./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_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_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/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_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/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_313bcbbb-d1b4-4e41-ad7d-b965592c5656/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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- 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 10:12:22,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:12:22,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:12:22,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:12:22,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:12:22,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:12:22,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:12:22,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:12:22,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:12:22,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:12:22,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:12:22,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:12:22,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:12:22,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:12:22,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:12:22,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:12:22,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:12:22,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:12:22,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:12:22,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:12:22,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:12:22,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:12:22,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:12:22,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:12:22,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:12:22,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:12:22,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:12:22,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:12:22,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:12:22,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:12:22,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:12:22,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:12:22,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:12:22,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:12:22,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:12:22,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:12:22,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:12:22,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:12:22,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:12:22,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:12:22,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:12:22,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 10:12:22,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:12:22,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:12:22,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:12:22,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:12:22,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:12:22,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:12:22,650 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:12:22,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:12:22,651 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:12:22,651 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:12:22,651 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:12:22,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:12:22,651 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:12:22,652 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:12:22,652 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:12:22,652 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:12:22,652 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:12:22,652 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:12:22,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:12:22,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:12:22,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:12:22,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:12:22,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:12:22,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:12:22,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:12:22,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:12:22,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:12:22,655 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 10:12:22,655 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:12:22,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:12:22,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:12:22,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:12:22,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:12:22,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:12:22,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:12:22,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:12:22,657 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:12:22,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:12:22,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:12:22,657 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:12:22,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:12:22,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:12:22,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:12:22,658 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_313bcbbb-d1b4-4e41-ad7d-b965592c5656/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2022-12-14 10:12:22,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:12:22,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:12:22,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:12:22,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:12:22,872 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:12:22,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-14 10:12:25,458 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:12:25,781 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:12:25,781 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-14 10:12:25,803 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/data/89f7cae88/952c8dd166594503b90ff911783776ff/FLAGb9e8f0372 [2022-12-14 10:12:26,029 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/data/89f7cae88/952c8dd166594503b90ff911783776ff [2022-12-14 10:12:26,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:12:26,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:12:26,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:12:26,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:12:26,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:12:26,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:12:26" (1/1) ... [2022-12-14 10:12:26,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b41e782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:26, skipping insertion in model container [2022-12-14 10:12:26,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:12:26" (1/1) ... [2022-12-14 10:12:26,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:12:26,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:12:26,433 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_313bcbbb-d1b4-4e41-ad7d-b965592c5656/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2022-12-14 10:12:26,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,904 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:26,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:26,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:27,406 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-14 10:12:27,410 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 10:12:27,413 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 10:12:27,420 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 10:12:27,509 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 10:12:27,513 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 10:12:27,615 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-14 10:12:27,777 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 10:12:27,783 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 10:12:27,840 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-14 10:12:27,844 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-14 10:12:28,071 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-14 10:12:28,073 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-14 10:12:28,076 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-14 10:12:28,154 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 10:12:28,155 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 10:12:28,157 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-14 10:12:28,157 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 10:12:28,296 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-14 10:12:28,325 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 10:12:28,465 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-14 10:12:28,468 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 10:12:28,605 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 10:12:28,755 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 10:12:28,755 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-14 10:12:28,756 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 10:12:29,597 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-14 10:12:29,598 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:29,600 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:29,603 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:29,605 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:30,135 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-14 10:12:30,139 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-14 10:12:30,143 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-14 10:12:30,150 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 10:12:30,150 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-14 10:12:30,153 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 10:12:30,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:12:30,183 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:12:30,194 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_313bcbbb-d1b4-4e41-ad7d-b965592c5656/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2022-12-14 10:12:30,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:12:30,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:12:30,222 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-14 10:12:30,223 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 10:12:30,223 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 10:12:30,224 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-14 10:12:30,231 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 10:12:30,233 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 10:12:30,238 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-14 10:12:30,267 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 10:12:30,267 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-14 10:12:30,269 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-14 10:12:30,269 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-14 10:12:30,276 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-14 10:12:30,277 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-14 10:12:30,277 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-14 10:12:30,280 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 10:12:30,280 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 10:12:30,280 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-14 10:12:30,280 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 10:12:30,287 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-14 10:12:30,289 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 10:12:30,293 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-14 10:12:30,294 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 10:12:30,297 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 10:12:30,300 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 10:12:30,300 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-14 10:12:30,301 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 10:12:30,374 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-14 10:12:30,374 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:30,377 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:30,379 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:30,393 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-14 10:12:30,436 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-14 10:12:30,439 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-14 10:12:30,441 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-14 10:12:30,442 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 10:12:30,443 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-14 10:12:30,443 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 10:12:30,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:12:30,874 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:12:30,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30 WrapperNode [2022-12-14 10:12:30,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:12:30,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:12:30,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:12:30,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:12:30,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:30,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,015 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 509 [2022-12-14 10:12:31,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:12:31,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:12:31,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:12:31,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:12:31,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,063 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:12:31,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:12:31,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:12:31,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:12:31,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (1/1) ... [2022-12-14 10:12:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:12:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:12:31,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:12:31,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313bcbbb-d1b4-4e41-ad7d-b965592c5656/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:12:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:12:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:12:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:12:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-14 10:12:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:12:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-14 10:12:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-14 10:12:31,137 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 10:12:31,467 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:12:31,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:12:31,974 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:12:31,985 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:12:31,985 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:12:31,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:12:31 BoogieIcfgContainer [2022-12-14 10:12:31,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:12:31,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:12:31,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:12:31,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:12:31,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:12:26" (1/3) ... [2022-12-14 10:12:31,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492fcb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:12:31, skipping insertion in model container [2022-12-14 10:12:31,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:30" (2/3) ... [2022-12-14 10:12:31,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492fcb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:12:31, skipping insertion in model container [2022-12-14 10:12:31,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:12:31" (3/3) ... [2022-12-14 10:12:31,995 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-14 10:12:32,004 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 10:12:32,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:12:32,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-12-14 10:12:32,014 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 10:12:32,134 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 10:12:32,163 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 10:12:32,176 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 603 transitions, 1222 flow [2022-12-14 10:12:32,179 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 603 transitions, 1222 flow [2022-12-14 10:12:32,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 594 places, 603 transitions, 1222 flow [2022-12-14 10:12:32,383 INFO L130 PetriNetUnfolder]: 16/601 cut-off events. [2022-12-14 10:12:32,384 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 10:12:32,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 601 events. 16/601 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 811 event pairs, 0 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 472. Up to 5 conditions per place. [2022-12-14 10:12:32,403 INFO L119 LiptonReduction]: Number of co-enabled transitions 41704 [2022-12-14 10:13:32,070 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 263 DAG size of output: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:15:14,338 WARN L233 SmtUtils]: Spent 1.56m on a formula simplification. DAG size of input: 571 DAG size of output: 567 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:16:16,460 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 510 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:18:30,588 WARN L233 SmtUtils]: Spent 2.24m on a formula simplification. DAG size of input: 582 DAG size of output: 578 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:19:09,460 WARN L233 SmtUtils]: Spent 38.86s on a formula simplification that was a NOOP. DAG size: 521 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:19:09,927 INFO L134 LiptonReduction]: Checked pairs total: 527742 [2022-12-14 10:19:09,927 INFO L136 LiptonReduction]: Total number of compositions: 718 [2022-12-14 10:19:09,934 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 159 transitions, 334 flow [2022-12-14 10:19:10,437 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 10:19:10,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:19:10,461 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;@2cc0bc3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:19:10,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2022-12-14 10:19:10,499 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 10:19:10,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 10:19:10,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:10,503 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 10:19:10,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2250, now seen corresponding path program 1 times [2022-12-14 10:19:10,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:10,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169211116] [2022-12-14 10:19:10,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:10,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:10,627 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 10:19:10,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:10,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169211116] [2022-12-14 10:19:10,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169211116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:10,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:10,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 10:19:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870536391] [2022-12-14 10:19:10,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:10,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:19:10,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:10,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:19:10,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:19:10,674 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 10:19:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:11,109 INFO L93 Difference]: Finished difference Result 18521 states and 55127 transitions. [2022-12-14 10:19:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:19:11,111 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 10:19:11,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:11,256 INFO L225 Difference]: With dead ends: 18521 [2022-12-14 10:19:11,256 INFO L226 Difference]: Without dead ends: 18521 [2022-12-14 10:19:11,257 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 10:19:11,260 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 10:19:11,261 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 10:19:11,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18521 states. [2022-12-14 10:19:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18521 to 18521. [2022-12-14 10:19:11,858 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 10:19:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18521 states to 18521 states and 55127 transitions. [2022-12-14 10:19:12,017 INFO L78 Accepts]: Start accepts. Automaton has 18521 states and 55127 transitions. Word has length 1 [2022-12-14 10:19:12,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:12,018 INFO L495 AbstractCegarLoop]: Abstraction has 18521 states and 55127 transitions. [2022-12-14 10:19:12,018 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 10:19:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 18521 states and 55127 transitions. [2022-12-14 10:19:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 10:19:12,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:12,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:12,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:19:12,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:12,021 INFO L85 PathProgramCache]: Analyzing trace with hash -541620852, now seen corresponding path program 1 times [2022-12-14 10:19:12,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:12,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560093097] [2022-12-14 10:19:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:12,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:13,058 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 10:19:13,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:13,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560093097] [2022-12-14 10:19:13,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560093097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:13,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:13,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:19:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727531302] [2022-12-14 10:19:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:13,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:19:13,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:13,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:19:13,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:19:13,062 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 10:19:14,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:14,612 INFO L93 Difference]: Finished difference Result 27746 states and 81075 transitions. [2022-12-14 10:19:14,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:19:14,613 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 10:19:14,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:14,720 INFO L225 Difference]: With dead ends: 27746 [2022-12-14 10:19:14,720 INFO L226 Difference]: Without dead ends: 27746 [2022-12-14 10:19:14,721 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 10:19:14,722 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 158 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:14,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 74 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 10:19:14,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27746 states. [2022-12-14 10:19:15,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27746 to 25520. [2022-12-14 10:19:15,298 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 10:19:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25520 states to 25520 states and 76480 transitions. [2022-12-14 10:19:15,361 INFO L78 Accepts]: Start accepts. Automaton has 25520 states and 76480 transitions. Word has length 10 [2022-12-14 10:19:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:15,362 INFO L495 AbstractCegarLoop]: Abstraction has 25520 states and 76480 transitions. [2022-12-14 10:19:15,362 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 10:19:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 25520 states and 76480 transitions. [2022-12-14 10:19:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 10:19:15,365 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:15,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:15,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:19:15,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:15,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:15,366 INFO L85 PathProgramCache]: Analyzing trace with hash -527901332, now seen corresponding path program 1 times [2022-12-14 10:19:15,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:15,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360510571] [2022-12-14 10:19:15,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:15,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:16,851 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 10:19:16,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360510571] [2022-12-14 10:19:16,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360510571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:16,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:16,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 10:19:16,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578556070] [2022-12-14 10:19:16,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:16,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:16,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:16,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:16,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:16,854 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 10:19:19,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:19,638 INFO L93 Difference]: Finished difference Result 40198 states and 119504 transitions. [2022-12-14 10:19:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:19:19,639 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 10:19:19,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:19,767 INFO L225 Difference]: With dead ends: 40198 [2022-12-14 10:19:19,767 INFO L226 Difference]: Without dead ends: 40198 [2022-12-14 10:19:19,767 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 10:19:19,769 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 206 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:19,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 62 Invalid, 2252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 10:19:19,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40198 states. [2022-12-14 10:19:20,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40198 to 34340. [2022-12-14 10:19:20,448 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 10:19:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34340 states to 34340 states and 101857 transitions. [2022-12-14 10:19:20,526 INFO L78 Accepts]: Start accepts. Automaton has 34340 states and 101857 transitions. Word has length 13 [2022-12-14 10:19:20,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:20,526 INFO L495 AbstractCegarLoop]: Abstraction has 34340 states and 101857 transitions. [2022-12-14 10:19:20,526 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 10:19:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 34340 states and 101857 transitions. [2022-12-14 10:19:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:20,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:20,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:20,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:19:20,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:20,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:20,529 INFO L85 PathProgramCache]: Analyzing trace with hash -303201777, now seen corresponding path program 1 times [2022-12-14 10:19:20,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:20,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045144363] [2022-12-14 10:19:20,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:21,809 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 10:19:21,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:21,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045144363] [2022-12-14 10:19:21,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045144363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:21,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:21,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:21,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227789259] [2022-12-14 10:19:21,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:21,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:21,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:21,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:21,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:21,812 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 10:19:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:23,985 INFO L93 Difference]: Finished difference Result 47679 states and 140718 transitions. [2022-12-14 10:19:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:19:23,985 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 10:19:23,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:24,163 INFO L225 Difference]: With dead ends: 47679 [2022-12-14 10:19:24,163 INFO L226 Difference]: Without dead ends: 47679 [2022-12-14 10:19:24,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:19:24,164 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 420 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:24,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 135 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 10:19:24,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47679 states. [2022-12-14 10:19:24,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47679 to 36500. [2022-12-14 10:19:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36500 states, 36452 states have (on average 2.987188631625151) internal successors, (108889), 36499 states have internal predecessors, (108889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36500 states to 36500 states and 108889 transitions. [2022-12-14 10:19:24,850 INFO L78 Accepts]: Start accepts. Automaton has 36500 states and 108889 transitions. Word has length 14 [2022-12-14 10:19:24,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:24,851 INFO L495 AbstractCegarLoop]: Abstraction has 36500 states and 108889 transitions. [2022-12-14 10:19:24,851 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 10:19:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36500 states and 108889 transitions. [2022-12-14 10:19:24,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:24,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:24,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:24,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:19:24,854 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:24,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:24,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1230557707, now seen corresponding path program 2 times [2022-12-14 10:19:24,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:24,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135969074] [2022-12-14 10:19:24,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:24,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:25,645 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 10:19:25,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:25,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135969074] [2022-12-14 10:19:25,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135969074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:25,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:25,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:25,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405115369] [2022-12-14 10:19:25,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:25,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:25,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:25,646 INFO L87 Difference]: Start difference. First operand 36500 states and 108889 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 10:19:29,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:29,647 INFO L93 Difference]: Finished difference Result 55326 states and 159238 transitions. [2022-12-14 10:19:29,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:19:29,647 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 10:19:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:29,784 INFO L225 Difference]: With dead ends: 55326 [2022-12-14 10:19:29,784 INFO L226 Difference]: Without dead ends: 55326 [2022-12-14 10:19:29,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:19:29,785 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 348 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3884 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 4230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 3884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:29,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 72 Invalid, 4230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 3884 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 10:19:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55326 states. [2022-12-14 10:19:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55326 to 36500. [2022-12-14 10:19:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36500 states, 36452 states have (on average 2.987188631625151) internal successors, (108889), 36499 states have internal predecessors, (108889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36500 states to 36500 states and 108889 transitions. [2022-12-14 10:19:30,704 INFO L78 Accepts]: Start accepts. Automaton has 36500 states and 108889 transitions. Word has length 14 [2022-12-14 10:19:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:30,704 INFO L495 AbstractCegarLoop]: Abstraction has 36500 states and 108889 transitions. [2022-12-14 10:19:30,704 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 10:19:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 36500 states and 108889 transitions. [2022-12-14 10:19:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:30,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:30,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:30,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:19:30,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2096582077, now seen corresponding path program 3 times [2022-12-14 10:19:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:30,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331201099] [2022-12-14 10:19:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:31,547 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 10:19:31,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:31,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331201099] [2022-12-14 10:19:31,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331201099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:31,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:31,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:31,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457259310] [2022-12-14 10:19:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:31,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:31,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:31,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:31,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:31,549 INFO L87 Difference]: Start difference. First operand 36500 states and 108889 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 10:19:36,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:36,386 INFO L93 Difference]: Finished difference Result 71400 states and 202513 transitions. [2022-12-14 10:19:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:19:36,386 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 10:19:36,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:36,561 INFO L225 Difference]: With dead ends: 71400 [2022-12-14 10:19:36,561 INFO L226 Difference]: Without dead ends: 71400 [2022-12-14 10:19:36,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-12-14 10:19:36,562 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 414 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4447 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 4447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:36,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 72 Invalid, 4902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 4447 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 10:19:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71400 states. [2022-12-14 10:19:37,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71400 to 36545. [2022-12-14 10:19:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36545 states, 36497 states have (on average 2.988547003863331) internal successors, (109073), 36544 states have internal predecessors, (109073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36545 states to 36545 states and 109073 transitions. [2022-12-14 10:19:37,469 INFO L78 Accepts]: Start accepts. Automaton has 36545 states and 109073 transitions. Word has length 14 [2022-12-14 10:19:37,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:37,469 INFO L495 AbstractCegarLoop]: Abstraction has 36545 states and 109073 transitions. [2022-12-14 10:19:37,469 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 10:19:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 36545 states and 109073 transitions. [2022-12-14 10:19:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:37,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:37,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:37,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:19:37,471 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:37,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:37,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2111544847, now seen corresponding path program 4 times [2022-12-14 10:19:37,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:37,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081976573] [2022-12-14 10:19:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:37,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:38,099 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 10:19:38,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:38,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081976573] [2022-12-14 10:19:38,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081976573] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:38,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:38,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:38,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226519867] [2022-12-14 10:19:38,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:38,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:38,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:38,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:38,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:38,101 INFO L87 Difference]: Start difference. First operand 36545 states and 109073 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 10:19:41,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:41,714 INFO L93 Difference]: Finished difference Result 61104 states and 176968 transitions. [2022-12-14 10:19:41,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:19:41,714 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 10:19:41,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:41,866 INFO L225 Difference]: With dead ends: 61104 [2022-12-14 10:19:41,866 INFO L226 Difference]: Without dead ends: 61104 [2022-12-14 10:19:41,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-12-14 10:19:41,867 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:41,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 72 Invalid, 3785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 3372 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 10:19:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61104 states. [2022-12-14 10:19:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61104 to 36500. [2022-12-14 10:19:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36500 states, 36452 states have (on average 2.987188631625151) internal successors, (108889), 36499 states have internal predecessors, (108889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36500 states to 36500 states and 108889 transitions. [2022-12-14 10:19:42,655 INFO L78 Accepts]: Start accepts. Automaton has 36500 states and 108889 transitions. Word has length 14 [2022-12-14 10:19:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:42,655 INFO L495 AbstractCegarLoop]: Abstraction has 36500 states and 108889 transitions. [2022-12-14 10:19:42,655 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 10:19:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36500 states and 108889 transitions. [2022-12-14 10:19:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:42,657 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:42,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:42,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:19:42,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:42,658 INFO L85 PathProgramCache]: Analyzing trace with hash 373481203, now seen corresponding path program 5 times [2022-12-14 10:19:42,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:42,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982111277] [2022-12-14 10:19:42,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:42,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:43,258 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 10:19:43,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:43,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982111277] [2022-12-14 10:19:43,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982111277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:43,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:43,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:43,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054377217] [2022-12-14 10:19:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:43,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:43,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:43,260 INFO L87 Difference]: Start difference. First operand 36500 states and 108889 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 10:19:47,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:47,514 INFO L93 Difference]: Finished difference Result 77178 states and 220153 transitions. [2022-12-14 10:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:19:47,515 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 10:19:47,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:47,700 INFO L225 Difference]: With dead ends: 77178 [2022-12-14 10:19:47,700 INFO L226 Difference]: Without dead ends: 77178 [2022-12-14 10:19:47,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-12-14 10:19:47,701 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 473 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3514 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 3514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:47,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 72 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 3514 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:19:47,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77178 states. [2022-12-14 10:19:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77178 to 36590. [2022-12-14 10:19:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36590 states, 36542 states have (on average 2.9899020305402004) internal successors, (109257), 36589 states have internal predecessors, (109257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36590 states to 36590 states and 109257 transitions. [2022-12-14 10:19:48,590 INFO L78 Accepts]: Start accepts. Automaton has 36590 states and 109257 transitions. Word has length 14 [2022-12-14 10:19:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:48,590 INFO L495 AbstractCegarLoop]: Abstraction has 36590 states and 109257 transitions. [2022-12-14 10:19:48,590 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 10:19:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 36590 states and 109257 transitions. [2022-12-14 10:19:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:48,592 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:48,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:48,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:19:48,592 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:48,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:48,593 INFO L85 PathProgramCache]: Analyzing trace with hash 388443973, now seen corresponding path program 6 times [2022-12-14 10:19:48,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:48,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25949904] [2022-12-14 10:19:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:49,138 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 10:19:49,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:49,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25949904] [2022-12-14 10:19:49,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25949904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:49,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:49,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:49,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931594248] [2022-12-14 10:19:49,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:49,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:49,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:49,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:49,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:49,140 INFO L87 Difference]: Start difference. First operand 36590 states and 109257 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 10:19:53,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:53,520 INFO L93 Difference]: Finished difference Result 81856 states and 234328 transitions. [2022-12-14 10:19:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:19:53,521 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 10:19:53,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:53,722 INFO L225 Difference]: With dead ends: 81856 [2022-12-14 10:19:53,722 INFO L226 Difference]: Without dead ends: 81856 [2022-12-14 10:19:53,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-12-14 10:19:53,723 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 421 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 4628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:53,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 72 Invalid, 4628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 4158 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 10:19:53,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81856 states. [2022-12-14 10:19:54,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81856 to 36545. [2022-12-14 10:19:54,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36545 states, 36497 states have (on average 2.988547003863331) internal successors, (109073), 36544 states have internal predecessors, (109073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36545 states to 36545 states and 109073 transitions. [2022-12-14 10:19:54,651 INFO L78 Accepts]: Start accepts. Automaton has 36545 states and 109073 transitions. Word has length 14 [2022-12-14 10:19:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:54,651 INFO L495 AbstractCegarLoop]: Abstraction has 36545 states and 109073 transitions. [2022-12-14 10:19:54,651 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 10:19:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 36545 states and 109073 transitions. [2022-12-14 10:19:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:54,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:54,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:54,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:19:54,653 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:54,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:54,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1177607563, now seen corresponding path program 7 times [2022-12-14 10:19:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:54,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760386339] [2022-12-14 10:19:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:54,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:55,434 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 10:19:55,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:55,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760386339] [2022-12-14 10:19:55,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760386339] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:55,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:55,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:19:55,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331249067] [2022-12-14 10:19:55,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:55,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:19:55,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:19:55,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:19:55,435 INFO L87 Difference]: Start difference. First operand 36545 states and 109073 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 10:19:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:19:58,811 INFO L93 Difference]: Finished difference Result 71715 states and 209284 transitions. [2022-12-14 10:19:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:19:58,812 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 10:19:58,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:19:58,987 INFO L225 Difference]: With dead ends: 71715 [2022-12-14 10:19:58,987 INFO L226 Difference]: Without dead ends: 71715 [2022-12-14 10:19:58,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-12-14 10:19:58,988 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 386 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:19:58,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 72 Invalid, 3151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 10:19:59,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71715 states. [2022-12-14 10:19:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71715 to 36500. [2022-12-14 10:19:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36500 states, 36452 states have (on average 2.987188631625151) internal successors, (108889), 36499 states have internal predecessors, (108889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:19:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36500 states to 36500 states and 108889 transitions. [2022-12-14 10:19:59,964 INFO L78 Accepts]: Start accepts. Automaton has 36500 states and 108889 transitions. Word has length 14 [2022-12-14 10:19:59,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:19:59,964 INFO L495 AbstractCegarLoop]: Abstraction has 36500 states and 108889 transitions. [2022-12-14 10:19:59,964 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 10:19:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 36500 states and 108889 transitions. [2022-12-14 10:19:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:19:59,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:59,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:59,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 10:19:59,967 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:19:59,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:59,967 INFO L85 PathProgramCache]: Analyzing trace with hash -349442417, now seen corresponding path program 8 times [2022-12-14 10:19:59,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:59,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958926936] [2022-12-14 10:19:59,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:59,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:00,567 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 10:20:00,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:00,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958926936] [2022-12-14 10:20:00,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958926936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:00,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:00,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:20:00,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754048000] [2022-12-14 10:20:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:00,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:20:00,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:20:00,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:20:00,569 INFO L87 Difference]: Start difference. First operand 36500 states and 108889 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 10:20:04,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:04,040 INFO L93 Difference]: Finished difference Result 63755 states and 184183 transitions. [2022-12-14 10:20:04,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 10:20:04,040 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 10:20:04,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:04,202 INFO L225 Difference]: With dead ends: 63755 [2022-12-14 10:20:04,202 INFO L226 Difference]: Without dead ends: 63755 [2022-12-14 10:20:04,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-12-14 10:20:04,203 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 360 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3154 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 3154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:04,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 72 Invalid, 3557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 3154 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 10:20:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63755 states. [2022-12-14 10:20:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63755 to 27460. [2022-12-14 10:20:04,974 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 10:20:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27460 states to 27460 states and 80632 transitions. [2022-12-14 10:20:05,061 INFO L78 Accepts]: Start accepts. Automaton has 27460 states and 80632 transitions. Word has length 14 [2022-12-14 10:20:05,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:05,062 INFO L495 AbstractCegarLoop]: Abstraction has 27460 states and 80632 transitions. [2022-12-14 10:20:05,062 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 10:20:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27460 states and 80632 transitions. [2022-12-14 10:20:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 10:20:05,065 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:05,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:20:05,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:20:05,065 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_nvram_llseekErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:05,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1863352089, now seen corresponding path program 1 times [2022-12-14 10:20:05,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:05,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408787016] [2022-12-14 10:20:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:06,153 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 10:20:06,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:06,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408787016] [2022-12-14 10:20:06,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408787016] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:06,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:06,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 10:20:06,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439134573] [2022-12-14 10:20:06,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:06,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:20:06,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:06,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:20:06,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:20:06,155 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 10:20:08,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:08,889 INFO L93 Difference]: Finished difference Result 35919 states and 104623 transitions. [2022-12-14 10:20:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:20:08,890 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 10:20:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:08,976 INFO L225 Difference]: With dead ends: 35919 [2022-12-14 10:20:08,977 INFO L226 Difference]: Without dead ends: 35890 [2022-12-14 10:20:08,977 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 10:20:08,977 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 234 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:08,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 62 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 10:20:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35890 states. [2022-12-14 10:20:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35890 to 32399. [2022-12-14 10:20:09,472 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 10:20:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32399 states to 32399 states and 94531 transitions. [2022-12-14 10:20:09,542 INFO L78 Accepts]: Start accepts. Automaton has 32399 states and 94531 transitions. Word has length 15 [2022-12-14 10:20:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:09,543 INFO L495 AbstractCegarLoop]: Abstraction has 32399 states and 94531 transitions. [2022-12-14 10:20:09,543 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 10:20:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32399 states and 94531 transitions. [2022-12-14 10:20:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 10:20:09,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:09,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:20:09,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:20:09,545 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:09,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:09,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1110019111, now seen corresponding path program 1 times [2022-12-14 10:20:09,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:09,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725618289] [2022-12-14 10:20:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:09,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:10,434 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 10:20:10,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:10,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725618289] [2022-12-14 10:20:10,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725618289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:10,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:10,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 10:20:10,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697122359] [2022-12-14 10:20:10,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:10,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:20:10,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:10,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:20:10,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:20:10,436 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 10:20:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:13,159 INFO L93 Difference]: Finished difference Result 36573 states and 106712 transitions. [2022-12-14 10:20:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:20:13,160 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 10:20:13,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:13,258 INFO L225 Difference]: With dead ends: 36573 [2022-12-14 10:20:13,258 INFO L226 Difference]: Without dead ends: 36551 [2022-12-14 10:20:13,259 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 10:20:13,259 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 219 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:13,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 75 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 10:20:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36551 states. [2022-12-14 10:20:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36551 to 35908. [2022-12-14 10:20:13,775 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 10:20:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35908 states to 35908 states and 104795 transitions. [2022-12-14 10:20:13,854 INFO L78 Accepts]: Start accepts. Automaton has 35908 states and 104795 transitions. Word has length 16 [2022-12-14 10:20:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:13,854 INFO L495 AbstractCegarLoop]: Abstraction has 35908 states and 104795 transitions. [2022-12-14 10:20:13,854 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 10:20:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 35908 states and 104795 transitions. [2022-12-14 10:20:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 10:20:13,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:13,857 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 10:20:13,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 10:20:13,857 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:13,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:13,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1152616233, now seen corresponding path program 1 times [2022-12-14 10:20:13,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:13,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461598623] [2022-12-14 10:20:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:15,200 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 10:20:15,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:15,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461598623] [2022-12-14 10:20:15,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461598623] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:15,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:15,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 10:20:15,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873384819] [2022-12-14 10:20:15,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:15,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 10:20:15,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 10:20:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:20:15,202 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 10:20:19,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:19,436 INFO L93 Difference]: Finished difference Result 38971 states and 113648 transitions. [2022-12-14 10:20:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 10:20:19,437 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 10:20:19,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:19,523 INFO L225 Difference]: With dead ends: 38971 [2022-12-14 10:20:19,524 INFO L226 Difference]: Without dead ends: 38971 [2022-12-14 10:20:19,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=332, Unknown=0, NotChecked=0, Total=506 [2022-12-14 10:20:19,524 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 581 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 3142 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 3142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:19,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 117 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 3142 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 10:20:19,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38971 states. [2022-12-14 10:20:20,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38971 to 35754. [2022-12-14 10:20:20,067 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 10:20:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35754 states to 35754 states and 104318 transitions. [2022-12-14 10:20:20,145 INFO L78 Accepts]: Start accepts. Automaton has 35754 states and 104318 transitions. Word has length 18 [2022-12-14 10:20:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:20,145 INFO L495 AbstractCegarLoop]: Abstraction has 35754 states and 104318 transitions. [2022-12-14 10:20:20,145 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 10:20:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 35754 states and 104318 transitions. [2022-12-14 10:20:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:20,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:20,148 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 10:20:20,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 10:20:20,148 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash 2032052913, now seen corresponding path program 1 times [2022-12-14 10:20:20,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:20,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309256850] [2022-12-14 10:20:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:20,484 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 10:20:20,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:20,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309256850] [2022-12-14 10:20:20,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309256850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:20,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:20,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:20:20,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245019788] [2022-12-14 10:20:20,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:20,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:20:20,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:20,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:20:20,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:20:20,485 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 10:20:21,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:21,559 INFO L93 Difference]: Finished difference Result 35840 states and 104453 transitions. [2022-12-14 10:20:21,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:20:21,560 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 10:20:21,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:21,631 INFO L225 Difference]: With dead ends: 35840 [2022-12-14 10:20:21,631 INFO L226 Difference]: Without dead ends: 34097 [2022-12-14 10:20:21,631 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 10:20:21,632 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:21,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 81 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 10:20:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34097 states. [2022-12-14 10:20:22,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34097 to 34089. [2022-12-14 10:20:22,118 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 10:20:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34089 states to 34089 states and 98483 transitions. [2022-12-14 10:20:22,191 INFO L78 Accepts]: Start accepts. Automaton has 34089 states and 98483 transitions. Word has length 19 [2022-12-14 10:20:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:22,192 INFO L495 AbstractCegarLoop]: Abstraction has 34089 states and 98483 transitions. [2022-12-14 10:20:22,192 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 10:20:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 34089 states and 98483 transitions. [2022-12-14 10:20:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:22,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:22,195 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 10:20:22,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 10:20:22,195 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:22,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1608680791, now seen corresponding path program 1 times [2022-12-14 10:20:22,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:22,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483564923] [2022-12-14 10:20:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:23,473 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 10:20:23,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:23,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483564923] [2022-12-14 10:20:23,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483564923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:23,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:23,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:20:23,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655430719] [2022-12-14 10:20:23,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:23,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:20:23,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:23,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:20:23,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:20:23,475 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 10:20:27,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:27,394 INFO L93 Difference]: Finished difference Result 37503 states and 108272 transitions. [2022-12-14 10:20:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 10:20:27,394 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 10:20:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:27,472 INFO L225 Difference]: With dead ends: 37503 [2022-12-14 10:20:27,472 INFO L226 Difference]: Without dead ends: 37503 [2022-12-14 10:20:27,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=564, Unknown=0, NotChecked=0, Total=870 [2022-12-14 10:20:27,473 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 459 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3506 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 3555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 3506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:27,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 175 Invalid, 3555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 3506 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 10:20:27,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37503 states. [2022-12-14 10:20:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37503 to 34158. [2022-12-14 10:20:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34158 states, 34129 states have (on average 2.891880805180345) internal successors, (98697), 34157 states have internal predecessors, (98697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:20:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34158 states to 34158 states and 98697 transitions. [2022-12-14 10:20:28,052 INFO L78 Accepts]: Start accepts. Automaton has 34158 states and 98697 transitions. Word has length 19 [2022-12-14 10:20:28,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:28,052 INFO L495 AbstractCegarLoop]: Abstraction has 34158 states and 98697 transitions. [2022-12-14 10:20:28,053 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 10:20:28,053 INFO L276 IsEmpty]: Start isEmpty. Operand 34158 states and 98697 transitions. [2022-12-14 10:20:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:28,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:28,055 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 10:20:28,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 10:20:28,056 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:28,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:28,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1300849459, now seen corresponding path program 2 times [2022-12-14 10:20:28,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:28,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847392259] [2022-12-14 10:20:28,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:28,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:30,248 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 10:20:30,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:30,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847392259] [2022-12-14 10:20:30,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847392259] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:30,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:30,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:20:30,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488328936] [2022-12-14 10:20:30,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:30,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:20:30,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:30,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:20:30,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:20:30,250 INFO L87 Difference]: Start difference. First operand 34158 states and 98697 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 10:20:34,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:34,592 INFO L93 Difference]: Finished difference Result 37639 states and 108613 transitions. [2022-12-14 10:20:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:20:34,593 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 10:20:34,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:34,671 INFO L225 Difference]: With dead ends: 37639 [2022-12-14 10:20:34,671 INFO L226 Difference]: Without dead ends: 37639 [2022-12-14 10:20:34,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:20:34,672 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 364 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 2904 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:34,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 175 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2904 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 10:20:34,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37639 states. [2022-12-14 10:20:35,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37639 to 34228. [2022-12-14 10:20:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34228 states, 34199 states have (on average 2.891809702038071) internal successors, (98897), 34227 states have internal predecessors, (98897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:20:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34228 states to 34228 states and 98897 transitions. [2022-12-14 10:20:35,258 INFO L78 Accepts]: Start accepts. Automaton has 34228 states and 98897 transitions. Word has length 19 [2022-12-14 10:20:35,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:35,259 INFO L495 AbstractCegarLoop]: Abstraction has 34228 states and 98897 transitions. [2022-12-14 10:20:35,259 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 10:20:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 34228 states and 98897 transitions. [2022-12-14 10:20:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:35,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:35,262 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 10:20:35,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 10:20:35,262 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:35,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:35,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1924360479, now seen corresponding path program 3 times [2022-12-14 10:20:35,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:35,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073711824] [2022-12-14 10:20:35,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:35,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:37,091 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 10:20:37,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:37,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073711824] [2022-12-14 10:20:37,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073711824] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:37,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:37,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:20:37,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179423574] [2022-12-14 10:20:37,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:37,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:20:37,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:20:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:20:37,092 INFO L87 Difference]: Start difference. First operand 34228 states and 98897 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 10:20:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:39,821 INFO L93 Difference]: Finished difference Result 37406 states and 108037 transitions. [2022-12-14 10:20:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:20:39,822 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 10:20:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:39,899 INFO L225 Difference]: With dead ends: 37406 [2022-12-14 10:20:39,899 INFO L226 Difference]: Without dead ends: 37406 [2022-12-14 10:20:39,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=384, Unknown=0, NotChecked=0, Total=600 [2022-12-14 10:20:39,900 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 477 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:39,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 175 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 10:20:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37406 states. [2022-12-14 10:20:40,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37406 to 34278. [2022-12-14 10:20:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34278 states, 34249 states have (on average 2.892405617682268) internal successors, (99062), 34277 states have internal predecessors, (99062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:20:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34278 states to 34278 states and 99062 transitions. [2022-12-14 10:20:40,484 INFO L78 Accepts]: Start accepts. Automaton has 34278 states and 99062 transitions. Word has length 19 [2022-12-14 10:20:40,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:40,484 INFO L495 AbstractCegarLoop]: Abstraction has 34278 states and 99062 transitions. [2022-12-14 10:20:40,484 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 10:20:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 34278 states and 99062 transitions. [2022-12-14 10:20:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:40,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:40,488 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 10:20:40,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 10:20:40,488 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1905765129, now seen corresponding path program 4 times [2022-12-14 10:20:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:40,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140683594] [2022-12-14 10:20:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:42,186 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 10:20:42,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:42,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140683594] [2022-12-14 10:20:42,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140683594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:42,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:42,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:20:42,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001009824] [2022-12-14 10:20:42,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:42,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:20:42,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:20:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:20:42,187 INFO L87 Difference]: Start difference. First operand 34278 states and 99062 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 10:20:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:47,873 INFO L93 Difference]: Finished difference Result 37457 states and 108175 transitions. [2022-12-14 10:20:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:20:47,874 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 10:20:47,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:47,960 INFO L225 Difference]: With dead ends: 37457 [2022-12-14 10:20:47,960 INFO L226 Difference]: Without dead ends: 37457 [2022-12-14 10:20:47,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=228, Invalid=422, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:20:47,960 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 565 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 4049 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:47,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 132 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 4049 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 10:20:48,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37457 states. [2022-12-14 10:20:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37457 to 34278. [2022-12-14 10:20:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34278 states, 34249 states have (on average 2.892405617682268) internal successors, (99062), 34277 states have internal predecessors, (99062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:20:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34278 states to 34278 states and 99062 transitions. [2022-12-14 10:20:48,555 INFO L78 Accepts]: Start accepts. Automaton has 34278 states and 99062 transitions. Word has length 19 [2022-12-14 10:20:48,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:48,555 INFO L495 AbstractCegarLoop]: Abstraction has 34278 states and 99062 transitions. [2022-12-14 10:20:48,555 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 10:20:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 34278 states and 99062 transitions. [2022-12-14 10:20:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:48,558 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:48,558 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 10:20:48,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 10:20:48,558 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:48,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1327521819, now seen corresponding path program 5 times [2022-12-14 10:20:48,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:48,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644843839] [2022-12-14 10:20:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:50,362 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 10:20:50,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:50,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644843839] [2022-12-14 10:20:50,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644843839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:50,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:50,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:20:50,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145984695] [2022-12-14 10:20:50,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:50,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:20:50,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:50,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:20:50,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:20:50,364 INFO L87 Difference]: Start difference. First operand 34278 states and 99062 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 10:20:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:55,471 INFO L93 Difference]: Finished difference Result 37526 states and 108340 transitions. [2022-12-14 10:20:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:20:55,472 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 10:20:55,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:55,550 INFO L225 Difference]: With dead ends: 37526 [2022-12-14 10:20:55,550 INFO L226 Difference]: Without dead ends: 37526 [2022-12-14 10:20:55,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:20:55,551 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 427 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3252 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 3252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:55,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 175 Invalid, 3282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 3252 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 10:20:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37526 states. [2022-12-14 10:20:56,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37526 to 34278. [2022-12-14 10:20:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34278 states, 34249 states have (on average 2.892405617682268) internal successors, (99062), 34277 states have internal predecessors, (99062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:20:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34278 states to 34278 states and 99062 transitions. [2022-12-14 10:20:56,188 INFO L78 Accepts]: Start accepts. Automaton has 34278 states and 99062 transitions. Word has length 19 [2022-12-14 10:20:56,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:56,188 INFO L495 AbstractCegarLoop]: Abstraction has 34278 states and 99062 transitions. [2022-12-14 10:20:56,189 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 10:20:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 34278 states and 99062 transitions. [2022-12-14 10:20:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:20:56,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:56,193 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 10:20:56,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 10:20:56,194 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:20:56,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:56,194 INFO L85 PathProgramCache]: Analyzing trace with hash -526437133, now seen corresponding path program 6 times [2022-12-14 10:20:56,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:56,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465148798] [2022-12-14 10:20:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:56,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:58,842 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 10:20:58,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:58,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465148798] [2022-12-14 10:20:58,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465148798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:58,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:58,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:20:58,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288973245] [2022-12-14 10:20:58,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:58,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:20:58,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:58,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:20:58,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:20:58,844 INFO L87 Difference]: Start difference. First operand 34278 states and 99062 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 10:21:04,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:04,730 INFO L93 Difference]: Finished difference Result 37586 states and 108496 transitions. [2022-12-14 10:21:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:21:04,731 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 10:21:04,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:04,808 INFO L225 Difference]: With dead ends: 37586 [2022-12-14 10:21:04,808 INFO L226 Difference]: Without dead ends: 37586 [2022-12-14 10:21:04,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:21:04,809 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 407 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4360 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 4381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:04,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 175 Invalid, 4381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4360 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 10:21:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37586 states. [2022-12-14 10:21:05,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37586 to 34278. [2022-12-14 10:21:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34278 states, 34249 states have (on average 2.892405617682268) internal successors, (99062), 34277 states have internal predecessors, (99062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34278 states to 34278 states and 99062 transitions. [2022-12-14 10:21:05,406 INFO L78 Accepts]: Start accepts. Automaton has 34278 states and 99062 transitions. Word has length 19 [2022-12-14 10:21:05,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:05,406 INFO L495 AbstractCegarLoop]: Abstraction has 34278 states and 99062 transitions. [2022-12-14 10:21:05,406 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 10:21:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 34278 states and 99062 transitions. [2022-12-14 10:21:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:05,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:05,410 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 10:21:05,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 10:21:05,410 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:05,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:05,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1114007947, now seen corresponding path program 7 times [2022-12-14 10:21:05,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:05,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684741859] [2022-12-14 10:21:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:07,581 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 10:21:07,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:07,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684741859] [2022-12-14 10:21:07,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684741859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:07,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:07,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:07,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992461066] [2022-12-14 10:21:07,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:07,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:07,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:07,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:07,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:07,583 INFO L87 Difference]: Start difference. First operand 34278 states and 99062 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 10:21:11,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:11,107 INFO L93 Difference]: Finished difference Result 37646 states and 108652 transitions. [2022-12-14 10:21:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:21:11,108 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 10:21:11,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:11,185 INFO L225 Difference]: With dead ends: 37646 [2022-12-14 10:21:11,185 INFO L226 Difference]: Without dead ends: 37646 [2022-12-14 10:21:11,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:21:11,186 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 499 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 2958 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:11,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 132 Invalid, 2998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2958 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 10:21:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37646 states. [2022-12-14 10:21:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37646 to 34278. [2022-12-14 10:21:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34278 states, 34249 states have (on average 2.892405617682268) internal successors, (99062), 34277 states have internal predecessors, (99062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34278 states to 34278 states and 99062 transitions. [2022-12-14 10:21:11,844 INFO L78 Accepts]: Start accepts. Automaton has 34278 states and 99062 transitions. Word has length 19 [2022-12-14 10:21:11,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:11,844 INFO L495 AbstractCegarLoop]: Abstraction has 34278 states and 99062 transitions. [2022-12-14 10:21:11,844 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 10:21:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 34278 states and 99062 transitions. [2022-12-14 10:21:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:11,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:11,847 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 10:21:11,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 10:21:11,848 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:11,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:11,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1074327391, now seen corresponding path program 8 times [2022-12-14 10:21:11,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:11,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164985154] [2022-12-14 10:21:11,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:11,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:13,396 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 10:21:13,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:13,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164985154] [2022-12-14 10:21:13,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164985154] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:13,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:13,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:13,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028349443] [2022-12-14 10:21:13,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:13,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:13,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:13,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:13,397 INFO L87 Difference]: Start difference. First operand 34278 states and 99062 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 10:21:17,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:17,743 INFO L93 Difference]: Finished difference Result 37659 states and 108710 transitions. [2022-12-14 10:21:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:21:17,744 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 10:21:17,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:17,823 INFO L225 Difference]: With dead ends: 37659 [2022-12-14 10:21:17,823 INFO L226 Difference]: Without dead ends: 37659 [2022-12-14 10:21:17,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=327, Invalid=603, Unknown=0, NotChecked=0, Total=930 [2022-12-14 10:21:17,824 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 495 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3428 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 3478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:17,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 175 Invalid, 3478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3428 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 10:21:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37659 states. [2022-12-14 10:21:18,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37659 to 34297. [2022-12-14 10:21:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34297 states, 34268 states have (on average 2.892406910236956) internal successors, (99117), 34296 states have internal predecessors, (99117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34297 states to 34297 states and 99117 transitions. [2022-12-14 10:21:18,417 INFO L78 Accepts]: Start accepts. Automaton has 34297 states and 99117 transitions. Word has length 19 [2022-12-14 10:21:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:18,417 INFO L495 AbstractCegarLoop]: Abstraction has 34297 states and 99117 transitions. [2022-12-14 10:21:18,418 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 10:21:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34297 states and 99117 transitions. [2022-12-14 10:21:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:18,421 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:18,421 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 10:21:18,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 10:21:18,421 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:18,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:18,422 INFO L85 PathProgramCache]: Analyzing trace with hash -808909569, now seen corresponding path program 9 times [2022-12-14 10:21:18,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:18,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136930374] [2022-12-14 10:21:18,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:18,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:19,694 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 10:21:19,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:19,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136930374] [2022-12-14 10:21:19,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136930374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:19,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:19,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:19,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058893485] [2022-12-14 10:21:19,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:19,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:19,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:19,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:19,696 INFO L87 Difference]: Start difference. First operand 34297 states and 99117 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 10:21:24,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:24,483 INFO L93 Difference]: Finished difference Result 37680 states and 108770 transitions. [2022-12-14 10:21:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:21:24,484 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 10:21:24,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:24,560 INFO L225 Difference]: With dead ends: 37680 [2022-12-14 10:21:24,560 INFO L226 Difference]: Without dead ends: 37680 [2022-12-14 10:21:24,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=617, Unknown=0, NotChecked=0, Total=930 [2022-12-14 10:21:24,561 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 470 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4192 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 4236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 4192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:24,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 175 Invalid, 4236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 4192 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 10:21:24,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37680 states. [2022-12-14 10:21:25,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37680 to 34304. [2022-12-14 10:21:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34304 states, 34275 states have (on average 2.892399708242159) internal successors, (99137), 34303 states have internal predecessors, (99137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34304 states to 34304 states and 99137 transitions. [2022-12-14 10:21:25,131 INFO L78 Accepts]: Start accepts. Automaton has 34304 states and 99137 transitions. Word has length 19 [2022-12-14 10:21:25,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:25,131 INFO L495 AbstractCegarLoop]: Abstraction has 34304 states and 99137 transitions. [2022-12-14 10:21:25,131 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 10:21:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 34304 states and 99137 transitions. [2022-12-14 10:21:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:25,134 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:25,134 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 10:21:25,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 10:21:25,135 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:25,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:25,135 INFO L85 PathProgramCache]: Analyzing trace with hash 576527477, now seen corresponding path program 10 times [2022-12-14 10:21:25,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:25,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223963847] [2022-12-14 10:21:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:27,130 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 10:21:27,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:27,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223963847] [2022-12-14 10:21:27,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223963847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:27,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:27,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:27,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164458263] [2022-12-14 10:21:27,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:27,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:27,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:27,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:27,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:27,132 INFO L87 Difference]: Start difference. First operand 34304 states and 99137 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 10:21:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:30,178 INFO L93 Difference]: Finished difference Result 37685 states and 108729 transitions. [2022-12-14 10:21:30,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:21:30,178 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 10:21:30,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:30,259 INFO L225 Difference]: With dead ends: 37685 [2022-12-14 10:21:30,259 INFO L226 Difference]: Without dead ends: 37685 [2022-12-14 10:21:30,260 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 10:21:30,260 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 457 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:30,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 132 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 10:21:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37685 states. [2022-12-14 10:21:30,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37685 to 34297. [2022-12-14 10:21:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34297 states, 34268 states have (on average 2.892406910236956) internal successors, (99117), 34296 states have internal predecessors, (99117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34297 states to 34297 states and 99117 transitions. [2022-12-14 10:21:30,845 INFO L78 Accepts]: Start accepts. Automaton has 34297 states and 99117 transitions. Word has length 19 [2022-12-14 10:21:30,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:30,845 INFO L495 AbstractCegarLoop]: Abstraction has 34297 states and 99117 transitions. [2022-12-14 10:21:30,845 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 10:21:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 34297 states and 99117 transitions. [2022-12-14 10:21:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:30,848 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:30,849 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 10:21:30,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 10:21:30,849 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:30,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash -318532405, now seen corresponding path program 11 times [2022-12-14 10:21:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:30,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960840759] [2022-12-14 10:21:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:32,077 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 10:21:32,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:32,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960840759] [2022-12-14 10:21:32,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960840759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:32,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:32,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:32,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509006215] [2022-12-14 10:21:32,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:32,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:32,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:32,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:32,078 INFO L87 Difference]: Start difference. First operand 34297 states and 99117 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 10:21:36,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:36,818 INFO L93 Difference]: Finished difference Result 37745 states and 108948 transitions. [2022-12-14 10:21:36,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 10:21:36,819 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 10:21:36,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:36,904 INFO L225 Difference]: With dead ends: 37745 [2022-12-14 10:21:36,904 INFO L226 Difference]: Without dead ends: 37745 [2022-12-14 10:21:36,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=333, Invalid=659, Unknown=0, NotChecked=0, Total=992 [2022-12-14 10:21:36,905 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 570 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 4105 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 4146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 4105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:36,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 132 Invalid, 4146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 4105 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 10:21:36,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37745 states. [2022-12-14 10:21:37,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37745 to 34323. [2022-12-14 10:21:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34323 states, 34294 states have (on average 2.8924010030909195) internal successors, (99192), 34322 states have internal predecessors, (99192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34323 states to 34323 states and 99192 transitions. [2022-12-14 10:21:37,512 INFO L78 Accepts]: Start accepts. Automaton has 34323 states and 99192 transitions. Word has length 19 [2022-12-14 10:21:37,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:37,512 INFO L495 AbstractCegarLoop]: Abstraction has 34323 states and 99192 transitions. [2022-12-14 10:21:37,512 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 10:21:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 34323 states and 99192 transitions. [2022-12-14 10:21:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:37,516 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:37,516 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 10:21:37,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 10:21:37,516 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:37,516 INFO L85 PathProgramCache]: Analyzing trace with hash -53114583, now seen corresponding path program 12 times [2022-12-14 10:21:37,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:37,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727232020] [2022-12-14 10:21:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:37,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:38,938 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 10:21:38,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:38,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727232020] [2022-12-14 10:21:38,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727232020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:38,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:38,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:38,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110132887] [2022-12-14 10:21:38,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:38,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:38,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:38,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:38,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:38,940 INFO L87 Difference]: Start difference. First operand 34323 states and 99192 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 10:21:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:41,565 INFO L93 Difference]: Finished difference Result 37801 states and 109045 transitions. [2022-12-14 10:21:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:21:41,566 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 10:21:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:41,644 INFO L225 Difference]: With dead ends: 37801 [2022-12-14 10:21:41,644 INFO L226 Difference]: Without dead ends: 37801 [2022-12-14 10:21:41,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:21:41,645 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 474 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:41,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 132 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 10:21:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37801 states. [2022-12-14 10:21:42,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37801 to 34330. [2022-12-14 10:21:42,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34330 states, 34301 states have (on average 2.8923938077607065) internal successors, (99212), 34329 states have internal predecessors, (99212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34330 states to 34330 states and 99212 transitions. [2022-12-14 10:21:42,366 INFO L78 Accepts]: Start accepts. Automaton has 34330 states and 99212 transitions. Word has length 19 [2022-12-14 10:21:42,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:42,366 INFO L495 AbstractCegarLoop]: Abstraction has 34330 states and 99212 transitions. [2022-12-14 10:21:42,367 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 10:21:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 34330 states and 99212 transitions. [2022-12-14 10:21:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:42,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:42,372 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 10:21:42,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 10:21:42,372 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:42,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:42,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1332322463, now seen corresponding path program 13 times [2022-12-14 10:21:42,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:42,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661179542] [2022-12-14 10:21:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:42,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:44,415 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 10:21:44,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:44,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661179542] [2022-12-14 10:21:44,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661179542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:44,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:44,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:44,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324128295] [2022-12-14 10:21:44,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:44,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:44,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:44,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:44,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:44,417 INFO L87 Difference]: Start difference. First operand 34330 states and 99212 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 10:21:47,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:47,604 INFO L93 Difference]: Finished difference Result 37745 states and 108885 transitions. [2022-12-14 10:21:47,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:21:47,605 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 10:21:47,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:47,683 INFO L225 Difference]: With dead ends: 37745 [2022-12-14 10:21:47,684 INFO L226 Difference]: Without dead ends: 37745 [2022-12-14 10:21:47,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:21:47,684 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 314 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:47,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 175 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 10:21:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37745 states. [2022-12-14 10:21:48,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37745 to 34316. [2022-12-14 10:21:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34316 states, 34287 states have (on average 2.8924082013591157) internal successors, (99172), 34315 states have internal predecessors, (99172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34316 states to 34316 states and 99172 transitions. [2022-12-14 10:21:48,351 INFO L78 Accepts]: Start accepts. Automaton has 34316 states and 99172 transitions. Word has length 19 [2022-12-14 10:21:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:48,352 INFO L495 AbstractCegarLoop]: Abstraction has 34316 states and 99172 transitions. [2022-12-14 10:21:48,352 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 10:21:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 34316 states and 99172 transitions. [2022-12-14 10:21:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:48,356 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:48,356 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 10:21:48,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 10:21:48,357 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:48,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:48,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1494233812, now seen corresponding path program 1 times [2022-12-14 10:21:48,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:48,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964145454] [2022-12-14 10:21:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:48,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:49,764 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 10:21:49,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:49,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964145454] [2022-12-14 10:21:49,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964145454] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:49,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:49,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:49,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191260058] [2022-12-14 10:21:49,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:49,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:49,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:49,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:49,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:49,766 INFO L87 Difference]: Start difference. First operand 34316 states and 99172 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 10:21:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:53,094 INFO L93 Difference]: Finished difference Result 70163 states and 201356 transitions. [2022-12-14 10:21:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:21:53,094 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 10:21:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:53,252 INFO L225 Difference]: With dead ends: 70163 [2022-12-14 10:21:53,252 INFO L226 Difference]: Without dead ends: 68987 [2022-12-14 10:21:53,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:21:53,252 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 848 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 2938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:53,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 118 Invalid, 2938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 10:21:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68987 states. [2022-12-14 10:21:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68987 to 45954. [2022-12-14 10:21:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45954 states, 45925 states have (on average 2.928034839412085) internal successors, (134470), 45953 states have internal predecessors, (134470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45954 states to 45954 states and 134470 transitions. [2022-12-14 10:21:54,190 INFO L78 Accepts]: Start accepts. Automaton has 45954 states and 134470 transitions. Word has length 19 [2022-12-14 10:21:54,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:54,191 INFO L495 AbstractCegarLoop]: Abstraction has 45954 states and 134470 transitions. [2022-12-14 10:21:54,191 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 10:21:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 45954 states and 134470 transitions. [2022-12-14 10:21:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:21:54,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:54,194 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 10:21:54,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 10:21:54,195 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:21:54,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash -55152565, now seen corresponding path program 14 times [2022-12-14 10:21:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:54,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250426946] [2022-12-14 10:21:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:55,357 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 10:21:55,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:55,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250426946] [2022-12-14 10:21:55,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250426946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:55,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:55,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:21:55,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595521635] [2022-12-14 10:21:55,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:55,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:21:55,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:55,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:21:55,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:21:55,358 INFO L87 Difference]: Start difference. First operand 45954 states and 134470 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 10:21:59,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:59,327 INFO L93 Difference]: Finished difference Result 63442 states and 182627 transitions. [2022-12-14 10:21:59,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:21:59,327 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 10:21:59,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:59,472 INFO L225 Difference]: With dead ends: 63442 [2022-12-14 10:21:59,472 INFO L226 Difference]: Without dead ends: 63442 [2022-12-14 10:21:59,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:21:59,473 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 803 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 3292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:59,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 133 Invalid, 3292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3254 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 10:21:59,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63442 states. [2022-12-14 10:22:00,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63442 to 46238. [2022-12-14 10:22:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46238 states, 46209 states have (on average 2.9291047198597675) internal successors, (135351), 46237 states have internal predecessors, (135351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:22:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46238 states to 46238 states and 135351 transitions. [2022-12-14 10:22:00,384 INFO L78 Accepts]: Start accepts. Automaton has 46238 states and 135351 transitions. Word has length 19 [2022-12-14 10:22:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:00,384 INFO L495 AbstractCegarLoop]: Abstraction has 46238 states and 135351 transitions. [2022-12-14 10:22:00,384 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 10:22:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 46238 states and 135351 transitions. [2022-12-14 10:22:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:22:00,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:00,388 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 10:22:00,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 10:22:00,388 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:00,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:00,388 INFO L85 PathProgramCache]: Analyzing trace with hash 210265257, now seen corresponding path program 15 times [2022-12-14 10:22:00,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:00,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268510845] [2022-12-14 10:22:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:00,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:01,754 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 10:22:01,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:01,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268510845] [2022-12-14 10:22:01,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268510845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:01,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:01,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:01,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622804608] [2022-12-14 10:22:01,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:01,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:01,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:01,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:01,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:01,756 INFO L87 Difference]: Start difference. First operand 46238 states and 135351 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 10:22:06,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:06,925 INFO L93 Difference]: Finished difference Result 63524 states and 182880 transitions. [2022-12-14 10:22:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:22:06,925 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 10:22:06,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:07,071 INFO L225 Difference]: With dead ends: 63524 [2022-12-14 10:22:07,071 INFO L226 Difference]: Without dead ends: 63524 [2022-12-14 10:22:07,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:22:07,072 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 632 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 4027 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 4027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:07,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 176 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 4027 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 10:22:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63524 states. [2022-12-14 10:22:07,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63524 to 46308. [2022-12-14 10:22:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46308 states, 46279 states have (on average 2.9295792908230514) internal successors, (135578), 46307 states have internal predecessors, (135578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:22:08,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46308 states to 46308 states and 135578 transitions. [2022-12-14 10:22:08,027 INFO L78 Accepts]: Start accepts. Automaton has 46308 states and 135578 transitions. Word has length 19 [2022-12-14 10:22:08,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:08,028 INFO L495 AbstractCegarLoop]: Abstraction has 46308 states and 135578 transitions. [2022-12-14 10:22:08,028 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 10:22:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 46308 states and 135578 transitions. [2022-12-14 10:22:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:22:08,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:08,032 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 10:22:08,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 10:22:08,032 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:08,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:08,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1595702303, now seen corresponding path program 16 times [2022-12-14 10:22:08,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:08,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418165616] [2022-12-14 10:22:08,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:10,268 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 10:22:10,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:10,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418165616] [2022-12-14 10:22:10,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418165616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:10,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:10,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:10,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480334867] [2022-12-14 10:22:10,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:10,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:10,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:10,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:10,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:10,270 INFO L87 Difference]: Start difference. First operand 46308 states and 135578 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 10:22:15,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:15,567 INFO L93 Difference]: Finished difference Result 63259 states and 182124 transitions. [2022-12-14 10:22:15,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:22:15,568 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 10:22:15,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:15,716 INFO L225 Difference]: With dead ends: 63259 [2022-12-14 10:22:15,716 INFO L226 Difference]: Without dead ends: 63259 [2022-12-14 10:22:15,716 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 10:22:15,717 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 586 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 3564 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 3608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:15,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 176 Invalid, 3608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 3564 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 10:22:15,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63259 states. [2022-12-14 10:22:16,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63259 to 46627. [2022-12-14 10:22:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46627 states, 46598 states have (on average 2.9319927893901028) internal successors, (136625), 46626 states have internal predecessors, (136625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:22:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46627 states to 46627 states and 136625 transitions. [2022-12-14 10:22:16,747 INFO L78 Accepts]: Start accepts. Automaton has 46627 states and 136625 transitions. Word has length 19 [2022-12-14 10:22:16,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:16,747 INFO L495 AbstractCegarLoop]: Abstraction has 46627 states and 136625 transitions. [2022-12-14 10:22:16,747 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 10:22:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 46627 states and 136625 transitions. [2022-12-14 10:22:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:22:16,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:16,751 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 10:22:16,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 10:22:16,751 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:16,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1114695148, now seen corresponding path program 2 times [2022-12-14 10:22:16,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:16,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815032940] [2022-12-14 10:22:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:16,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:17,914 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 10:22:17,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:17,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815032940] [2022-12-14 10:22:17,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815032940] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:17,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:17,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:17,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863396050] [2022-12-14 10:22:17,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:17,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:17,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:17,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:17,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:17,915 INFO L87 Difference]: Start difference. First operand 46627 states and 136625 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 10:22:21,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:21,324 INFO L93 Difference]: Finished difference Result 79389 states and 230543 transitions. [2022-12-14 10:22:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 10:22:21,325 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 10:22:21,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:21,504 INFO L225 Difference]: With dead ends: 79389 [2022-12-14 10:22:21,504 INFO L226 Difference]: Without dead ends: 78213 [2022-12-14 10:22:21,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=272, Invalid=598, Unknown=0, NotChecked=0, Total=870 [2022-12-14 10:22:21,505 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 633 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 2849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:21,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 122 Invalid, 2849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 2131 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 10:22:21,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78213 states. [2022-12-14 10:22:22,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78213 to 51083. [2022-12-14 10:22:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51083 states, 51054 states have (on average 2.9343832020997374) internal successors, (149812), 51082 states have internal predecessors, (149812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:22:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51083 states to 51083 states and 149812 transitions. [2022-12-14 10:22:22,598 INFO L78 Accepts]: Start accepts. Automaton has 51083 states and 149812 transitions. Word has length 19 [2022-12-14 10:22:22,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:22,598 INFO L495 AbstractCegarLoop]: Abstraction has 51083 states and 149812 transitions. [2022-12-14 10:22:22,598 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 10:22:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 51083 states and 149812 transitions. [2022-12-14 10:22:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:22:22,604 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:22,604 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 10:22:22,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 10:22:22,604 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:22,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1842782576, now seen corresponding path program 3 times [2022-12-14 10:22:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:22,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234248159] [2022-12-14 10:22:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:23,919 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 10:22:23,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:23,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234248159] [2022-12-14 10:22:23,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234248159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:23,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:23,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:23,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931464416] [2022-12-14 10:22:23,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:23,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:23,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:23,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:23,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:23,921 INFO L87 Difference]: Start difference. First operand 51083 states and 149812 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 10:22:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:29,393 INFO L93 Difference]: Finished difference Result 73351 states and 213768 transitions. [2022-12-14 10:22:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 10:22:29,393 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 10:22:29,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:29,553 INFO L225 Difference]: With dead ends: 73351 [2022-12-14 10:22:29,553 INFO L226 Difference]: Without dead ends: 72322 [2022-12-14 10:22:29,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=527, Invalid=1113, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 10:22:29,554 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 606 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4353 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 4353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:29,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 122 Invalid, 4949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 4353 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 10:22:29,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72322 states. [2022-12-14 10:22:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72322 to 49858. [2022-12-14 10:22:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49858 states, 49829 states have (on average 2.9333319954243513) internal successors, (146165), 49857 states have internal predecessors, (146165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:22:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49858 states to 49858 states and 146165 transitions. [2022-12-14 10:22:30,536 INFO L78 Accepts]: Start accepts. Automaton has 49858 states and 146165 transitions. Word has length 19 [2022-12-14 10:22:30,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:30,536 INFO L495 AbstractCegarLoop]: Abstraction has 49858 states and 146165 transitions. [2022-12-14 10:22:30,537 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 10:22:30,537 INFO L276 IsEmpty]: Start isEmpty. Operand 49858 states and 146165 transitions. [2022-12-14 10:22:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:22:30,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:30,542 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 10:22:30,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 10:22:30,542 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:30,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash 632371088, now seen corresponding path program 4 times [2022-12-14 10:22:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:30,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116591877] [2022-12-14 10:22:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:31,761 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 10:22:31,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:31,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116591877] [2022-12-14 10:22:31,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116591877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:31,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:31,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22313621] [2022-12-14 10:22:31,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:31,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:31,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:31,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:31,763 INFO L87 Difference]: Start difference. First operand 49858 states and 146165 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 10:22:34,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:34,934 INFO L93 Difference]: Finished difference Result 72317 states and 207931 transitions. [2022-12-14 10:22:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 10:22:34,935 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 10:22:34,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:35,095 INFO L225 Difference]: With dead ends: 72317 [2022-12-14 10:22:35,095 INFO L226 Difference]: Without dead ends: 71141 [2022-12-14 10:22:35,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=255, Invalid=557, Unknown=0, NotChecked=0, Total=812 [2022-12-14 10:22:35,096 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 812 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 2847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:35,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 154 Invalid, 2847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 2338 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 10:22:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71141 states. [2022-12-14 10:22:35,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71141 to 32275. [2022-12-14 10:22:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32275 states, 32254 states have (on average 2.942673776895889) internal successors, (94913), 32274 states have internal predecessors, (94913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:22:35,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32275 states to 32275 states and 94913 transitions. [2022-12-14 10:22:35,931 INFO L78 Accepts]: Start accepts. Automaton has 32275 states and 94913 transitions. Word has length 19 [2022-12-14 10:22:35,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:35,932 INFO L495 AbstractCegarLoop]: Abstraction has 32275 states and 94913 transitions. [2022-12-14 10:22:35,932 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 10:22:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32275 states and 94913 transitions. [2022-12-14 10:22:35,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:22:35,937 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:35,937 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 10:22:35,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 10:22:35,938 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash -917015289, now seen corresponding path program 17 times [2022-12-14 10:22:35,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:35,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253186272] [2022-12-14 10:22:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:35,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:37,467 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 10:22:37,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:37,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253186272] [2022-12-14 10:22:37,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253186272] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:37,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:37,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:37,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619036883] [2022-12-14 10:22:37,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:37,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:37,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:37,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:37,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:37,469 INFO L87 Difference]: Start difference. First operand 32275 states and 94913 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 10:22:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:40,879 INFO L93 Difference]: Finished difference Result 58126 states and 167440 transitions. [2022-12-14 10:22:40,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:22:40,880 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 10:22:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:41,010 INFO L225 Difference]: With dead ends: 58126 [2022-12-14 10:22:41,010 INFO L226 Difference]: Without dead ends: 58126 [2022-12-14 10:22:41,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:22:41,011 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 696 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:41,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 154 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 2246 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 10:22:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58126 states. [2022-12-14 10:22:41,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58126 to 38537. [2022-12-14 10:22:41,708 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 10:22:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38537 states to 38537 states and 113578 transitions. [2022-12-14 10:22:41,792 INFO L78 Accepts]: Start accepts. Automaton has 38537 states and 113578 transitions. Word has length 19 [2022-12-14 10:22:41,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:41,792 INFO L495 AbstractCegarLoop]: Abstraction has 38537 states and 113578 transitions. [2022-12-14 10:22:41,792 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 10:22:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 38537 states and 113578 transitions. [2022-12-14 10:22:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 10:22:41,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:41,797 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 10:22:41,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 10:22:41,797 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:41,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:41,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1280936764, now seen corresponding path program 1 times [2022-12-14 10:22:41,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:41,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783898305] [2022-12-14 10:22:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:41,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:43,189 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 10:22:43,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:43,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783898305] [2022-12-14 10:22:43,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783898305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:43,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:43,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:43,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945757405] [2022-12-14 10:22:43,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:43,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:43,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:43,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:43,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:43,190 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 10:22:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:47,841 INFO L93 Difference]: Finished difference Result 43793 states and 128304 transitions. [2022-12-14 10:22:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 10:22:47,842 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 10:22:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:47,932 INFO L225 Difference]: With dead ends: 43793 [2022-12-14 10:22:47,932 INFO L226 Difference]: Without dead ends: 43793 [2022-12-14 10:22:47,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=564, Unknown=0, NotChecked=0, Total=870 [2022-12-14 10:22:47,933 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 571 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 4306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:47,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 173 Invalid, 4306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 10:22:47,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43793 states. [2022-12-14 10:22:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43793 to 38537. [2022-12-14 10:22:48,519 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 10:22:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38537 states to 38537 states and 113578 transitions. [2022-12-14 10:22:48,605 INFO L78 Accepts]: Start accepts. Automaton has 38537 states and 113578 transitions. Word has length 20 [2022-12-14 10:22:48,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:48,606 INFO L495 AbstractCegarLoop]: Abstraction has 38537 states and 113578 transitions. [2022-12-14 10:22:48,606 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 10:22:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38537 states and 113578 transitions. [2022-12-14 10:22:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 10:22:48,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:48,610 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 10:22:48,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 10:22:48,610 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:48,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:48,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1445155514, now seen corresponding path program 2 times [2022-12-14 10:22:48,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:48,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484904248] [2022-12-14 10:22:48,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:48,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:49,913 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 10:22:49,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:49,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484904248] [2022-12-14 10:22:49,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484904248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:49,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:49,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375247336] [2022-12-14 10:22:49,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:49,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:49,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:49,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:49,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:49,914 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 10:22:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:54,080 INFO L93 Difference]: Finished difference Result 46067 states and 134910 transitions. [2022-12-14 10:22:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:22:54,081 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 10:22:54,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:54,179 INFO L225 Difference]: With dead ends: 46067 [2022-12-14 10:22:54,179 INFO L226 Difference]: Without dead ends: 46067 [2022-12-14 10:22:54,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=313, Invalid=617, Unknown=0, NotChecked=0, Total=930 [2022-12-14 10:22:54,179 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 662 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 3868 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 3868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:54,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 130 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 3868 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:22:54,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46067 states. [2022-12-14 10:22:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46067 to 38537. [2022-12-14 10:22:54,870 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 10:22:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38537 states to 38537 states and 113578 transitions. [2022-12-14 10:22:54,982 INFO L78 Accepts]: Start accepts. Automaton has 38537 states and 113578 transitions. Word has length 20 [2022-12-14 10:22:54,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:54,982 INFO L495 AbstractCegarLoop]: Abstraction has 38537 states and 113578 transitions. [2022-12-14 10:22:54,982 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 10:22:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand 38537 states and 113578 transitions. [2022-12-14 10:22:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 10:22:54,987 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:54,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:22:54,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 10:22:54,987 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:22:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash -895003696, now seen corresponding path program 3 times [2022-12-14 10:22:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:54,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249481131] [2022-12-14 10:22:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:56,474 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 10:22:56,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:56,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249481131] [2022-12-14 10:22:56,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249481131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:56,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:56,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:22:56,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132075400] [2022-12-14 10:22:56,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:56,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:22:56,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:56,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:22:56,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:22:56,475 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 10:22:59,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:59,823 INFO L93 Difference]: Finished difference Result 46789 states and 136943 transitions. [2022-12-14 10:22:59,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:22:59,824 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 10:22:59,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:59,923 INFO L225 Difference]: With dead ends: 46789 [2022-12-14 10:22:59,923 INFO L226 Difference]: Without dead ends: 46789 [2022-12-14 10:22:59,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:22:59,923 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 618 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 2732 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 3095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 2732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:59,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 130 Invalid, 3095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 2732 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 10:22:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46789 states. [2022-12-14 10:23:00,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46789 to 38537. [2022-12-14 10:23:00,544 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 10:23:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38537 states to 38537 states and 113578 transitions. [2022-12-14 10:23:00,692 INFO L78 Accepts]: Start accepts. Automaton has 38537 states and 113578 transitions. Word has length 20 [2022-12-14 10:23:00,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:00,692 INFO L495 AbstractCegarLoop]: Abstraction has 38537 states and 113578 transitions. [2022-12-14 10:23:00,692 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 10:23:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 38537 states and 113578 transitions. [2022-12-14 10:23:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 10:23:00,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:00,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:00,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 10:23:00,696 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:00,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash -334102214, now seen corresponding path program 4 times [2022-12-14 10:23:00,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:00,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229278627] [2022-12-14 10:23:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:00,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:01,918 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 10:23:01,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:01,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229278627] [2022-12-14 10:23:01,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229278627] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:01,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:01,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:23:01,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485741706] [2022-12-14 10:23:01,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:01,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 10:23:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:01,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 10:23:01,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:23:01,919 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 10:23:05,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:05,045 INFO L93 Difference]: Finished difference Result 63298 states and 182869 transitions. [2022-12-14 10:23:05,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:23:05,045 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 10:23:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:05,189 INFO L225 Difference]: With dead ends: 63298 [2022-12-14 10:23:05,189 INFO L226 Difference]: Without dead ends: 63298 [2022-12-14 10:23:05,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:23:05,190 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 594 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 2336 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 2336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:05,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 173 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 2336 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 10:23:05,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63298 states. [2022-12-14 10:23:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63298 to 30251. [2022-12-14 10:23:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30251 states, 30230 states have (on average 2.9120410188554415) internal successors, (88031), 30250 states have internal predecessors, (88031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30251 states to 30251 states and 88031 transitions. [2022-12-14 10:23:05,897 INFO L78 Accepts]: Start accepts. Automaton has 30251 states and 88031 transitions. Word has length 20 [2022-12-14 10:23:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:05,897 INFO L495 AbstractCegarLoop]: Abstraction has 30251 states and 88031 transitions. [2022-12-14 10:23:05,897 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 10:23:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30251 states and 88031 transitions. [2022-12-14 10:23:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:05,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:05,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:05,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 10:23:05,901 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:05,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:05,901 INFO L85 PathProgramCache]: Analyzing trace with hash -266882539, now seen corresponding path program 1 times [2022-12-14 10:23:05,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:05,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698024252] [2022-12-14 10:23:05,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:07,895 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 10:23:07,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:07,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698024252] [2022-12-14 10:23:07,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698024252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:07,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:07,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:07,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896276511] [2022-12-14 10:23:07,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:07,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:07,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:07,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:07,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:07,897 INFO L87 Difference]: Start difference. First operand 30251 states and 88031 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:11,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:11,436 INFO L93 Difference]: Finished difference Result 31776 states and 92126 transitions. [2022-12-14 10:23:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 10:23:11,437 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:23:11,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:11,501 INFO L225 Difference]: With dead ends: 31776 [2022-12-14 10:23:11,501 INFO L226 Difference]: Without dead ends: 31776 [2022-12-14 10:23:11,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=322, Invalid=608, Unknown=0, NotChecked=0, Total=930 [2022-12-14 10:23:11,502 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 594 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 2831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:11,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 112 Invalid, 2831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 10:23:11,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31776 states. [2022-12-14 10:23:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31776 to 30261. [2022-12-14 10:23:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30261 states, 30240 states have (on average 2.912037037037037) internal successors, (88060), 30260 states have internal predecessors, (88060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30261 states to 30261 states and 88060 transitions. [2022-12-14 10:23:11,998 INFO L78 Accepts]: Start accepts. Automaton has 30261 states and 88060 transitions. Word has length 21 [2022-12-14 10:23:11,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:11,999 INFO L495 AbstractCegarLoop]: Abstraction has 30261 states and 88060 transitions. [2022-12-14 10:23:11,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30261 states and 88060 transitions. [2022-12-14 10:23:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:12,002 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:12,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-14 10:23:12,002 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:12,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1118554507, now seen corresponding path program 2 times [2022-12-14 10:23:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:12,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37887849] [2022-12-14 10:23:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:14,241 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 10:23:14,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:14,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37887849] [2022-12-14 10:23:14,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37887849] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:14,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:14,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:14,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700907285] [2022-12-14 10:23:14,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:14,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:14,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:14,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:14,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:14,242 INFO L87 Difference]: Start difference. First operand 30261 states and 88060 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:18,614 INFO L93 Difference]: Finished difference Result 31924 states and 92502 transitions. [2022-12-14 10:23:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:23:18,615 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:23:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:18,675 INFO L225 Difference]: With dead ends: 31924 [2022-12-14 10:23:18,675 INFO L226 Difference]: Without dead ends: 31924 [2022-12-14 10:23:18,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:23:18,676 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 486 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:18,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 112 Invalid, 3109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3018 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 10:23:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31924 states. [2022-12-14 10:23:19,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31924 to 30311. [2022-12-14 10:23:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30311 states, 30290 states have (on average 2.912017167381974) internal successors, (88205), 30310 states have internal predecessors, (88205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30311 states to 30311 states and 88205 transitions. [2022-12-14 10:23:19,162 INFO L78 Accepts]: Start accepts. Automaton has 30311 states and 88205 transitions. Word has length 21 [2022-12-14 10:23:19,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:19,162 INFO L495 AbstractCegarLoop]: Abstraction has 30311 states and 88205 transitions. [2022-12-14 10:23:19,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 30311 states and 88205 transitions. [2022-12-14 10:23:19,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:19,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:19,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:19,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 10:23:19,166 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:19,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:19,166 INFO L85 PathProgramCache]: Analyzing trace with hash 495043487, now seen corresponding path program 3 times [2022-12-14 10:23:19,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:19,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481083258] [2022-12-14 10:23:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:19,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:24,856 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 10:23:24,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:24,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481083258] [2022-12-14 10:23:24,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481083258] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:24,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:24,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:24,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85697257] [2022-12-14 10:23:24,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:24,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:24,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:24,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:24,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:24,858 INFO L87 Difference]: Start difference. First operand 30311 states and 88205 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:29,969 INFO L93 Difference]: Finished difference Result 32585 states and 94433 transitions. [2022-12-14 10:23:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:23:29,970 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:23:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:30,034 INFO L225 Difference]: With dead ends: 32585 [2022-12-14 10:23:30,034 INFO L226 Difference]: Without dead ends: 32585 [2022-12-14 10:23:30,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:23:30,035 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 480 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 3790 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 3790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:30,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 149 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 3790 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 10:23:30,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32585 states. [2022-12-14 10:23:30,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32585 to 30552. [2022-12-14 10:23:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30552 states, 30531 states have (on average 2.9120565982116537) internal successors, (88908), 30551 states have internal predecessors, (88908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:30,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30552 states to 30552 states and 88908 transitions. [2022-12-14 10:23:30,579 INFO L78 Accepts]: Start accepts. Automaton has 30552 states and 88908 transitions. Word has length 21 [2022-12-14 10:23:30,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:30,579 INFO L495 AbstractCegarLoop]: Abstraction has 30552 states and 88908 transitions. [2022-12-14 10:23:30,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 30552 states and 88908 transitions. [2022-12-14 10:23:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:30,583 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:30,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:30,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-14 10:23:30,583 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:30,583 INFO L85 PathProgramCache]: Analyzing trace with hash 513638837, now seen corresponding path program 4 times [2022-12-14 10:23:30,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:30,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908182058] [2022-12-14 10:23:30,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:32,504 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 10:23:32,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:32,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908182058] [2022-12-14 10:23:32,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908182058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:32,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:32,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:32,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423838145] [2022-12-14 10:23:32,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:32,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:32,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:32,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:32,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:32,506 INFO L87 Difference]: Start difference. First operand 30552 states and 88908 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:39,278 INFO L93 Difference]: Finished difference Result 31968 states and 92706 transitions. [2022-12-14 10:23:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:23:39,279 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:23:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:39,342 INFO L225 Difference]: With dead ends: 31968 [2022-12-14 10:23:39,342 INFO L226 Difference]: Without dead ends: 31968 [2022-12-14 10:23:39,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:23:39,343 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 538 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 5286 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 5358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 5286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:39,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 112 Invalid, 5358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 5286 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 10:23:39,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31968 states. [2022-12-14 10:23:39,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31968 to 30552. [2022-12-14 10:23:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30552 states, 30531 states have (on average 2.9120565982116537) internal successors, (88908), 30551 states have internal predecessors, (88908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30552 states to 30552 states and 88908 transitions. [2022-12-14 10:23:39,865 INFO L78 Accepts]: Start accepts. Automaton has 30552 states and 88908 transitions. Word has length 21 [2022-12-14 10:23:39,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:39,865 INFO L495 AbstractCegarLoop]: Abstraction has 30552 states and 88908 transitions. [2022-12-14 10:23:39,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30552 states and 88908 transitions. [2022-12-14 10:23:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:39,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:39,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:39,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 10:23:39,869 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:39,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1091882147, now seen corresponding path program 5 times [2022-12-14 10:23:39,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:39,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093322057] [2022-12-14 10:23:39,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:39,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:41,810 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 10:23:41,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:41,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093322057] [2022-12-14 10:23:41,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093322057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:41,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:41,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:41,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671877414] [2022-12-14 10:23:41,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:41,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:41,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:41,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:41,811 INFO L87 Difference]: Start difference. First operand 30552 states and 88908 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:47,253 INFO L93 Difference]: Finished difference Result 32067 states and 92955 transitions. [2022-12-14 10:23:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:23:47,253 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:23:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:47,338 INFO L225 Difference]: With dead ends: 32067 [2022-12-14 10:23:47,338 INFO L226 Difference]: Without dead ends: 32067 [2022-12-14 10:23:47,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:23:47,339 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 509 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:47,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 112 Invalid, 4473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 4393 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 10:23:47,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32067 states. [2022-12-14 10:23:47,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32067 to 30552. [2022-12-14 10:23:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30552 states, 30531 states have (on average 2.9120565982116537) internal successors, (88908), 30551 states have internal predecessors, (88908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30552 states to 30552 states and 88908 transitions. [2022-12-14 10:23:47,857 INFO L78 Accepts]: Start accepts. Automaton has 30552 states and 88908 transitions. Word has length 21 [2022-12-14 10:23:47,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:47,857 INFO L495 AbstractCegarLoop]: Abstraction has 30552 states and 88908 transitions. [2022-12-14 10:23:47,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 30552 states and 88908 transitions. [2022-12-14 10:23:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:47,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:47,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:47,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 10:23:47,861 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:47,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:47,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1892966833, now seen corresponding path program 6 times [2022-12-14 10:23:47,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:47,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886915376] [2022-12-14 10:23:47,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:47,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:49,999 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 10:23:49,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:49,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886915376] [2022-12-14 10:23:49,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886915376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:49,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:49,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:49,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774315452] [2022-12-14 10:23:49,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:49,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:49,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:50,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:50,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:50,000 INFO L87 Difference]: Start difference. First operand 30552 states and 88908 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:54,570 INFO L93 Difference]: Finished difference Result 32133 states and 93127 transitions. [2022-12-14 10:23:54,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:23:54,571 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:23:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:54,635 INFO L225 Difference]: With dead ends: 32133 [2022-12-14 10:23:54,635 INFO L226 Difference]: Without dead ends: 32133 [2022-12-14 10:23:54,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:23:54,636 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 406 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:54,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 149 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 10:23:54,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32133 states. [2022-12-14 10:23:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32133 to 30552. [2022-12-14 10:23:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30552 states, 30531 states have (on average 2.9120565982116537) internal successors, (88908), 30551 states have internal predecessors, (88908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30552 states to 30552 states and 88908 transitions. [2022-12-14 10:23:55,138 INFO L78 Accepts]: Start accepts. Automaton has 30552 states and 88908 transitions. Word has length 21 [2022-12-14 10:23:55,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:55,138 INFO L495 AbstractCegarLoop]: Abstraction has 30552 states and 88908 transitions. [2022-12-14 10:23:55,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:23:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30552 states and 88908 transitions. [2022-12-14 10:23:55,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:23:55,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:55,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:55,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-14 10:23:55,142 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:23:55,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:55,142 INFO L85 PathProgramCache]: Analyzing trace with hash -761555383, now seen corresponding path program 7 times [2022-12-14 10:23:55,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:55,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395396736] [2022-12-14 10:23:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:55,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:23:57,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:57,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395396736] [2022-12-14 10:23:57,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395396736] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:57,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:57,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:23:57,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703554004] [2022-12-14 10:23:57,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:57,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:23:57,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:57,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:23:57,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:23:57,218 INFO L87 Difference]: Start difference. First operand 30552 states and 88908 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:01,821 INFO L93 Difference]: Finished difference Result 32199 states and 93299 transitions. [2022-12-14 10:24:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:24:01,822 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:01,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:01,888 INFO L225 Difference]: With dead ends: 32199 [2022-12-14 10:24:01,888 INFO L226 Difference]: Without dead ends: 32199 [2022-12-14 10:24:01,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:24:01,889 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 489 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3406 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:01,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 112 Invalid, 3495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 3406 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 10:24:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32199 states. [2022-12-14 10:24:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32199 to 30552. [2022-12-14 10:24:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30552 states, 30531 states have (on average 2.9120565982116537) internal successors, (88908), 30551 states have internal predecessors, (88908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30552 states to 30552 states and 88908 transitions. [2022-12-14 10:24:02,408 INFO L78 Accepts]: Start accepts. Automaton has 30552 states and 88908 transitions. Word has length 21 [2022-12-14 10:24:02,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:02,408 INFO L495 AbstractCegarLoop]: Abstraction has 30552 states and 88908 transitions. [2022-12-14 10:24:02,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 30552 states and 88908 transitions. [2022-12-14 10:24:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:02,412 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:02,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:02,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-14 10:24:02,412 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:02,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:02,412 INFO L85 PathProgramCache]: Analyzing trace with hash 77683771, now seen corresponding path program 8 times [2022-12-14 10:24:02,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:02,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258875683] [2022-12-14 10:24:02,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:02,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:03,854 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 10:24:03,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:03,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258875683] [2022-12-14 10:24:03,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258875683] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:03,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:03,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:03,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571542852] [2022-12-14 10:24:03,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:03,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:03,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:03,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:03,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:03,855 INFO L87 Difference]: Start difference. First operand 30552 states and 88908 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:06,368 INFO L93 Difference]: Finished difference Result 32217 states and 93374 transitions. [2022-12-14 10:24:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:24:06,369 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:06,435 INFO L225 Difference]: With dead ends: 32217 [2022-12-14 10:24:06,435 INFO L226 Difference]: Without dead ends: 32217 [2022-12-14 10:24:06,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=345, Invalid=647, Unknown=0, NotChecked=0, Total=992 [2022-12-14 10:24:06,436 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 593 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:06,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 112 Invalid, 2366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:24:06,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32217 states. [2022-12-14 10:24:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32217 to 30562. [2022-12-14 10:24:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30562 states, 30541 states have (on average 2.912052650535346) internal successors, (88937), 30561 states have internal predecessors, (88937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30562 states to 30562 states and 88937 transitions. [2022-12-14 10:24:06,948 INFO L78 Accepts]: Start accepts. Automaton has 30562 states and 88937 transitions. Word has length 21 [2022-12-14 10:24:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:06,949 INFO L495 AbstractCegarLoop]: Abstraction has 30562 states and 88937 transitions. [2022-12-14 10:24:06,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 30562 states and 88937 transitions. [2022-12-14 10:24:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:06,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:06,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:06,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-14 10:24:06,953 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:06,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:06,953 INFO L85 PathProgramCache]: Analyzing trace with hash 343101593, now seen corresponding path program 9 times [2022-12-14 10:24:06,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:06,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204076759] [2022-12-14 10:24:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:06,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:08,470 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 10:24:08,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:08,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204076759] [2022-12-14 10:24:08,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204076759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:08,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:08,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:08,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82301929] [2022-12-14 10:24:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:08,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:08,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:08,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:08,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:08,472 INFO L87 Difference]: Start difference. First operand 30562 states and 88937 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:13,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:13,668 INFO L93 Difference]: Finished difference Result 32255 states and 93485 transitions. [2022-12-14 10:24:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:24:13,669 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:13,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:13,743 INFO L225 Difference]: With dead ends: 32255 [2022-12-14 10:24:13,743 INFO L226 Difference]: Without dead ends: 32255 [2022-12-14 10:24:13,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=330, Invalid=662, Unknown=0, NotChecked=0, Total=992 [2022-12-14 10:24:13,744 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 543 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4777 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:13,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 112 Invalid, 4857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 4777 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 10:24:13,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32255 states. [2022-12-14 10:24:14,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32255 to 30572. [2022-12-14 10:24:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30572 states, 30551 states have (on average 2.912048705443357) internal successors, (88966), 30571 states have internal predecessors, (88966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30572 states to 30572 states and 88966 transitions. [2022-12-14 10:24:14,303 INFO L78 Accepts]: Start accepts. Automaton has 30572 states and 88966 transitions. Word has length 21 [2022-12-14 10:24:14,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:14,303 INFO L495 AbstractCegarLoop]: Abstraction has 30572 states and 88966 transitions. [2022-12-14 10:24:14,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 30572 states and 88966 transitions. [2022-12-14 10:24:14,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:14,306 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:14,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:14,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-14 10:24:14,307 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:14,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:14,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1728538639, now seen corresponding path program 10 times [2022-12-14 10:24:14,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:14,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39414828] [2022-12-14 10:24:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:14,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:16,608 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 10:24:16,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:16,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39414828] [2022-12-14 10:24:16,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39414828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:16,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:16,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:16,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967325898] [2022-12-14 10:24:16,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:16,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:16,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:16,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:16,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:16,611 INFO L87 Difference]: Start difference. First operand 30572 states and 88966 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:20,895 INFO L93 Difference]: Finished difference Result 32261 states and 93440 transitions. [2022-12-14 10:24:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:24:20,896 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:20,962 INFO L225 Difference]: With dead ends: 32261 [2022-12-14 10:24:20,962 INFO L226 Difference]: Without dead ends: 32261 [2022-12-14 10:24:20,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:24:20,962 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 462 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2950 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:20,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 112 Invalid, 3043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2950 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:24:21,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32261 states. [2022-12-14 10:24:21,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32261 to 30562. [2022-12-14 10:24:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30562 states, 30541 states have (on average 2.912052650535346) internal successors, (88937), 30561 states have internal predecessors, (88937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30562 states to 30562 states and 88937 transitions. [2022-12-14 10:24:21,482 INFO L78 Accepts]: Start accepts. Automaton has 30562 states and 88937 transitions. Word has length 21 [2022-12-14 10:24:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:21,482 INFO L495 AbstractCegarLoop]: Abstraction has 30562 states and 88937 transitions. [2022-12-14 10:24:21,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 30562 states and 88937 transitions. [2022-12-14 10:24:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:21,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:21,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:21,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-14 10:24:21,486 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:21,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:21,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1880844407, now seen corresponding path program 11 times [2022-12-14 10:24:21,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:21,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096399149] [2022-12-14 10:24:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:23,091 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 10:24:23,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:23,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096399149] [2022-12-14 10:24:23,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096399149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:23,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:23,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:23,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567941175] [2022-12-14 10:24:23,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:23,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:23,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:23,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:23,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:23,093 INFO L87 Difference]: Start difference. First operand 30562 states and 88937 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:28,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:28,071 INFO L93 Difference]: Finished difference Result 32330 states and 93692 transitions. [2022-12-14 10:24:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 10:24:28,072 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:28,138 INFO L225 Difference]: With dead ends: 32330 [2022-12-14 10:24:28,139 INFO L226 Difference]: Without dead ends: 32330 [2022-12-14 10:24:28,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=352, Invalid=704, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 10:24:28,139 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 585 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:28,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 112 Invalid, 4506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 10:24:28,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32330 states. [2022-12-14 10:24:28,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32330 to 30582. [2022-12-14 10:24:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30582 states, 30561 states have (on average 2.9120447629331503) internal successors, (88995), 30581 states have internal predecessors, (88995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30582 states to 30582 states and 88995 transitions. [2022-12-14 10:24:28,654 INFO L78 Accepts]: Start accepts. Automaton has 30582 states and 88995 transitions. Word has length 21 [2022-12-14 10:24:28,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:28,654 INFO L495 AbstractCegarLoop]: Abstraction has 30582 states and 88995 transitions. [2022-12-14 10:24:28,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30582 states and 88995 transitions. [2022-12-14 10:24:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:28,658 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:28,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:28,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-14 10:24:28,658 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:28,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2146262229, now seen corresponding path program 12 times [2022-12-14 10:24:28,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:28,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514391650] [2022-12-14 10:24:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:28,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:30,690 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 10:24:30,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:30,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514391650] [2022-12-14 10:24:30,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514391650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:30,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:30,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:30,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329723944] [2022-12-14 10:24:30,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:30,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:30,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:30,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:30,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:30,691 INFO L87 Difference]: Start difference. First operand 30582 states and 88995 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:33,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:33,624 INFO L93 Difference]: Finished difference Result 32409 states and 93845 transitions. [2022-12-14 10:24:33,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:24:33,625 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:33,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:33,691 INFO L225 Difference]: With dead ends: 32409 [2022-12-14 10:24:33,692 INFO L226 Difference]: Without dead ends: 32409 [2022-12-14 10:24:33,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:24:33,692 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 346 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:33,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 149 Invalid, 2410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 10:24:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32409 states. [2022-12-14 10:24:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32409 to 30592. [2022-12-14 10:24:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30592 states, 30571 states have (on average 2.9120408230021915) internal successors, (89024), 30591 states have internal predecessors, (89024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30592 states to 30592 states and 89024 transitions. [2022-12-14 10:24:34,206 INFO L78 Accepts]: Start accepts. Automaton has 30592 states and 89024 transitions. Word has length 21 [2022-12-14 10:24:34,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:34,207 INFO L495 AbstractCegarLoop]: Abstraction has 30592 states and 89024 transitions. [2022-12-14 10:24:34,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30592 states and 89024 transitions. [2022-12-14 10:24:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:34,210 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:34,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:34,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-14 10:24:34,210 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash -763268021, now seen corresponding path program 13 times [2022-12-14 10:24:34,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:34,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78548776] [2022-12-14 10:24:34,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:36,702 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 10:24:36,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:36,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78548776] [2022-12-14 10:24:36,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78548776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:36,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:36,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:36,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867283617] [2022-12-14 10:24:36,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:36,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:36,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:36,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:36,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:36,704 INFO L87 Difference]: Start difference. First operand 30592 states and 89024 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:39,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:39,548 INFO L93 Difference]: Finished difference Result 32327 states and 93612 transitions. [2022-12-14 10:24:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:24:39,549 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:39,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:39,613 INFO L225 Difference]: With dead ends: 32327 [2022-12-14 10:24:39,613 INFO L226 Difference]: Without dead ends: 32327 [2022-12-14 10:24:39,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:24:39,613 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 433 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:39,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 112 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 10:24:39,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32327 states. [2022-12-14 10:24:40,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32327 to 30572. [2022-12-14 10:24:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30572 states, 30551 states have (on average 2.912048705443357) internal successors, (88966), 30571 states have internal predecessors, (88966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30572 states to 30572 states and 88966 transitions. [2022-12-14 10:24:40,119 INFO L78 Accepts]: Start accepts. Automaton has 30572 states and 88966 transitions. Word has length 21 [2022-12-14 10:24:40,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:40,119 INFO L495 AbstractCegarLoop]: Abstraction has 30572 states and 88966 transitions. [2022-12-14 10:24:40,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30572 states and 88966 transitions. [2022-12-14 10:24:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:40,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:40,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:40,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-14 10:24:40,123 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash 418444651, now seen corresponding path program 14 times [2022-12-14 10:24:40,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:40,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120481987] [2022-12-14 10:24:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:40,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:41,703 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 10:24:41,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:41,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120481987] [2022-12-14 10:24:41,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120481987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:41,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:41,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:41,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834427287] [2022-12-14 10:24:41,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:41,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:41,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:41,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:41,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:41,704 INFO L87 Difference]: Start difference. First operand 30572 states and 88966 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:46,008 INFO L93 Difference]: Finished difference Result 61694 states and 178228 transitions. [2022-12-14 10:24:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:24:46,008 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:46,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:46,148 INFO L225 Difference]: With dead ends: 61694 [2022-12-14 10:24:46,148 INFO L226 Difference]: Without dead ends: 61694 [2022-12-14 10:24:46,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:24:46,149 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 664 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:46,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 132 Invalid, 3324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:24:46,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61694 states. [2022-12-14 10:24:46,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61694 to 33842. [2022-12-14 10:24:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33842 states, 33821 states have (on average 2.942875728097927) internal successors, (99531), 33841 states have internal predecessors, (99531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33842 states to 33842 states and 99531 transitions. [2022-12-14 10:24:46,920 INFO L78 Accepts]: Start accepts. Automaton has 33842 states and 99531 transitions. Word has length 21 [2022-12-14 10:24:46,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:46,921 INFO L495 AbstractCegarLoop]: Abstraction has 33842 states and 99531 transitions. [2022-12-14 10:24:46,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 33842 states and 99531 transitions. [2022-12-14 10:24:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:46,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:46,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:46,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-14 10:24:46,925 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 56462541, now seen corresponding path program 15 times [2022-12-14 10:24:46,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:46,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847009354] [2022-12-14 10:24:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:46,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:48,530 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 10:24:48,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:48,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847009354] [2022-12-14 10:24:48,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847009354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:48,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:48,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:48,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569724938] [2022-12-14 10:24:48,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:48,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:48,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:48,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:48,531 INFO L87 Difference]: Start difference. First operand 33842 states and 99531 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:53,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:53,867 INFO L93 Difference]: Finished difference Result 61535 states and 177767 transitions. [2022-12-14 10:24:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:24:53,868 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:24:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:54,011 INFO L225 Difference]: With dead ends: 61535 [2022-12-14 10:24:54,011 INFO L226 Difference]: Without dead ends: 61535 [2022-12-14 10:24:54,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:24:54,012 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 773 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 4471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 4394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:54,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 95 Invalid, 4471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 10:24:54,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61535 states. [2022-12-14 10:24:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61535 to 33983. [2022-12-14 10:24:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33983 states, 33962 states have (on average 2.944437901183676) internal successors, (99999), 33982 states have internal predecessors, (99999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33983 states to 33983 states and 99999 transitions. [2022-12-14 10:24:54,788 INFO L78 Accepts]: Start accepts. Automaton has 33983 states and 99999 transitions. Word has length 21 [2022-12-14 10:24:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:54,788 INFO L495 AbstractCegarLoop]: Abstraction has 33983 states and 99999 transitions. [2022-12-14 10:24:54,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:24:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 33983 states and 99999 transitions. [2022-12-14 10:24:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:24:54,792 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:54,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:54,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-14 10:24:54,793 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:24:54,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:54,793 INFO L85 PathProgramCache]: Analyzing trace with hash -412434819, now seen corresponding path program 16 times [2022-12-14 10:24:54,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:54,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915862686] [2022-12-14 10:24:54,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:54,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:57,124 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 10:24:57,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:57,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915862686] [2022-12-14 10:24:57,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915862686] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:57,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:57,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:24:57,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184280639] [2022-12-14 10:24:57,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:57,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:24:57,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:57,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:24:57,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:24:57,125 INFO L87 Difference]: Start difference. First operand 33983 states and 99999 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:02,747 INFO L93 Difference]: Finished difference Result 61108 states and 176550 transitions. [2022-12-14 10:25:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:25:02,748 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:25:02,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:02,888 INFO L225 Difference]: With dead ends: 61108 [2022-12-14 10:25:02,888 INFO L226 Difference]: Without dead ends: 61108 [2022-12-14 10:25:02,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:25:02,888 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 581 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 3611 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:02,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 132 Invalid, 3696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3611 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 10:25:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61108 states. [2022-12-14 10:25:03,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61108 to 34608. [2022-12-14 10:25:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34608 states, 34587 states have (on average 2.95160031225605) internal successors, (102087), 34607 states have internal predecessors, (102087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34608 states to 34608 states and 102087 transitions. [2022-12-14 10:25:03,690 INFO L78 Accepts]: Start accepts. Automaton has 34608 states and 102087 transitions. Word has length 21 [2022-12-14 10:25:03,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:03,691 INFO L495 AbstractCegarLoop]: Abstraction has 34608 states and 102087 transitions. [2022-12-14 10:25:03,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34608 states and 102087 transitions. [2022-12-14 10:25:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:25:03,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:03,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:03,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-14 10:25:03,695 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:03,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:03,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1890254229, now seen corresponding path program 17 times [2022-12-14 10:25:03,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:03,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123210903] [2022-12-14 10:25:03,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:03,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:05,059 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 10:25:05,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:05,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123210903] [2022-12-14 10:25:05,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123210903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:05,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:05,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:25:05,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837492853] [2022-12-14 10:25:05,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:05,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:25:05,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:05,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:25:05,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:25:05,060 INFO L87 Difference]: Start difference. First operand 34608 states and 102087 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:08,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:08,934 INFO L93 Difference]: Finished difference Result 59084 states and 170665 transitions. [2022-12-14 10:25:08,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:25:08,935 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 10:25:08,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:09,068 INFO L225 Difference]: With dead ends: 59084 [2022-12-14 10:25:09,069 INFO L226 Difference]: Without dead ends: 59084 [2022-12-14 10:25:09,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=234, Invalid=522, Unknown=0, NotChecked=0, Total=756 [2022-12-14 10:25:09,069 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 598 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 3272 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 3272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:09,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 106 Invalid, 3624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 3272 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 10:25:09,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59084 states. [2022-12-14 10:25:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59084 to 36248. [2022-12-14 10:25:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36248 states, 36227 states have (on average 2.9522731664228337) internal successors, (106952), 36247 states have internal predecessors, (106952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36248 states to 36248 states and 106952 transitions. [2022-12-14 10:25:09,839 INFO L78 Accepts]: Start accepts. Automaton has 36248 states and 106952 transitions. Word has length 21 [2022-12-14 10:25:09,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:09,839 INFO L495 AbstractCegarLoop]: Abstraction has 36248 states and 106952 transitions. [2022-12-14 10:25:09,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 36248 states and 106952 transitions. [2022-12-14 10:25:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:25:09,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:09,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:09,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-14 10:25:09,844 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:09,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:09,845 INFO L85 PathProgramCache]: Analyzing trace with hash 706142150, now seen corresponding path program 1 times [2022-12-14 10:25:09,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:09,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782677294] [2022-12-14 10:25:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:09,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:11,268 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 10:25:11,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:11,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782677294] [2022-12-14 10:25:11,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782677294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:11,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:11,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:25:11,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81426064] [2022-12-14 10:25:11,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:11,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:25:11,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:11,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:25:11,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:25:11,269 INFO L87 Difference]: Start difference. First operand 36248 states and 106952 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:15,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:15,748 INFO L93 Difference]: Finished difference Result 44652 states and 131195 transitions. [2022-12-14 10:25:15,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 10:25:15,749 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-12-14 10:25:15,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:15,842 INFO L225 Difference]: With dead ends: 44652 [2022-12-14 10:25:15,842 INFO L226 Difference]: Without dead ends: 44652 [2022-12-14 10:25:15,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=322, Invalid=608, Unknown=0, NotChecked=0, Total=930 [2022-12-14 10:25:15,843 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 634 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4334 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 4334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:15,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 112 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 4334 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 10:25:15,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44652 states. [2022-12-14 10:25:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44652 to 36198. [2022-12-14 10:25:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36198 states, 36177 states have (on average 2.9517925753932057) internal successors, (106787), 36197 states have internal predecessors, (106787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36198 states to 36198 states and 106787 transitions. [2022-12-14 10:25:16,501 INFO L78 Accepts]: Start accepts. Automaton has 36198 states and 106787 transitions. Word has length 22 [2022-12-14 10:25:16,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:16,501 INFO L495 AbstractCegarLoop]: Abstraction has 36198 states and 106787 transitions. [2022-12-14 10:25:16,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 36198 states and 106787 transitions. [2022-12-14 10:25:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:25:16,505 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:16,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:16,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-14 10:25:16,506 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:16,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:16,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1497204128, now seen corresponding path program 2 times [2022-12-14 10:25:16,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:16,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666530769] [2022-12-14 10:25:16,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:16,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:18,159 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 10:25:18,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:18,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666530769] [2022-12-14 10:25:18,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666530769] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:18,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:18,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:25:18,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960195136] [2022-12-14 10:25:18,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:18,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:25:18,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:18,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:25:18,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:25:18,160 INFO L87 Difference]: Start difference. First operand 36198 states and 106787 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:22,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:22,379 INFO L93 Difference]: Finished difference Result 46696 states and 137330 transitions. [2022-12-14 10:25:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:25:22,380 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-12-14 10:25:22,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:22,478 INFO L225 Difference]: With dead ends: 46696 [2022-12-14 10:25:22,478 INFO L226 Difference]: Without dead ends: 46696 [2022-12-14 10:25:22,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=330, Invalid=662, Unknown=0, NotChecked=0, Total=992 [2022-12-14 10:25:22,479 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 725 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:22,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 112 Invalid, 4071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 3672 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:25:22,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46696 states. [2022-12-14 10:25:23,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46696 to 36188. [2022-12-14 10:25:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36188 states, 36167 states have (on average 2.951696297729975) internal successors, (106754), 36187 states have internal predecessors, (106754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36188 states to 36188 states and 106754 transitions. [2022-12-14 10:25:23,159 INFO L78 Accepts]: Start accepts. Automaton has 36188 states and 106754 transitions. Word has length 22 [2022-12-14 10:25:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:23,159 INFO L495 AbstractCegarLoop]: Abstraction has 36188 states and 106754 transitions. [2022-12-14 10:25:23,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 36188 states and 106754 transitions. [2022-12-14 10:25:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:25:23,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:23,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:23,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-14 10:25:23,165 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:23,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:23,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1433799260, now seen corresponding path program 3 times [2022-12-14 10:25:23,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:23,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685270432] [2022-12-14 10:25:23,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:23,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:24,725 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 10:25:24,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:24,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685270432] [2022-12-14 10:25:24,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685270432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:24,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:24,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:25:24,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195021487] [2022-12-14 10:25:24,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:24,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:25:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:24,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:25:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:25:24,726 INFO L87 Difference]: Start difference. First operand 36188 states and 106754 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:27,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:27,632 INFO L93 Difference]: Finished difference Result 48422 states and 142121 transitions. [2022-12-14 10:25:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:25:27,633 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-12-14 10:25:27,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:27,735 INFO L225 Difference]: With dead ends: 48422 [2022-12-14 10:25:27,735 INFO L226 Difference]: Without dead ends: 48422 [2022-12-14 10:25:27,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:25:27,736 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 616 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:27,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 112 Invalid, 2872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 10:25:27,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48422 states. [2022-12-14 10:25:28,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48422 to 36178. [2022-12-14 10:25:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36178 states, 36157 states have (on average 2.951599966811406) internal successors, (106721), 36177 states have internal predecessors, (106721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36178 states to 36178 states and 106721 transitions. [2022-12-14 10:25:28,419 INFO L78 Accepts]: Start accepts. Automaton has 36178 states and 106721 transitions. Word has length 22 [2022-12-14 10:25:28,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:28,420 INFO L495 AbstractCegarLoop]: Abstraction has 36178 states and 106721 transitions. [2022-12-14 10:25:28,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 36178 states and 106721 transitions. [2022-12-14 10:25:28,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:25:28,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:28,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:28,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-14 10:25:28,424 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting whoop_wrapper_nvram_llseekErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:28,425 INFO L85 PathProgramCache]: Analyzing trace with hash 249549960, now seen corresponding path program 4 times [2022-12-14 10:25:28,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:28,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714705525] [2022-12-14 10:25:28,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:28,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:30,461 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 10:25:30,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:30,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714705525] [2022-12-14 10:25:30,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714705525] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:30,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:30,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 10:25:30,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918882862] [2022-12-14 10:25:30,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:30,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 10:25:30,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:30,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 10:25:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:25:30,463 INFO L87 Difference]: Start difference. First operand 36178 states and 106721 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:35,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:35,027 INFO L93 Difference]: Finished difference Result 55127 states and 159262 transitions. [2022-12-14 10:25:35,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:25:35,028 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-12-14 10:25:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:35,149 INFO L225 Difference]: With dead ends: 55127 [2022-12-14 10:25:35,149 INFO L226 Difference]: Without dead ends: 55127 [2022-12-14 10:25:35,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:25:35,149 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 768 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 4210 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 4562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 4210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:35,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 95 Invalid, 4562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 4210 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 10:25:35,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55127 states. [2022-12-14 10:25:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55127 to 23323. [2022-12-14 10:25:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23323 states, 23305 states have (on average 2.903368375885003) internal successors, (67663), 23322 states have internal predecessors, (67663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23323 states to 23323 states and 67663 transitions. [2022-12-14 10:25:35,738 INFO L78 Accepts]: Start accepts. Automaton has 23323 states and 67663 transitions. Word has length 22 [2022-12-14 10:25:35,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:35,739 INFO L495 AbstractCegarLoop]: Abstraction has 23323 states and 67663 transitions. [2022-12-14 10:25:35,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 23323 states and 67663 transitions. [2022-12-14 10:25:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:35,742 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:35,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:35,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-14 10:25:35,742 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:35,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:35,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1446237932, now seen corresponding path program 1 times [2022-12-14 10:25:35,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:35,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881758943] [2022-12-14 10:25:35,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:35,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:36,276 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 10:25:36,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:36,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881758943] [2022-12-14 10:25:36,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881758943] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:36,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:36,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:36,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582004272] [2022-12-14 10:25:36,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:36,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:36,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:36,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:36,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:36,277 INFO L87 Difference]: Start difference. First operand 23323 states and 67663 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:37,659 INFO L93 Difference]: Finished difference Result 23514 states and 68000 transitions. [2022-12-14 10:25:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:25:37,659 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:37,701 INFO L225 Difference]: With dead ends: 23514 [2022-12-14 10:25:37,701 INFO L226 Difference]: Without dead ends: 23410 [2022-12-14 10:25:37,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:25:37,701 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 260 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:37,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 156 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 10:25:37,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23410 states. [2022-12-14 10:25:37,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23410 to 23375. [2022-12-14 10:25:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23375 states, 23357 states have (on average 2.900672175364987) internal successors, (67751), 23374 states have internal predecessors, (67751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23375 states to 23375 states and 67751 transitions. [2022-12-14 10:25:38,067 INFO L78 Accepts]: Start accepts. Automaton has 23375 states and 67751 transitions. Word has length 23 [2022-12-14 10:25:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:38,067 INFO L495 AbstractCegarLoop]: Abstraction has 23375 states and 67751 transitions. [2022-12-14 10:25:38,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 23375 states and 67751 transitions. [2022-12-14 10:25:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:38,070 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:38,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:38,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-14 10:25:38,070 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:38,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:38,070 INFO L85 PathProgramCache]: Analyzing trace with hash -439838124, now seen corresponding path program 2 times [2022-12-14 10:25:38,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:38,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062182761] [2022-12-14 10:25:38,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:38,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:38,650 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 10:25:38,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:38,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062182761] [2022-12-14 10:25:38,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062182761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:38,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:38,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:38,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112491335] [2022-12-14 10:25:38,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:38,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:38,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:38,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:38,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:38,651 INFO L87 Difference]: Start difference. First operand 23375 states and 67751 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:40,430 INFO L93 Difference]: Finished difference Result 24035 states and 68917 transitions. [2022-12-14 10:25:40,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:25:40,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:40,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:40,505 INFO L225 Difference]: With dead ends: 24035 [2022-12-14 10:25:40,506 INFO L226 Difference]: Without dead ends: 23952 [2022-12-14 10:25:40,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:25:40,506 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 187 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:40,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 75 Invalid, 1889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 10:25:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23952 states. [2022-12-14 10:25:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23952 to 23375. [2022-12-14 10:25:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23375 states, 23357 states have (on average 2.900672175364987) internal successors, (67751), 23374 states have internal predecessors, (67751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23375 states to 23375 states and 67751 transitions. [2022-12-14 10:25:40,842 INFO L78 Accepts]: Start accepts. Automaton has 23375 states and 67751 transitions. Word has length 23 [2022-12-14 10:25:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:40,842 INFO L495 AbstractCegarLoop]: Abstraction has 23375 states and 67751 transitions. [2022-12-14 10:25:40,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 23375 states and 67751 transitions. [2022-12-14 10:25:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:40,845 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:40,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:40,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-12-14 10:25:40,845 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:40,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash -76886252, now seen corresponding path program 3 times [2022-12-14 10:25:40,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:40,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403579872] [2022-12-14 10:25:40,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:40,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:41,440 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 10:25:41,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:41,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403579872] [2022-12-14 10:25:41,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403579872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:41,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:41,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:41,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943967985] [2022-12-14 10:25:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:41,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:41,441 INFO L87 Difference]: Start difference. First operand 23375 states and 67751 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:43,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:43,129 INFO L93 Difference]: Finished difference Result 23797 states and 68497 transitions. [2022-12-14 10:25:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:25:43,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:43,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:43,170 INFO L225 Difference]: With dead ends: 23797 [2022-12-14 10:25:43,170 INFO L226 Difference]: Without dead ends: 23754 [2022-12-14 10:25:43,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-12-14 10:25:43,170 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:43,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 75 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 10:25:43,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23754 states. [2022-12-14 10:25:43,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23754 to 23373. [2022-12-14 10:25:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23373 states, 23355 states have (on average 2.9006636694497967) internal successors, (67745), 23372 states have internal predecessors, (67745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23373 states to 23373 states and 67745 transitions. [2022-12-14 10:25:43,540 INFO L78 Accepts]: Start accepts. Automaton has 23373 states and 67745 transitions. Word has length 23 [2022-12-14 10:25:43,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:43,540 INFO L495 AbstractCegarLoop]: Abstraction has 23373 states and 67745 transitions. [2022-12-14 10:25:43,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 23373 states and 67745 transitions. [2022-12-14 10:25:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:43,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:43,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:43,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-12-14 10:25:43,544 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1199360188, now seen corresponding path program 4 times [2022-12-14 10:25:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:43,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051875220] [2022-12-14 10:25:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:44,164 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 10:25:44,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:44,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051875220] [2022-12-14 10:25:44,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051875220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:44,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:44,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:44,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938997832] [2022-12-14 10:25:44,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:44,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:44,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:44,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:44,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:44,165 INFO L87 Difference]: Start difference. First operand 23373 states and 67745 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:46,419 INFO L93 Difference]: Finished difference Result 23930 states and 68709 transitions. [2022-12-14 10:25:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 10:25:46,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:46,489 INFO L225 Difference]: With dead ends: 23930 [2022-12-14 10:25:46,490 INFO L226 Difference]: Without dead ends: 23899 [2022-12-14 10:25:46,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:25:46,490 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 207 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:46,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 75 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:25:46,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23899 states. [2022-12-14 10:25:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23899 to 23374. [2022-12-14 10:25:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23374 states, 23356 states have (on average 2.9005822914882686) internal successors, (67746), 23373 states have internal predecessors, (67746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23374 states to 23374 states and 67746 transitions. [2022-12-14 10:25:46,835 INFO L78 Accepts]: Start accepts. Automaton has 23374 states and 67746 transitions. Word has length 23 [2022-12-14 10:25:46,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:46,835 INFO L495 AbstractCegarLoop]: Abstraction has 23374 states and 67746 transitions. [2022-12-14 10:25:46,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23374 states and 67746 transitions. [2022-12-14 10:25:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:46,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:46,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:46,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-12-14 10:25:46,839 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:46,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1227555928, now seen corresponding path program 5 times [2022-12-14 10:25:46,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:46,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056829555] [2022-12-14 10:25:46,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:47,615 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 10:25:47,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:47,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056829555] [2022-12-14 10:25:47,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056829555] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:47,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:47,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:47,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157310524] [2022-12-14 10:25:47,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:47,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:47,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:47,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:47,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:47,616 INFO L87 Difference]: Start difference. First operand 23374 states and 67746 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:49,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:49,237 INFO L93 Difference]: Finished difference Result 23855 states and 68599 transitions. [2022-12-14 10:25:49,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:25:49,238 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:49,279 INFO L225 Difference]: With dead ends: 23855 [2022-12-14 10:25:49,279 INFO L226 Difference]: Without dead ends: 23793 [2022-12-14 10:25:49,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:25:49,279 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 191 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:49,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 75 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 10:25:49,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23793 states. [2022-12-14 10:25:49,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23793 to 23373. [2022-12-14 10:25:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23373 states, 23355 states have (on average 2.9006636694497967) internal successors, (67745), 23372 states have internal predecessors, (67745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23373 states to 23373 states and 67745 transitions. [2022-12-14 10:25:49,644 INFO L78 Accepts]: Start accepts. Automaton has 23373 states and 67745 transitions. Word has length 23 [2022-12-14 10:25:49,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:49,644 INFO L495 AbstractCegarLoop]: Abstraction has 23373 states and 67745 transitions. [2022-12-14 10:25:49,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 23373 states and 67745 transitions. [2022-12-14 10:25:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:49,647 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:49,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:49,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-12-14 10:25:49,648 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:49,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:49,648 INFO L85 PathProgramCache]: Analyzing trace with hash -543306528, now seen corresponding path program 6 times [2022-12-14 10:25:49,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:49,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168650033] [2022-12-14 10:25:49,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:49,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:50,386 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 10:25:50,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:50,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168650033] [2022-12-14 10:25:50,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168650033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:50,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:50,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:50,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000831052] [2022-12-14 10:25:50,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:50,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:50,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:50,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:50,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:50,387 INFO L87 Difference]: Start difference. First operand 23373 states and 67745 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:51,911 INFO L93 Difference]: Finished difference Result 24242 states and 69280 transitions. [2022-12-14 10:25:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 10:25:51,912 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:51,955 INFO L225 Difference]: With dead ends: 24242 [2022-12-14 10:25:51,955 INFO L226 Difference]: Without dead ends: 24170 [2022-12-14 10:25:51,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-12-14 10:25:51,956 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 201 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:51,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 75 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 10:25:51,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24170 states. [2022-12-14 10:25:52,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24170 to 23375. [2022-12-14 10:25:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23375 states, 23357 states have (on average 2.9005865479299566) internal successors, (67749), 23374 states have internal predecessors, (67749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:52,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23375 states to 23375 states and 67749 transitions. [2022-12-14 10:25:52,324 INFO L78 Accepts]: Start accepts. Automaton has 23375 states and 67749 transitions. Word has length 23 [2022-12-14 10:25:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:52,325 INFO L495 AbstractCegarLoop]: Abstraction has 23375 states and 67749 transitions. [2022-12-14 10:25:52,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 23375 states and 67749 transitions. [2022-12-14 10:25:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:52,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:52,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:52,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-12-14 10:25:52,328 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:52,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1069309878, now seen corresponding path program 7 times [2022-12-14 10:25:52,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:52,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787066113] [2022-12-14 10:25:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:52,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:52,946 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 10:25:52,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:52,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787066113] [2022-12-14 10:25:52,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787066113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:52,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:52,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:52,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721891506] [2022-12-14 10:25:52,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:52,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:52,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:52,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:52,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:52,948 INFO L87 Difference]: Start difference. First operand 23375 states and 67749 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:54,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:54,827 INFO L93 Difference]: Finished difference Result 24084 states and 69004 transitions. [2022-12-14 10:25:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:25:54,827 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:54,869 INFO L225 Difference]: With dead ends: 24084 [2022-12-14 10:25:54,869 INFO L226 Difference]: Without dead ends: 24053 [2022-12-14 10:25:54,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-12-14 10:25:54,869 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:54,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 75 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 10:25:54,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24053 states. [2022-12-14 10:25:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24053 to 23376. [2022-12-14 10:25:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23376 states, 23358 states have (on average 2.900505180238034) internal successors, (67750), 23375 states have internal predecessors, (67750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23376 states to 23376 states and 67750 transitions. [2022-12-14 10:25:55,241 INFO L78 Accepts]: Start accepts. Automaton has 23376 states and 67750 transitions. Word has length 23 [2022-12-14 10:25:55,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:55,241 INFO L495 AbstractCegarLoop]: Abstraction has 23376 states and 67750 transitions. [2022-12-14 10:25:55,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23376 states and 67750 transitions. [2022-12-14 10:25:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:55,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:55,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:55,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-12-14 10:25:55,244 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:55,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1041114138, now seen corresponding path program 8 times [2022-12-14 10:25:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:55,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650105098] [2022-12-14 10:25:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:56,017 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 10:25:56,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:56,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650105098] [2022-12-14 10:25:56,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650105098] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:56,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:56,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:25:56,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826657293] [2022-12-14 10:25:56,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:56,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:25:56,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:56,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:25:56,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:25:56,018 INFO L87 Difference]: Start difference. First operand 23376 states and 67750 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:57,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:57,771 INFO L93 Difference]: Finished difference Result 24131 states and 69087 transitions. [2022-12-14 10:25:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:25:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 10:25:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:57,814 INFO L225 Difference]: With dead ends: 24131 [2022-12-14 10:25:57,814 INFO L226 Difference]: Without dead ends: 24080 [2022-12-14 10:25:57,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-12-14 10:25:57,814 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 202 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:57,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 75 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 10:25:57,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24080 states. [2022-12-14 10:25:58,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24080 to 23374. [2022-12-14 10:25:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23374 states, 23356 states have (on average 2.9006251070388767) internal successors, (67747), 23373 states have internal predecessors, (67747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23374 states to 23374 states and 67747 transitions. [2022-12-14 10:25:58,184 INFO L78 Accepts]: Start accepts. Automaton has 23374 states and 67747 transitions. Word has length 23 [2022-12-14 10:25:58,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:58,185 INFO L495 AbstractCegarLoop]: Abstraction has 23374 states and 67747 transitions. [2022-12-14 10:25:58,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:25:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 23374 states and 67747 transitions. [2022-12-14 10:25:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 10:25:58,188 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:58,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:58,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-12-14 10:25:58,188 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-12-14 10:25:58,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1791843816, now seen corresponding path program 9 times [2022-12-14 10:25:58,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:58,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322159486] [2022-12-14 10:25:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat