./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/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_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/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_9061891e-c03d-4e6a-80e8-f0633c507afb/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- 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 07:00:57,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 07:00:57,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 07:00:57,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 07:00:57,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 07:00:57,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 07:00:57,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 07:00:57,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 07:00:57,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 07:00:57,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 07:00:57,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 07:00:57,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 07:00:57,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 07:00:57,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 07:00:57,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 07:00:57,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 07:00:57,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 07:00:57,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 07:00:57,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 07:00:57,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 07:00:57,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 07:00:57,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 07:00:57,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 07:00:57,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 07:00:57,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 07:00:57,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 07:00:57,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 07:00:57,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 07:00:57,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 07:00:57,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 07:00:57,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 07:00:57,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 07:00:57,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 07:00:57,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 07:00:57,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 07:00:57,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 07:00:57,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 07:00:57,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 07:00:57,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 07:00:57,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 07:00:57,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 07:00:57,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 07:00:57,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 07:00:57,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 07:00:57,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 07:00:57,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 07:00:57,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 07:00:57,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 07:00:57,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 07:00:57,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 07:00:57,293 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 07:00:57,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 07:00:57,294 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 07:00:57,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 07:00:57,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 07:00:57,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 07:00:57,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 07:00:57,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 07:00:57,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 07:00:57,295 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 07:00:57,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 07:00:57,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 07:00:57,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 07:00:57,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 07:00:57,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 07:00:57,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 07:00:57,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 07:00:57,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 07:00:57,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 07:00:57,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 07:00:57,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 07:00:57,297 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 07:00:57,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 07:00:57,297 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 07:00:57,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 07:00:57,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 07:00:57,298 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 07:00:57,298 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 07:00:57,298 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_9061891e-c03d-4e6a-80e8-f0633c507afb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-12-13 07:00:57,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 07:00:57,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 07:00:57,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 07:00:57,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 07:00:57,516 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 07:00:57,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-13 07:01:00,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 07:01:00,516 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 07:01:00,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-13 07:01:00,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/data/aa06327e4/5f9fdc2254dc4d079f8f97b6e565b4a5/FLAG858132843 [2022-12-13 07:01:00,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/data/aa06327e4/5f9fdc2254dc4d079f8f97b6e565b4a5 [2022-12-13 07:01:00,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 07:01:00,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 07:01:00,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 07:01:00,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 07:01:00,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 07:01:00,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:01:00" (1/1) ... [2022-12-13 07:01:00,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76001ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:00, skipping insertion in model container [2022-12-13 07:01:00,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:01:00" (1/1) ... [2022-12-13 07:01:00,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 07:01:00,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 07:01:00,928 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_9061891e-c03d-4e6a-80e8-f0633c507afb/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-13 07:01:01,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,377 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,382 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:01,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:01,874 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 07:01:01,878 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:01:01,881 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:01:01,888 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:01:01,984 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:01:01,989 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:01:02,101 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 07:01:02,275 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:01:02,281 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:01:02,331 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 07:01:02,334 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 07:01:02,558 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 07:01:02,560 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 07:01:02,562 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 07:01:02,637 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 07:01:02,638 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:01:02,640 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 07:01:02,640 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:01:02,772 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 07:01:02,802 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 07:01:02,954 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 07:01:02,957 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 07:01:03,099 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 07:01:03,256 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 07:01:03,256 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 07:01:03,257 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 07:01:04,135 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 07:01:04,136 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,139 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,141 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,144 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,682 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 07:01:04,688 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 07:01:04,693 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 07:01:04,702 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 07:01:04,702 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 07:01:04,705 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 07:01:04,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 07:01:04,741 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 07:01:04,753 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_9061891e-c03d-4e6a-80e8-f0633c507afb/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-13 07:01:04,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 07:01:04,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 07:01:04,785 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 07:01:04,786 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:01:04,786 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:01:04,787 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 07:01:04,790 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:01:04,791 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 07:01:04,793 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 07:01:04,802 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:01:04,803 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 07:01:04,805 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 07:01:04,806 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 07:01:04,817 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 07:01:04,817 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 07:01:04,818 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 07:01:04,822 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 07:01:04,822 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:01:04,822 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 07:01:04,823 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 07:01:04,832 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 07:01:04,835 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 07:01:04,840 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 07:01:04,840 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 07:01:04,845 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 07:01:04,848 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 07:01:04,849 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 07:01:04,849 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 07:01:04,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 07:01:04,943 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,945 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,950 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,953 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 07:01:04,991 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 07:01:04,992 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 07:01:04,993 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 07:01:04,995 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 07:01:04,995 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 07:01:04,996 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 07:01:05,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 07:01:05,410 INFO L208 MainTranslator]: Completed translation [2022-12-13 07:01:05,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05 WrapperNode [2022-12-13 07:01:05,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 07:01:05,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 07:01:05,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 07:01:05,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 07:01:05,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,521 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-13 07:01:05,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 07:01:05,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 07:01:05,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 07:01:05,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 07:01:05,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 07:01:05,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 07:01:05,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 07:01:05,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 07:01:05,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (1/1) ... [2022-12-13 07:01:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 07:01:05,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 07:01:05,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 07:01:05,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 07:01:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 07:01:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 07:01:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 07:01:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 07:01:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 07:01:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 07:01:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-13 07:01:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-13 07:01:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 07:01:05,635 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 07:01:05,954 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 07:01:05,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 07:01:06,290 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 07:01:06,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 07:01:06,314 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 07:01:06,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:01:06 BoogieIcfgContainer [2022-12-13 07:01:06,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 07:01:06,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 07:01:06,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 07:01:06,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 07:01:06,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:01:00" (1/3) ... [2022-12-13 07:01:06,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a20662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:01:06, skipping insertion in model container [2022-12-13 07:01:06,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:01:05" (2/3) ... [2022-12-13 07:01:06,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a20662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:01:06, skipping insertion in model container [2022-12-13 07:01:06,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:01:06" (3/3) ... [2022-12-13 07:01:06,322 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-13 07:01:06,328 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 07:01:06,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 07:01:06,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 07:01:06,335 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 07:01:06,407 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 07:01:06,451 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:01:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 07:01:06,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 07:01:06,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 07:01:06,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 07:01:06,482 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 07:01:06,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 07:01:06,502 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;@613b3095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:01:06,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 07:01:11,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-12-13 07:01:11,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 07:01:11,063 INFO L445 BasicCegarLoop]: Path program histogram: [] [2022-12-13 07:01:11,065 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2) [2022-12-13 07:01:11,070 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:01:11,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 07:01:11,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 07:01:11,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 07:01:11,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-12-13 07:01:11,097 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 07:01:11,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_write_nvramThread1of1ForFork1 ======== [2022-12-13 07:01:11,098 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;@613b3095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 07:01:11,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 07:01:15,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:15,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:15,495 INFO L85 PathProgramCache]: Analyzing trace with hash 698969325, now seen corresponding path program 1 times [2022-12-13 07:01:15,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:15,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64510285] [2022-12-13 07:01:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:15,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:15,920 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 07:01:15,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:15,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64510285] [2022-12-13 07:01:15,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64510285] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:15,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:15,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 07:01:15,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426310890] [2022-12-13 07:01:15,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:15,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 07:01:15,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:15,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 07:01:15,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 07:01:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:15,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:15,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 0 states have call successors, (0), 0 states 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 07:01:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:15,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 07:01:15,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:15,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:15,986 INFO L85 PathProgramCache]: Analyzing trace with hash 871451430, now seen corresponding path program 1 times [2022-12-13 07:01:15,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:15,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661670168] [2022-12-13 07:01:15,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:01:16,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:16,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661670168] [2022-12-13 07:01:16,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661670168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:16,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:16,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 07:01:16,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451245223] [2022-12-13 07:01:16,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:16,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 07:01:16,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:16,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 07:01:16,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 07:01:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:16,647 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:16,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.166666666666664) internal successors, (277), 6 states have internal predecessors, (277), 0 states have call successors, (0), 0 states 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 07:01:16,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:16,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:17,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 07:01:17,976 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:17,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:17,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1816471834, now seen corresponding path program 1 times [2022-12-13 07:01:17,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:17,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744473932] [2022-12-13 07:01:17,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:17,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 07:01:19,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:19,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744473932] [2022-12-13 07:01:19,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744473932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:19,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:19,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-13 07:01:19,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176823276] [2022-12-13 07:01:19,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:19,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 07:01:19,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:19,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 07:01:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 07:01:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:19,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:19,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 18.058823529411764) internal successors, (307), 17 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 07:01:19,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:19,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:19,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 07:01:24,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 07:01:24,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:24,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1457064934, now seen corresponding path program 2 times [2022-12-13 07:01:24,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:24,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606999267] [2022-12-13 07:01:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:24,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 07:01:24,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:24,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606999267] [2022-12-13 07:01:24,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606999267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:24,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:24,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 07:01:24,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382038331] [2022-12-13 07:01:24,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:24,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 07:01:24,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 07:01:24,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 07:01:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:24,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:24,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 07:01:24,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:24,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:24,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 07:01:24,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 07:01:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:24,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 07:01:24,938 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:24,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:24,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1586353612, now seen corresponding path program 2 times [2022-12-13 07:01:24,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:24,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803664365] [2022-12-13 07:01:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:26,848 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 07:01:26,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:26,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803664365] [2022-12-13 07:01:26,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803664365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:26,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:26,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-13 07:01:26,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673360681] [2022-12-13 07:01:26,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:26,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 07:01:26,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:26,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 07:01:26,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-12-13 07:01:26,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:26,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:26,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.294117647058822) internal successors, (277), 17 states have internal predecessors, (277), 0 states have call successors, (0), 0 states 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 07:01:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 07:01:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 07:01:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:33,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 07:01:33,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 07:01:33,760 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:33,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:33,761 INFO L85 PathProgramCache]: Analyzing trace with hash -944431412, now seen corresponding path program 3 times [2022-12-13 07:01:33,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:33,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092641569] [2022-12-13 07:01:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:33,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:36,557 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 07:01:36,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:36,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092641569] [2022-12-13 07:01:36,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092641569] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:36,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:36,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-12-13 07:01:36,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968246955] [2022-12-13 07:01:36,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:36,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 07:01:36,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:36,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 07:01:36,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-12-13 07:01:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:36,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:36,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 11.08) internal successors, (277), 25 states have internal predecessors, (277), 0 states have call successors, (0), 0 states 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 07:01:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:36,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 07:01:36,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:36,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 07:01:36,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 07:01:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 07:01:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 07:01:41,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 07:01:41,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 07:01:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 07:01:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1638918441, now seen corresponding path program 1 times [2022-12-13 07:01:41,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 07:01:41,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751111492] [2022-12-13 07:01:41,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 07:01:41,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 07:01:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 07:01:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 07:01:42,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 07:01:42,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751111492] [2022-12-13 07:01:42,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751111492] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 07:01:42,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 07:01:42,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-12-13 07:01:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300784247] [2022-12-13 07:01:42,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 07:01:42,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 07:01:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 07:01:42,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 07:01:42,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2022-12-13 07:01:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:42,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 07:01:42,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 17.77777777777778) internal successors, (320), 18 states have internal predecessors, (320), 0 states have call successors, (0), 0 states 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 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 07:01:42,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:01:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 07:01:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 07:01:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 07:01:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 07:01:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 07:01:46,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 07:01:46,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 07:01:46,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 07:01:46,038 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-12-13 07:01:46,038 INFO L307 ceAbstractionStarter]: Result for error location whoop_wrapper_write_nvramThread1of1ForFork1 was SAFE (2/2) [2022-12-13 07:01:46,039 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 07:01:46,039 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 07:01:46,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:01:46 BasicIcfg [2022-12-13 07:01:46,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 07:01:46,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 07:01:46,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 07:01:46,041 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 07:01:46,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:01:06" (3/4) ... [2022-12-13 07:01:46,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 07:01:46,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2022-12-13 07:01:46,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 07:01:46,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-12-13 07:01:46,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 07:01:46,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 07:01:46,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 07:01:46,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 07:01:46,082 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 07:01:46,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 07:01:46,083 INFO L158 Benchmark]: Toolchain (without parser) took 45525.80ms. Allocated memory was 130.0MB in the beginning and 474.0MB in the end (delta: 343.9MB). Free memory was 86.4MB in the beginning and 350.4MB in the end (delta: -264.0MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,083 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 07:01:46,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4853.14ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 86.4MB in the beginning and 59.1MB in the end (delta: 27.3MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.29ms. Allocated memory is still 157.3MB. Free memory was 59.1MB in the beginning and 49.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,084 INFO L158 Benchmark]: Boogie Preprocessor took 46.21ms. Allocated memory is still 157.3MB. Free memory was 49.7MB in the beginning and 45.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,084 INFO L158 Benchmark]: RCFGBuilder took 747.60ms. Allocated memory is still 157.3MB. Free memory was 45.5MB in the beginning and 57.0MB in the end (delta: -11.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,084 INFO L158 Benchmark]: TraceAbstraction took 39723.31ms. Allocated memory was 157.3MB in the beginning and 474.0MB in the end (delta: 316.7MB). Free memory was 57.0MB in the beginning and 354.6MB in the end (delta: -297.6MB). Peak memory consumption was 270.4MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,085 INFO L158 Benchmark]: Witness Printer took 40.77ms. Allocated memory is still 474.0MB. Free memory was 354.6MB in the beginning and 350.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 07:01:46,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4853.14ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 86.4MB in the beginning and 59.1MB in the end (delta: 27.3MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.29ms. Allocated memory is still 157.3MB. Free memory was 59.1MB in the beginning and 49.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.21ms. Allocated memory is still 157.3MB. Free memory was 49.7MB in the beginning and 45.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 747.60ms. Allocated memory is still 157.3MB. Free memory was 45.5MB in the beginning and 57.0MB in the end (delta: -11.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 39723.31ms. Allocated memory was 157.3MB in the beginning and 474.0MB in the end (delta: 316.7MB). Free memory was 57.0MB in the beginning and 354.6MB in the end (delta: -297.6MB). Peak memory consumption was 270.4MB. Max. memory is 16.1GB. * Witness Printer took 40.77ms. Allocated memory is still 474.0MB. Free memory was 354.6MB in the beginning and 350.4MB 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: 6542, independent: 6496, independent conditional: 286, independent unconditional: 6210, dependent: 41, dependent conditional: 31, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 286, independent unconditional: 6210, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 286, independent unconditional: 6210, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 0, independent unconditional: 6496, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 0, independent unconditional: 6496, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 0, independent unconditional: 6496, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6194, independent: 6180, independent conditional: 0, independent unconditional: 6180, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6194, independent: 6179, independent conditional: 0, independent unconditional: 6179, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4326, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 4233, unknown conditional: 0, unknown unconditional: 4233] , Protected Queries: 0 ], Cache Queries: [ total: 6514, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 6195, unknown conditional: 0, unknown unconditional: 6195] , Statistics on independence cache: Total cache size (in pairs): 6190, Positive cache size: 6180, Positive conditional cache size: 0, Positive unconditional cache size: 6180, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 28 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.4s, Number of persistent set computation: 509, Number of trivial persistent sets: 500, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6224, independent: 6210, independent conditional: 0, independent unconditional: 6210, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6542, independent: 6496, independent conditional: 286, independent unconditional: 6210, dependent: 41, dependent conditional: 31, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 286, independent unconditional: 6210, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 286, independent unconditional: 6210, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 0, independent unconditional: 6496, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 0, independent unconditional: 6496, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6514, independent: 6496, independent conditional: 0, independent unconditional: 6496, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6194, independent: 6180, independent conditional: 0, independent unconditional: 6180, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6194, independent: 6179, independent conditional: 0, independent unconditional: 6179, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4326, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 4233, unknown conditional: 0, unknown unconditional: 4233] , Protected Queries: 0 ], Cache Queries: [ total: 6514, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 6195, unknown conditional: 0, unknown unconditional: 6195] , Statistics on independence cache: Total cache size (in pairs): 6190, Positive cache size: 6180, Positive conditional cache size: 0, Positive unconditional cache size: 6180, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 28 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 74506, independent: 68262, independent conditional: 56514, independent unconditional: 11748, dependent: 6190, dependent conditional: 6161, dependent unconditional: 29, unknown: 54, unknown conditional: 47, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68637, independent: 68262, independent conditional: 56514, independent unconditional: 11748, dependent: 321, dependent conditional: 292, dependent unconditional: 29, unknown: 54, unknown conditional: 47, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 68637, independent: 68262, independent conditional: 56514, independent unconditional: 11748, dependent: 321, dependent conditional: 292, dependent unconditional: 29, unknown: 54, unknown conditional: 47, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70198, independent: 68262, independent conditional: 104, independent unconditional: 68158, dependent: 1714, dependent conditional: 1292, dependent unconditional: 422, unknown: 222, unknown conditional: 165, unknown unconditional: 57] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70198, independent: 68262, independent conditional: 104, independent unconditional: 68158, dependent: 1714, dependent conditional: 931, dependent unconditional: 783, unknown: 222, unknown conditional: 120, unknown unconditional: 102] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70198, independent: 68262, independent conditional: 104, independent unconditional: 68158, dependent: 1714, dependent conditional: 931, dependent unconditional: 783, unknown: 222, unknown conditional: 120, unknown unconditional: 102] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10069, independent: 9965, independent conditional: 17, independent unconditional: 9948, dependent: 87, dependent conditional: 58, dependent unconditional: 29, unknown: 17, unknown conditional: 10, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10069, independent: 9947, independent conditional: 0, independent unconditional: 9947, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 87, dependent conditional: 58, dependent unconditional: 29, unknown: 17, unknown conditional: 10, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 87, dependent conditional: 58, dependent unconditional: 29, unknown: 17, unknown conditional: 10, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18957, independent: 252, independent conditional: 229, independent unconditional: 23, dependent: 509, dependent conditional: 324, dependent unconditional: 185, unknown: 18196, unknown conditional: 10777, unknown unconditional: 7419] , Protected Queries: 0 ], Cache Queries: [ total: 70198, independent: 58297, independent conditional: 87, independent unconditional: 58210, dependent: 1627, dependent conditional: 873, dependent unconditional: 754, unknown: 10274, unknown conditional: 195, unknown unconditional: 10079] , Statistics on independence cache: Total cache size (in pairs): 10052, Positive cache size: 9965, Positive conditional cache size: 17, Positive unconditional cache size: 9948, Negative cache size: 87, Negative conditional cache size: 58, Negative unconditional cache size: 29, Unknown cache size: 17, Unknown conditional cache size: 10, Unknown unconditional cache size: 7, Eliminated conditions: 406, Maximal queried relation: 6, Independence queries for same thread: 5869 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 7.9s, Number of persistent set computation: 8042, Number of trivial persistent sets: 7913, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11784, independent: 11748, independent conditional: 0, independent unconditional: 11748, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 74506, independent: 68262, independent conditional: 56514, independent unconditional: 11748, dependent: 6190, dependent conditional: 6161, dependent unconditional: 29, unknown: 54, unknown conditional: 47, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68637, independent: 68262, independent conditional: 56514, independent unconditional: 11748, dependent: 321, dependent conditional: 292, dependent unconditional: 29, unknown: 54, unknown conditional: 47, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 68637, independent: 68262, independent conditional: 56514, independent unconditional: 11748, dependent: 321, dependent conditional: 292, dependent unconditional: 29, unknown: 54, unknown conditional: 47, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70198, independent: 68262, independent conditional: 104, independent unconditional: 68158, dependent: 1714, dependent conditional: 1292, dependent unconditional: 422, unknown: 222, unknown conditional: 165, unknown unconditional: 57] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70198, independent: 68262, independent conditional: 104, independent unconditional: 68158, dependent: 1714, dependent conditional: 931, dependent unconditional: 783, unknown: 222, unknown conditional: 120, unknown unconditional: 102] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70198, independent: 68262, independent conditional: 104, independent unconditional: 68158, dependent: 1714, dependent conditional: 931, dependent unconditional: 783, unknown: 222, unknown conditional: 120, unknown unconditional: 102] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10069, independent: 9965, independent conditional: 17, independent unconditional: 9948, dependent: 87, dependent conditional: 58, dependent unconditional: 29, unknown: 17, unknown conditional: 10, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10069, independent: 9947, independent conditional: 0, independent unconditional: 9947, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 87, dependent conditional: 58, dependent unconditional: 29, unknown: 17, unknown conditional: 10, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 87, dependent conditional: 58, dependent unconditional: 29, unknown: 17, unknown conditional: 10, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18957, independent: 252, independent conditional: 229, independent unconditional: 23, dependent: 509, dependent conditional: 324, dependent unconditional: 185, unknown: 18196, unknown conditional: 10777, unknown unconditional: 7419] , Protected Queries: 0 ], Cache Queries: [ total: 70198, independent: 58297, independent conditional: 87, independent unconditional: 58210, dependent: 1627, dependent conditional: 873, dependent unconditional: 754, unknown: 10274, unknown conditional: 195, unknown unconditional: 10079] , Statistics on independence cache: Total cache size (in pairs): 10052, Positive cache size: 9965, Positive conditional cache size: 17, Positive unconditional cache size: 9948, Negative cache size: 87, Negative conditional cache size: 58, Negative unconditional cache size: 29, Unknown cache size: 17, Unknown conditional cache size: 10, Unknown unconditional cache size: 7, Eliminated conditions: 406, Maximal queried relation: 6, Independence queries for same thread: 5869 - 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, 498 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 4.6s, 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_write_nvramThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 498 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 34.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 24.8s, 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: 114, 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, 0.5s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 2043 NumberOfCodeBlocks, 2043 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 2036 ConstructedInterpolants, 0 QuantifiedInterpolants, 13192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 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 07:01:46,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 07:01:46,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 07:01:46,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9061891e-c03d-4e6a-80e8-f0633c507afb/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