865121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:17,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:17,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:17,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135467333] [2022-12-14 11:40:17,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:17,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:17,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:17,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:17,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:17,544 INFO L87 Difference]: Start difference. First operand 38561 states and 113642 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:24,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:24,060 INFO L93 Difference]: Finished difference Result 41785 states and 122475 transitions. [2022-12-14 11:40:24,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:24,061 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:24,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:24,145 INFO L225 Difference]: With dead ends: 41785 [2022-12-14 11:40:24,145 INFO L226 Difference]: Without dead ends: 41785 [2022-12-14 11:40:24,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:24,146 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 499 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 4649 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 4675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 4649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:24,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 160 Invalid, 4675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 4649 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 11:40:24,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41785 states. [2022-12-14 11:40:24,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41785 to 38575. [2022-12-14 11:40:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38575 states, 38554 states have (on average 2.948643461119469) internal successors, (113682), 38574 states have internal predecessors, (113682), 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 11:40:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38575 states to 38575 states and 113682 transitions. [2022-12-14 11:40:24,822 INFO L78 Accepts]: Start accepts. Automaton has 38575 states and 113682 transitions. Word has length 19 [2022-12-14 11:40:24,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:24,822 INFO L495 AbstractCegarLoop]: Abstraction has 38575 states and 113682 transitions. [2022-12-14 11:40:24,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:24,823 INFO L276 IsEmpty]: Start isEmpty. Operand 38575 states and 113682 transitions. [2022-12-14 11:40:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:24,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:24,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:24,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 11:40:24,826 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:24,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:24,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1097432799, now seen corresponding path program 20 times [2022-12-14 11:40:24,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:24,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439591196] [2022-12-14 11:40:24,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:24,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:26,863 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 11:40:26,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:26,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439591196] [2022-12-14 11:40:26,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439591196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:26,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:26,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:26,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517718714] [2022-12-14 11:40:26,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:26,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:26,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:26,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:26,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:26,864 INFO L87 Difference]: Start difference. First operand 38575 states and 113682 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:31,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:31,147 INFO L93 Difference]: Finished difference Result 41757 states and 122395 transitions. [2022-12-14 11:40:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:31,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:31,254 INFO L225 Difference]: With dead ends: 41757 [2022-12-14 11:40:31,254 INFO L226 Difference]: Without dead ends: 41757 [2022-12-14 11:40:31,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:31,255 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 391 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:31,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 194 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 11:40:31,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41757 states. [2022-12-14 11:40:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41757 to 38554. [2022-12-14 11:40:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38554 states, 38533 states have (on average 2.948693327796953) internal successors, (113622), 38553 states have internal predecessors, (113622), 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 11:40:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38554 states to 38554 states and 113622 transitions. [2022-12-14 11:40:31,854 INFO L78 Accepts]: Start accepts. Automaton has 38554 states and 113622 transitions. Word has length 19 [2022-12-14 11:40:31,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:31,854 INFO L495 AbstractCegarLoop]: Abstraction has 38554 states and 113622 transitions. [2022-12-14 11:40:31,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 38554 states and 113622 transitions. [2022-12-14 11:40:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:31,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:31,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:31,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 11:40:31,857 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:31,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1012105655, now seen corresponding path program 21 times [2022-12-14 11:40:31,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:31,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784188484] [2022-12-14 11:40:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:33,584 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 11:40:33,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:33,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784188484] [2022-12-14 11:40:33,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784188484] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:33,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:33,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:33,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594074669] [2022-12-14 11:40:33,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:33,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:33,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:33,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:33,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:33,586 INFO L87 Difference]: Start difference. First operand 38554 states and 113622 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:37,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:37,254 INFO L93 Difference]: Finished difference Result 41672 states and 122192 transitions. [2022-12-14 11:40:37,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 11:40:37,255 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:37,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:37,342 INFO L225 Difference]: With dead ends: 41672 [2022-12-14 11:40:37,342 INFO L226 Difference]: Without dead ends: 41672 [2022-12-14 11:40:37,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=459, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:40:37,343 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 435 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 3172 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 3197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:37,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 201 Invalid, 3197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3172 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 11:40:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41672 states. [2022-12-14 11:40:37,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41672 to 38571. [2022-12-14 11:40:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38571 states, 38550 states have (on average 2.948767833981842) internal successors, (113675), 38570 states have internal predecessors, (113675), 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 11:40:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38571 states to 38571 states and 113675 transitions. [2022-12-14 11:40:37,983 INFO L78 Accepts]: Start accepts. Automaton has 38571 states and 113675 transitions. Word has length 19 [2022-12-14 11:40:37,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:37,983 INFO L495 AbstractCegarLoop]: Abstraction has 38571 states and 113675 transitions. [2022-12-14 11:40:37,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 38571 states and 113675 transitions. [2022-12-14 11:40:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:37,987 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:37,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:37,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-14 11:40:37,987 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:37,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1011937325, now seen corresponding path program 22 times [2022-12-14 11:40:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:37,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584568370] [2022-12-14 11:40:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:37,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:39,712 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 11:40:39,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:39,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584568370] [2022-12-14 11:40:39,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584568370] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:39,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:39,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:39,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303306313] [2022-12-14 11:40:39,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:39,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:39,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:39,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:39,713 INFO L87 Difference]: Start difference. First operand 38571 states and 113675 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:44,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:44,437 INFO L93 Difference]: Finished difference Result 41704 states and 122259 transitions. [2022-12-14 11:40:44,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:44,438 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:44,514 INFO L225 Difference]: With dead ends: 41704 [2022-12-14 11:40:44,515 INFO L226 Difference]: Without dead ends: 41704 [2022-12-14 11:40:44,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:44,515 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 506 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 3986 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 4004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:44,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 160 Invalid, 4004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 3986 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 11:40:44,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41704 states. [2022-12-14 11:40:44,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41704 to 38564. [2022-12-14 11:40:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38564 states, 38543 states have (on average 2.9487844744830447) internal successors, (113655), 38563 states have internal predecessors, (113655), 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 11:40:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38564 states to 38564 states and 113655 transitions. [2022-12-14 11:40:45,126 INFO L78 Accepts]: Start accepts. Automaton has 38564 states and 113655 transitions. Word has length 19 [2022-12-14 11:40:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:45,126 INFO L495 AbstractCegarLoop]: Abstraction has 38564 states and 113655 transitions. [2022-12-14 11:40:45,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 38564 states and 113655 transitions. [2022-12-14 11:40:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:45,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:45,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:45,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-14 11:40:45,129 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:45,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:45,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1561581275, now seen corresponding path program 23 times [2022-12-14 11:40:45,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:45,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142061944] [2022-12-14 11:40:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:46,910 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 11:40:46,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:46,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142061944] [2022-12-14 11:40:46,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142061944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:46,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:46,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:46,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360232194] [2022-12-14 11:40:46,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:46,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:46,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:46,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:46,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:46,911 INFO L87 Difference]: Start difference. First operand 38564 states and 113655 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:53,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:53,735 INFO L93 Difference]: Finished difference Result 41621 states and 122054 transitions. [2022-12-14 11:40:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:53,736 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:53,825 INFO L225 Difference]: With dead ends: 41621 [2022-12-14 11:40:53,825 INFO L226 Difference]: Without dead ends: 41621 [2022-12-14 11:40:53,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=228, Invalid=422, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:53,826 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 420 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 4560 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:53,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 211 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4560 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 11:40:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41621 states. [2022-12-14 11:40:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41621 to 38567. [2022-12-14 11:40:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38567 states, 38546 states have (on average 2.948892232657085) internal successors, (113668), 38566 states have internal predecessors, (113668), 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 11:40:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38567 states to 38567 states and 113668 transitions. [2022-12-14 11:40:54,482 INFO L78 Accepts]: Start accepts. Automaton has 38567 states and 113668 transitions. Word has length 19 [2022-12-14 11:40:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:54,482 INFO L495 AbstractCegarLoop]: Abstraction has 38567 states and 113668 transitions. [2022-12-14 11:40:54,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 38567 states and 113668 transitions. [2022-12-14 11:40:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:54,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:54,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:54,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-14 11:40:54,486 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:54,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1532853795, now seen corresponding path program 24 times [2022-12-14 11:40:54,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:54,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309766053] [2022-12-14 11:40:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:56,019 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 11:40:56,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:56,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309766053] [2022-12-14 11:40:56,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309766053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:56,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:56,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:40:56,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653829584] [2022-12-14 11:40:56,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:56,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:40:56,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:56,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:40:56,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:40:56,021 INFO L87 Difference]: Start difference. First operand 38567 states and 113668 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:58,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:58,270 INFO L93 Difference]: Finished difference Result 41837 states and 122575 transitions. [2022-12-14 11:40:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:40:58,271 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:40:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:58,355 INFO L225 Difference]: With dead ends: 41837 [2022-12-14 11:40:58,355 INFO L226 Difference]: Without dead ends: 41837 [2022-12-14 11:40:58,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:40:58,356 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 393 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:58,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 184 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 11:40:58,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41837 states. [2022-12-14 11:40:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41837 to 38579. [2022-12-14 11:40:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38579 states, 38558 states have (on average 2.9488043985683903) internal successors, (113700), 38578 states have internal predecessors, (113700), 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 11:40:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38579 states to 38579 states and 113700 transitions. [2022-12-14 11:40:59,008 INFO L78 Accepts]: Start accepts. Automaton has 38579 states and 113700 transitions. Word has length 19 [2022-12-14 11:40:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:59,008 INFO L495 AbstractCegarLoop]: Abstraction has 38579 states and 113700 transitions. [2022-12-14 11:40:59,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:40:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 38579 states and 113700 transitions. [2022-12-14 11:40:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:40:59,011 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:59,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:59,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-14 11:40:59,012 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:40:59,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:59,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1374663585, now seen corresponding path program 25 times [2022-12-14 11:40:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:59,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180423295] [2022-12-14 11:40:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:00,684 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 11:41:00,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:00,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180423295] [2022-12-14 11:41:00,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180423295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:41:00,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:41:00,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:41:00,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751592718] [2022-12-14 11:41:00,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:41:00,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:41:00,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:41:00,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:41:00,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:41:00,686 INFO L87 Difference]: Start difference. First operand 38579 states and 113700 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:41:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:41:03,019 INFO L93 Difference]: Finished difference Result 41851 states and 122615 transitions. [2022-12-14 11:41:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:41:03,020 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:41:03,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:41:03,105 INFO L225 Difference]: With dead ends: 41851 [2022-12-14 11:41:03,105 INFO L226 Difference]: Without dead ends: 41851 [2022-12-14 11:41:03,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:41:03,106 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 472 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:41:03,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 142 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 11:41:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41851 states. [2022-12-14 11:41:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41851 to 38582. [2022-12-14 11:41:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38582 states, 38561 states have (on average 2.9487824485879517) internal successors, (113708), 38581 states have internal predecessors, (113708), 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 11:41:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38582 states to 38582 states and 113708 transitions. [2022-12-14 11:41:03,738 INFO L78 Accepts]: Start accepts. Automaton has 38582 states and 113708 transitions. Word has length 19 [2022-12-14 11:41:03,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:41:03,738 INFO L495 AbstractCegarLoop]: Abstraction has 38582 states and 113708 transitions. [2022-12-14 11:41:03,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:41:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 38582 states and 113708 transitions. [2022-12-14 11:41:03,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:41:03,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:41:03,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:41:03,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-14 11:41:03,741 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:41:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:41:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1369503015, now seen corresponding path program 26 times [2022-12-14 11:41:03,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:41:03,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619078462] [2022-12-14 11:41:03,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:41:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:08,498 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 11:41:08,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:08,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619078462] [2022-12-14 11:41:08,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619078462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:41:08,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:41:08,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:41:08,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711749305] [2022-12-14 11:41:08,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:41:08,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:41:08,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:41:08,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:41:08,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:41:08,499 INFO L87 Difference]: Start difference. First operand 38582 states and 113708 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:41:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:41:11,618 INFO L93 Difference]: Finished difference Result 46472 states and 136006 transitions. [2022-12-14 11:41:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:41:11,618 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 19 [2022-12-14 11:41:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:41:11,710 INFO L225 Difference]: With dead ends: 46472 [2022-12-14 11:41:11,710 INFO L226 Difference]: Without dead ends: 46472 [2022-12-14 11:41:11,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:41:11,711 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 453 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:41:11,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 182 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:41:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46472 states. [2022-12-14 11:41:12,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46472 to 38537. [2022-12-14 11:41:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38537 states, 38516 states have (on average 2.948852424966248) internal successors, (113578), 38536 states have internal predecessors, (113578), 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 11:41:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38537 states to 38537 states and 113578 transitions. [2022-12-14 11:41:12,374 INFO L78 Accepts]: Start accepts. Automaton has 38537 states and 113578 transitions. Word has length 19 [2022-12-14 11:41:12,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:41:12,374 INFO L495 AbstractCegarLoop]: Abstraction has 38537 states and 113578 transitions. [2022-12-14 11:41:12,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 11:41:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 38537 states and 113578 transitions. [2022-12-14 11:41:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 11:41:12,379 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:41:12,379 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 11:41:12,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-14 11:41:12,379 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:41:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:41:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash 307201333, now seen corresponding path program 1 times [2022-12-14 11:41:12,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:41:12,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687329797] [2022-12-14 11:41:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:41:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:14,053 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 11:41:14,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:14,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687329797] [2022-12-14 11:41:14,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687329797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:41:14,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:41:14,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 11:41:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326898552] [2022-12-14 11:41:14,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:41:14,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:41:14,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:41:14,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:41:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:41:14,055 INFO L87 Difference]: Start difference. First operand 38537 states and 113578 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 11:41:19,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:41:19,561 INFO L93 Difference]: Finished difference Result 63817 states and 184467 transitions. [2022-12-14 11:41:19,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:41:19,562 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 11:41:19,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:41:19,707 INFO L225 Difference]: With dead ends: 63817 [2022-12-14 11:41:19,707 INFO L226 Difference]: Without dead ends: 63817 [2022-12-14 11:41:19,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:41:19,708 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 506 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 4482 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 4750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 4482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:41:19,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 212 Invalid, 4750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 4482 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 11:41:19,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63817 states. [2022-12-14 11:41:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63817 to 31085. [2022-12-14 11:41:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31085 states, 31064 states have (on average 2.9151751223280966) internal successors, (90557), 31084 states have internal predecessors, (90557), 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 11:41:20,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31085 states to 31085 states and 90557 transitions. [2022-12-14 11:41:20,414 INFO L78 Accepts]: Start accepts. Automaton has 31085 states and 90557 transitions. Word has length 20 [2022-12-14 11:41:20,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:41:20,414 INFO L495 AbstractCegarLoop]: Abstraction has 31085 states and 90557 transitions. [2022-12-14 11:41:20,415 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 11:41:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 31085 states and 90557 transitions. [2022-12-14 11:41:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 11:41:20,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:41:20,418 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 11:41:20,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-14 11:41:20,418 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 11:41:20,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:41:20,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1350110957, now seen corresponding path program 2 times [2022-12-14 11:41:20,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:41:20,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998103175] [2022-12-14 11:41:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:20,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:41:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat