./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:44:07,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:44:07,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:44:07,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:44:07,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:44:07,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:44:07,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:44:07,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:44:07,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:44:07,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:44:07,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:44:07,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:44:07,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:44:07,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:44:07,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:44:07,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:44:07,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:44:07,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:44:07,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:44:07,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:44:07,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:44:07,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:44:07,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:44:07,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:44:07,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:44:07,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:44:07,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:44:07,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:44:07,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:44:07,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:44:07,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:44:07,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:44:07,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:44:07,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:44:07,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:44:07,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:44:07,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:44:07,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:44:07,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:44:07,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:44:07,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:44:07,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 23:44:07,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:44:07,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:44:07,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:44:07,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:44:07,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:44:07,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:44:07,887 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:44:07,887 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:44:07,888 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:44:07,888 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:44:07,889 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:44:07,889 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:44:07,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:44:07,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:44:07,890 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:44:07,890 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:44:07,890 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:44:07,891 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:44:07,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:44:07,892 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:44:07,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:44:07,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:44:07,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:44:07,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:44:07,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:44:07,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:44:07,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:44:07,894 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 23:44:07,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:44:07,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:44:07,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:44:07,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:44:07,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:44:07,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:44:07,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:44:07,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:44:07,896 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:44:07,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:44:07,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:44:07,897 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:44:07,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:44:07,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:44:07,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:44:07,898 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_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2022-11-25 23:44:08,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:44:08,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:44:08,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:44:08,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:44:08,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:44:08,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-11-25 23:44:11,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:44:11,968 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:44:11,969 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-11-25 23:44:12,023 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/data/cb9eda0cc/921e0d65f2e3441298944e2ea7328ab3/FLAG68b20a1d8 [2022-11-25 23:44:12,042 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/data/cb9eda0cc/921e0d65f2e3441298944e2ea7328ab3 [2022-11-25 23:44:12,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:44:12,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:44:12,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:44:12,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:44:12,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:44:12,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:44:12" (1/1) ... [2022-11-25 23:44:12,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e77b5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:12, skipping insertion in model container [2022-11-25 23:44:12,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:44:12" (1/1) ... [2022-11-25 23:44:12,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:44:12,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:44:12,660 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_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2022-11-25 23:44:13,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:13,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:13,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:14,179 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-11-25 23:44:14,185 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-11-25 23:44:14,192 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-11-25 23:44:14,203 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-11-25 23:44:14,385 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-11-25 23:44:14,392 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-11-25 23:44:14,587 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-11-25 23:44:14,923 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-11-25 23:44:14,934 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-11-25 23:44:15,038 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-25 23:44:15,044 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-25 23:44:15,465 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-11-25 23:44:15,470 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-11-25 23:44:15,474 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-11-25 23:44:15,617 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-25 23:44:15,618 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-25 23:44:15,622 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-11-25 23:44:15,622 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-25 23:44:15,856 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-11-25 23:44:15,903 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-11-25 23:44:16,123 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-11-25 23:44:16,128 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:44:16,325 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-11-25 23:44:16,546 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-11-25 23:44:16,546 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-11-25 23:44:16,547 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-11-25 23:44:17,801 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-11-25 23:44:17,802 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:17,807 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:17,815 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:17,822 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:18,643 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-11-25 23:44:18,651 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-11-25 23:44:18,658 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-11-25 23:44:18,669 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:44:18,670 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-11-25 23:44:18,675 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:44:18,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:44:18,734 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:44:18,764 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_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2022-11-25 23:44:18,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,809 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,810 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:44:18,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:44:18,863 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-11-25 23:44:18,864 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-11-25 23:44:18,865 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-11-25 23:44:18,867 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-11-25 23:44:18,886 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-11-25 23:44:18,893 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-11-25 23:44:18,902 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-11-25 23:44:18,933 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-11-25 23:44:18,935 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-11-25 23:44:18,939 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-25 23:44:18,940 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-25 23:44:18,956 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-11-25 23:44:18,957 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-11-25 23:44:18,957 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-11-25 23:44:18,967 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-25 23:44:18,967 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-25 23:44:18,968 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-11-25 23:44:18,968 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-25 23:44:18,984 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-11-25 23:44:18,988 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-11-25 23:44:18,997 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-11-25 23:44:18,998 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:44:19,005 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-11-25 23:44:19,013 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-11-25 23:44:19,014 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-11-25 23:44:19,015 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-11-25 23:44:19,166 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-11-25 23:44:19,167 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:19,170 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:19,182 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:19,186 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-11-25 23:44:19,314 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-11-25 23:44:19,317 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-11-25 23:44:19,319 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-11-25 23:44:19,320 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:44:19,321 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-11-25 23:44:19,322 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:44:19,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:44:19,758 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:44:19,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19 WrapperNode [2022-11-25 23:44:19,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:44:19,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:44:19,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:44:19,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:44:19,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:19,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:19,957 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 509 [2022-11-25 23:44:19,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:44:19,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:44:19,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:44:19,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:44:19,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:19,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:19,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:19,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:20,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:20,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:20,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:20,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:20,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:44:20,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:44:20,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:44:20,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:44:20,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (1/1) ... [2022-11-25 23:44:20,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:44:20,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:44:20,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:44:20,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7f9b08-b5d9-4daf-b091-5e3740bd4854/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:44:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:44:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:44:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:44:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:44:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:44:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:44:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:44:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:44:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:44:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:44:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-11-25 23:44:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-11-25 23:44:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:44:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-11-25 23:44:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-11-25 23:44:20,194 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:44:20,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:44:20,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:44:21,500 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:44:21,521 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:44:21,521 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:44:21,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:44:21 BoogieIcfgContainer [2022-11-25 23:44:21,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:44:21,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:44:21,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:44:21,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:44:21,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:44:12" (1/3) ... [2022-11-25 23:44:21,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442366f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:44:21, skipping insertion in model container [2022-11-25 23:44:21,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:19" (2/3) ... [2022-11-25 23:44:21,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442366f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:44:21, skipping insertion in model container [2022-11-25 23:44:21,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:44:21" (3/3) ... [2022-11-25 23:44:21,540 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_write_nvram.i [2022-11-25 23:44:21,550 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:44:21,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:44:21,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-11-25 23:44:21,562 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:44:21,762 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 23:44:21,824 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:44:21,840 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 603 transitions, 1222 flow [2022-11-25 23:44:21,843 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 603 transitions, 1222 flow [2022-11-25 23:44:21,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 594 places, 603 transitions, 1222 flow [2022-11-25 23:44:22,208 INFO L130 PetriNetUnfolder]: 16/601 cut-off events. [2022-11-25 23:44:22,209 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 23:44:22,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 601 events. 16/601 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 816 event pairs, 0 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 472. Up to 5 conditions per place. [2022-11-25 23:44:22,243 INFO L119 LiptonReduction]: Number of co-enabled transitions 41704 [2022-11-25 23:45:36,293 WARN L233 SmtUtils]: Spent 12.71s on a formula simplification that was a NOOP. DAG size: 413 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:43,654 WARN L233 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 366 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:58,268 WARN L233 SmtUtils]: Spent 14.61s on a formula simplification that was a NOOP. DAG size: 413 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:46:09,703 WARN L233 SmtUtils]: Spent 11.42s on a formula simplification that was a NOOP. DAG size: 366 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:48:17,340 WARN L233 SmtUtils]: Spent 2.05m on a formula simplification. DAG size of input: 527 DAG size of output: 523 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:48:42,612 WARN L233 SmtUtils]: Spent 25.26s on a formula simplification that was a NOOP. DAG size: 483 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:50:50,022 WARN L233 SmtUtils]: Spent 2.12m on a formula simplification. DAG size of input: 530 DAG size of output: 526 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:51:46,188 WARN L233 SmtUtils]: Spent 56.15s on a formula simplification that was a NOOP. DAG size: 486 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:52:19,219 WARN L233 SmtUtils]: Spent 32.95s on a formula simplification that was a NOOP. DAG size: 488 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:52:50,756 WARN L233 SmtUtils]: Spent 31.53s on a formula simplification that was a NOOP. DAG size: 450 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:53:30,310 WARN L233 SmtUtils]: Spent 39.55s on a formula simplification that was a NOOP. DAG size: 491 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:54:02,365 WARN L233 SmtUtils]: Spent 32.04s on a formula simplification that was a NOOP. DAG size: 453 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:54:26,572 WARN L233 SmtUtils]: Spent 24.20s on a formula simplification that was a NOOP. DAG size: 483 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:55:00,049 WARN L233 SmtUtils]: Spent 33.47s on a formula simplification that was a NOOP. DAG size: 445 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:55:32,596 WARN L233 SmtUtils]: Spent 32.54s on a formula simplification that was a NOOP. DAG size: 486 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:55:52,417 WARN L233 SmtUtils]: Spent 19.81s on a formula simplification that was a NOOP. DAG size: 448 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:57:13,386 WARN L233 SmtUtils]: Spent 1.35m on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:57:51,152 WARN L233 SmtUtils]: Spent 37.76s on a formula simplification that was a NOOP. DAG size: 485 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)