./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 07:04:09,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 07:04:09,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 07:04:09,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 07:04:09,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 07:04:09,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 07:04:09,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 07:04:09,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 07:04:09,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 07:04:09,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 07:04:09,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 07:04:09,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 07:04:09,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 07:04:09,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 07:04:09,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 07:04:09,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 07:04:09,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 07:04:09,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 07:04:09,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 07:04:09,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 07:04:09,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 07:04:09,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 07:04:09,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 07:04:09,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 07:04:09,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 07:04:09,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 07:04:09,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 07:04:09,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 07:04:09,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 07:04:09,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 07:04:09,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 07:04:09,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 07:04:09,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 07:04:09,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 07:04:09,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 07:04:09,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 07:04:09,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 07:04:09,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 07:04:09,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 07:04:09,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 07:04:09,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 07:04:09,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 07:04:09,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 07:04:09,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 07:04:09,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 07:04:09,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 07:04:09,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 07:04:09,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 07:04:09,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 07:04:09,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 07:04:09,320 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 07:04:09,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 07:04:09,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 07:04:09,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 07:04:09,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 07:04:09,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 07:04:09,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 07:04:09,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 07:04:09,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 07:04:09,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 07:04:09,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 07:04:09,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 07:04:09,323 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 07:04:09,324 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_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-12-13 07:04:09,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 07:04:09,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 07:04:09,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 07:04:09,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 07:04:09,511 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 07:04:09,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-13 07:04:12,146 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 07:04:12,475 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 07:04:12,476 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-13 07:04:12,501 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/data/7cd3cd78a/56e5c4bceab4466f97ce7a0545ac3c69/FLAG8baab6a13 [2022-12-13 07:04:12,512 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/data/7cd3cd78a/56e5c4bceab4466f97ce7a0545ac3c69 [2022-12-13 07:04:12,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 07:04:12,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 07:04:12,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 07:04:12,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 07:04:12,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 07:04:12,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:04:12" (1/1) ... [2022-12-13 07:04:12,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3024760e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:12, skipping insertion in model container [2022-12-13 07:04:12,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:04:12" (1/1) ... [2022-12-13 07:04:12,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 07:04:12,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 07:04:12,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-13 07:04:13,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:13,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:13,713 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 07:04:13,716 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:04:13,719 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:04:13,724 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:04:13,799 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:04:13,803 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:04:13,899 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 07:04:14,064 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:04:14,070 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:04:14,116 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 07:04:14,118 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 07:04:14,327 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 07:04:14,330 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 07:04:14,333 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 07:04:14,413 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 07:04:14,413 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:04:14,416 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 07:04:14,416 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:04:14,551 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 07:04:14,581 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 07:04:14,725 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 07:04:14,729 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 07:04:14,864 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 07:04:15,027 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 07:04:15,027 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 07:04:15,027 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 07:04:15,813 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 07:04:15,814 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:15,816 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:15,819 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:15,822 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:16,303 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 07:04:16,306 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 07:04:16,310 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 07:04:16,316 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 07:04:16,317 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 07:04:16,319 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 07:04:16,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 07:04:16,348 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 07:04:16,359 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_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-13 07:04:16,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:04:16,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:04:16,391 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 07:04:16,391 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:04:16,391 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:04:16,392 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:04:16,395 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:04:16,395 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:04:16,397 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 07:04:16,405 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:04:16,405 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:04:16,407 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 07:04:16,407 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 07:04:16,413 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 07:04:16,414 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 07:04:16,414 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 07:04:16,416 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 07:04:16,417 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:04:16,417 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 07:04:16,417 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:04:16,423 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 07:04:16,425 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 07:04:16,428 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 07:04:16,429 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 07:04:16,432 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 07:04:16,434 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 07:04:16,435 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 07:04:16,435 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 07:04:16,505 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 07:04:16,505 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:16,507 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:16,509 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:16,511 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:04:16,540 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 07:04:16,541 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 07:04:16,541 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 07:04:16,543 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 07:04:16,543 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 07:04:16,543 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 07:04:16,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 07:04:16,944 INFO L208 MainTranslator]: Completed translation [2022-12-13 07:04:16,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16 WrapperNode [2022-12-13 07:04:16,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 07:04:16,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 07:04:16,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 07:04:16,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 07:04:16,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,064 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 16, statements flattened = 282 [2022-12-13 07:04:17,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 07:04:17,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 07:04:17,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 07:04:17,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 07:04:17,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,098 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 07:04:17,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 07:04:17,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 07:04:17,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 07:04:17,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (1/1) ... [2022-12-13 07:04:17,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 07:04:17,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 07:04:17,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 07:04:17,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 07:04:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 07:04:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 07:04:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 07:04:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 07:04:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 07:04:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 07:04:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 07:04:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 07:04:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-13 07:04:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-13 07:04:17,170 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 07:04:17,467 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 07:04:17,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 07:04:17,749 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 07:04:17,768 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 07:04:17,768 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 07:04:17,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:04:17 BoogieIcfgContainer [2022-12-13 07:04:17,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 07:04:17,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 07:04:17,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 07:04:17,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 07:04:17,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:04:12" (1/3) ... [2022-12-13 07:04:17,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce9ba9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:04:17, skipping insertion in model container [2022-12-13 07:04:17,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:04:16" (2/3) ... [2022-12-13 07:04:17,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce9ba9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:04:17, skipping insertion in model container [2022-12-13 07:04:17,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:04:17" (3/3) ... [2022-12-13 07:04:17,775 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-13 07:04:17,781 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 07:04:17,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 07:04:17,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 07:04:17,789 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 07:04:17,840 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 07:04:17,875 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:04:17,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 07:04:17,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 07:04:17,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 07:04:17,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 07:04:17,903 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 07:04:17,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 07:04:17,923 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=PARTIAL_ORDER_FA, 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;@1cb5e92e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:04:17,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 07:04:25,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-12-13 07:04:25,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 07:04:25,842 INFO L445 BasicCegarLoop]: Path program histogram: [] [2022-12-13 07:04:25,844 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2) [2022-12-13 07:04:25,851 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:04:25,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 07:04:25,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 07:04:25,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 07:04:25,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-12-13 07:04:25,892 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 07:04:25,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_nvram_llseekThread1of1ForFork1 ======== [2022-12-13 07:04:25,894 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=PARTIAL_ORDER_FA, 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;@1cb5e92e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:04:25,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 07:04:30,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:04:30,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:04:30,296 INFO L85 PathProgramCache]: Analyzing trace with hash 602872078, now seen corresponding path program 1 times [2022-12-13 07:04:30,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:04:30,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975951507] [2022-12-13 07:04:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:04:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:04:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:04:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:04:30,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:04:30,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975951507] [2022-12-13 07:04:30,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975951507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:04:30,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:04:30,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 07:04:30,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075947437] [2022-12-13 07:04:30,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:04:30,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 07:04:30,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:04:30,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 07:04:30,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 07:04:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:30,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:04:30,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 07:04:30,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:30,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 07:04:30,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:04:30,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:04:30,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1137474545, now seen corresponding path program 1 times [2022-12-13 07:04:30,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:04:30,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098664166] [2022-12-13 07:04:30,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:04:30,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:04:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:04:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:04:31,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:04:31,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098664166] [2022-12-13 07:04:31,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098664166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:04:31,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:04:31,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 07:04:31,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019899748] [2022-12-13 07:04:31,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:04:31,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 07:04:31,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:04:31,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 07:04:31,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 07:04:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:31,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:04:31,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.833333333333336) internal successors, (251), 6 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 07:04:31,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:31,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:34,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:34,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:34,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 07:04:34,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:04:34,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:04:34,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1257618479, now seen corresponding path program 1 times [2022-12-13 07:04:34,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:04:34,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989975945] [2022-12-13 07:04:34,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:04:34,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:04:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:04:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:04:36,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:04:36,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989975945] [2022-12-13 07:04:36,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989975945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:04:36,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:04:36,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 07:04:36,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206686385] [2022-12-13 07:04:36,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:04:36,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 07:04:36,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:04:36,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 07:04:36,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-13 07:04:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:36,076 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:04:36,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.357142857142858) internal successors, (243), 14 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 07:04:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 07:04:42,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 07:04:42,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:04:42,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:04:42,307 INFO L85 PathProgramCache]: Analyzing trace with hash -664251779, now seen corresponding path program 1 times [2022-12-13 07:04:42,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:04:42,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629713074] [2022-12-13 07:04:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:04:42,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:04:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:04:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:04:43,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:04:43,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629713074] [2022-12-13 07:04:43,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629713074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:04:43,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:04:43,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 07:04:43,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157274060] [2022-12-13 07:04:43,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:04:43,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 07:04:43,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:04:43,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 07:04:43,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-13 07:04:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:43,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:04:43,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 07:04:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-12-13 07:04:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 07:04:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 07:04:48,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 07:04:48,010 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:04:48,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:04:48,011 INFO L85 PathProgramCache]: Analyzing trace with hash -54927441, now seen corresponding path program 2 times [2022-12-13 07:04:48,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:04:48,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885900203] [2022-12-13 07:04:48,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:04:48,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:04:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:04:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:04:49,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:04:49,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885900203] [2022-12-13 07:04:49,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885900203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:04:49,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:04:49,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-13 07:04:49,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334602435] [2022-12-13 07:04:49,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:04:49,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 07:04:49,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:04:49,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 07:04:49,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-12-13 07:04:49,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:49,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:04:49,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 07:04:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-12-13 07:04:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-12-13 07:04:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:04:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 07:04:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-13 07:04:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 07:04:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 07:04:57,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 07:04:57,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 07:04:57,765 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-13 07:04:57,765 INFO L307 ceAbstractionStarter]: Result for error location whoop_wrapper_nvram_llseekThread1of1ForFork1 was SAFE (2/2) [2022-12-13 07:04:57,765 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 07:04:57,766 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 07:04:57,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:04:57 BasicIcfg [2022-12-13 07:04:57,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 07:04:57,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 07:04:57,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 07:04:57,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 07:04:57,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:04:17" (3/4) ... [2022-12-13 07:04:57,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 07:04:57,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_llseek [2022-12-13 07:04:57,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 07:04:57,779 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-12-13 07:04:57,779 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 07:04:57,779 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 07:04:57,779 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 07:04:57,780 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 07:04:57,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 07:04:57,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 07:04:57,811 INFO L158 Benchmark]: Toolchain (without parser) took 45295.73ms. Allocated memory was 134.2MB in the beginning and 260.0MB in the end (delta: 125.8MB). Free memory was 86.6MB in the beginning and 134.2MB in the end (delta: -47.6MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,811 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 07:04:57,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4429.07ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 86.6MB in the beginning and 77.8MB in the end (delta: 8.8MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.69ms. Allocated memory is still 161.5MB. Free memory was 77.8MB in the beginning and 68.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,812 INFO L158 Benchmark]: Boogie Preprocessor took 41.91ms. Allocated memory is still 161.5MB. Free memory was 68.3MB in the beginning and 64.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,812 INFO L158 Benchmark]: RCFGBuilder took 661.89ms. Allocated memory is still 161.5MB. Free memory was 64.1MB in the beginning and 75.3MB in the end (delta: -11.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,812 INFO L158 Benchmark]: TraceAbstraction took 39996.98ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 75.3MB in the beginning and 138.4MB in the end (delta: -63.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,813 INFO L158 Benchmark]: Witness Printer took 41.65ms. Allocated memory is still 260.0MB. Free memory was 138.4MB in the beginning and 134.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 07:04:57,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4429.07ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 86.6MB in the beginning and 77.8MB in the end (delta: 8.8MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.69ms. Allocated memory is still 161.5MB. Free memory was 77.8MB in the beginning and 68.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.91ms. Allocated memory is still 161.5MB. Free memory was 68.3MB in the beginning and 64.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 661.89ms. Allocated memory is still 161.5MB. Free memory was 64.1MB in the beginning and 75.3MB in the end (delta: -11.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 39996.98ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 75.3MB in the beginning and 138.4MB in the end (delta: -63.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 41.65ms. Allocated memory is still 260.0MB. Free memory was 138.4MB in the beginning and 134.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4295, independent: 4276, independent conditional: 253, independent unconditional: 4023, dependent: 10, dependent conditional: 7, dependent unconditional: 3, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 253, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 253, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 0, independent unconditional: 4276, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 0, independent unconditional: 4276, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 0, independent unconditional: 4276, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4033, independent: 4023, independent conditional: 0, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4033, independent: 4022, independent conditional: 0, independent unconditional: 4022, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7695, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 7581, unknown conditional: 0, unknown unconditional: 7581] , Protected Queries: 0 ], Cache Queries: [ total: 4288, independent: 253, independent conditional: 0, independent unconditional: 253, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4035, unknown conditional: 0, unknown unconditional: 4035] , Statistics on independence cache: Total cache size (in pairs): 4026, Positive cache size: 4023, Positive conditional cache size: 0, Positive unconditional cache size: 4023, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 7, Unknown conditional cache size: 0, Unknown unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 7 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 7.8s, Number of persistent set computation: 492, Number of trivial persistent sets: 492, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4033, independent: 4023, independent conditional: 0, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4295, independent: 4276, independent conditional: 253, independent unconditional: 4023, dependent: 10, dependent conditional: 7, dependent unconditional: 3, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 253, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 253, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 0, independent unconditional: 4276, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 0, independent unconditional: 4276, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4288, independent: 4276, independent conditional: 0, independent unconditional: 4276, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4033, independent: 4023, independent conditional: 0, independent unconditional: 4023, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4033, independent: 4022, independent conditional: 0, independent unconditional: 4022, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7695, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 7581, unknown conditional: 0, unknown unconditional: 7581] , Protected Queries: 0 ], Cache Queries: [ total: 4288, independent: 253, independent conditional: 0, independent unconditional: 253, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4035, unknown conditional: 0, unknown unconditional: 4035] , Statistics on independence cache: Total cache size (in pairs): 4026, Positive cache size: 4023, Positive conditional cache size: 0, Positive unconditional cache size: 4023, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 7, Unknown conditional cache size: 0, Unknown unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 7 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24161, independent: 23270, independent conditional: 16609, independent unconditional: 6661, dependent: 864, dependent conditional: 844, dependent unconditional: 20, unknown: 27, unknown conditional: 18, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23464, independent: 23270, independent conditional: 16609, independent unconditional: 6661, dependent: 167, dependent conditional: 147, dependent unconditional: 20, unknown: 27, unknown conditional: 18, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23464, independent: 23270, independent conditional: 16609, independent unconditional: 6661, dependent: 167, dependent conditional: 147, dependent unconditional: 20, unknown: 27, unknown conditional: 18, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23844, independent: 23270, independent conditional: 24, independent unconditional: 23246, dependent: 511, dependent conditional: 321, dependent unconditional: 190, unknown: 63, unknown conditional: 35, unknown unconditional: 28] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23844, independent: 23270, independent conditional: 24, independent unconditional: 23246, dependent: 511, dependent conditional: 186, dependent unconditional: 325, unknown: 63, unknown conditional: 24, unknown unconditional: 39] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23844, independent: 23270, independent conditional: 24, independent unconditional: 23246, dependent: 511, dependent conditional: 186, dependent unconditional: 325, unknown: 63, unknown conditional: 24, unknown unconditional: 39] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6738, independent: 6671, independent conditional: 10, independent unconditional: 6661, dependent: 45, dependent conditional: 25, dependent unconditional: 20, unknown: 22, unknown conditional: 13, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6738, independent: 6660, independent conditional: 0, independent unconditional: 6660, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 78, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 45, dependent conditional: 25, dependent unconditional: 20, unknown: 22, unknown conditional: 13, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 45, dependent conditional: 25, dependent unconditional: 20, unknown: 22, unknown conditional: 13, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24692, independent: 754, independent conditional: 734, independent unconditional: 20, dependent: 454, dependent conditional: 200, dependent unconditional: 253, unknown: 23484, unknown conditional: 13862, unknown unconditional: 9623] , Protected Queries: 0 ], Cache Queries: [ total: 23844, independent: 16599, independent conditional: 14, independent unconditional: 16585, dependent: 466, dependent conditional: 161, dependent unconditional: 305, unknown: 6779, unknown conditional: 59, unknown unconditional: 6720] , Statistics on independence cache: Total cache size (in pairs): 6716, Positive cache size: 6671, Positive conditional cache size: 10, Positive unconditional cache size: 6661, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Unknown cache size: 22, Unknown conditional cache size: 13, Unknown unconditional cache size: 9, Eliminated conditions: 146, Maximal queried relation: 4, Independence queries for same thread: 697 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 10.0s, Number of persistent set computation: 2536, Number of trivial persistent sets: 764, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6690, independent: 6661, independent conditional: 0, independent unconditional: 6661, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24161, independent: 23270, independent conditional: 16609, independent unconditional: 6661, dependent: 864, dependent conditional: 844, dependent unconditional: 20, unknown: 27, unknown conditional: 18, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23464, independent: 23270, independent conditional: 16609, independent unconditional: 6661, dependent: 167, dependent conditional: 147, dependent unconditional: 20, unknown: 27, unknown conditional: 18, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23464, independent: 23270, independent conditional: 16609, independent unconditional: 6661, dependent: 167, dependent conditional: 147, dependent unconditional: 20, unknown: 27, unknown conditional: 18, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23844, independent: 23270, independent conditional: 24, independent unconditional: 23246, dependent: 511, dependent conditional: 321, dependent unconditional: 190, unknown: 63, unknown conditional: 35, unknown unconditional: 28] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23844, independent: 23270, independent conditional: 24, independent unconditional: 23246, dependent: 511, dependent conditional: 186, dependent unconditional: 325, unknown: 63, unknown conditional: 24, unknown unconditional: 39] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23844, independent: 23270, independent conditional: 24, independent unconditional: 23246, dependent: 511, dependent conditional: 186, dependent unconditional: 325, unknown: 63, unknown conditional: 24, unknown unconditional: 39] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6738, independent: 6671, independent conditional: 10, independent unconditional: 6661, dependent: 45, dependent conditional: 25, dependent unconditional: 20, unknown: 22, unknown conditional: 13, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6738, independent: 6660, independent conditional: 0, independent unconditional: 6660, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 78, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 45, dependent conditional: 25, dependent unconditional: 20, unknown: 22, unknown conditional: 13, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 45, dependent conditional: 25, dependent unconditional: 20, unknown: 22, unknown conditional: 13, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24692, independent: 754, independent conditional: 734, independent unconditional: 20, dependent: 454, dependent conditional: 200, dependent unconditional: 253, unknown: 23484, unknown conditional: 13862, unknown unconditional: 9623] , Protected Queries: 0 ], Cache Queries: [ total: 23844, independent: 16599, independent conditional: 14, independent unconditional: 16585, dependent: 466, dependent conditional: 161, dependent unconditional: 305, unknown: 6779, unknown conditional: 59, unknown unconditional: 6720] , Statistics on independence cache: Total cache size (in pairs): 6716, Positive cache size: 6671, Positive conditional cache size: 10, Positive unconditional cache size: 6661, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Unknown cache size: 22, Unknown conditional cache size: 13, Unknown unconditional cache size: 9, Eliminated conditions: 146, Maximal queried relation: 4, Independence queries for same thread: 697 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 412 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 7.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_nvram_llseekThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 412 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 27.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1208 NumberOfCodeBlocks, 1208 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1203 ConstructedInterpolants, 0 QuantifiedInterpolants, 4645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 07:04:57,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 07:04:58,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-12-13 07:04:58,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71e0adb-acc8-44a7-97b2-a44015fdb1d1/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE