java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:44:20,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:44:20,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:44:20,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:44:20,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:44:20,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:44:20,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:44:20,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:44:20,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:44:20,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:44:20,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:44:20,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:44:20,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:44:20,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:44:20,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:44:20,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:44:20,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:44:20,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:44:20,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:44:20,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:44:20,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:44:20,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:44:20,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:44:20,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:44:20,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:44:20,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:44:20,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:44:20,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:44:20,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:44:20,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:44:20,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:44:20,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:44:20,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:44:20,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:44:20,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:44:20,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:44:20,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:44:20,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:44:20,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:44:20,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:44:20,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:44:20,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:44:20,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:44:20,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:44:20,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:44:20,407 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:44:20,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:44:20,408 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:44:20,408 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:44:20,408 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:44:20,408 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:44:20,408 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:44:20,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:44:20,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:44:20,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:44:20,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:44:20,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:44:20,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:44:20,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:44:20,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:44:20,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:44:20,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:44:20,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:44:20,412 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:44:20,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:44:20,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:44:20,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:44:20,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:44:20,413 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:44:20,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:44:20,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:44:20,414 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:44:20,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:44:20,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:44:20,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:44:20,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:44:20,487 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:44:20,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2019-09-20 13:44:20,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff0c2afc/550a0546e10c46b8bc53ca335d9e144c/FLAG08cb42751 [2019-09-20 13:44:21,398 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:44:21,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2019-09-20 13:44:21,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff0c2afc/550a0546e10c46b8bc53ca335d9e144c/FLAG08cb42751 [2019-09-20 13:44:21,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff0c2afc/550a0546e10c46b8bc53ca335d9e144c [2019-09-20 13:44:21,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:44:21,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:44:21,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:21,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:44:21,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:44:21,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:21" (1/1) ... [2019-09-20 13:44:21,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700fa1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:21, skipping insertion in model container [2019-09-20 13:44:21,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:21" (1/1) ... [2019-09-20 13:44:21,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:44:22,004 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:44:22,651 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5323] [2019-09-20 13:44:22,652 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5324-5325] [2019-09-20 13:44:24,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:24,483 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:44:24,622 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5323] [2019-09-20 13:44:24,623 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5324-5325] [2019-09-20 13:44:24,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:25,374 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:44:25,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25 WrapperNode [2019-09-20 13:44:25,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:25,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:44:25,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:44:25,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:44:25,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:44:25,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:44:25,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:44:25,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:44:25,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:44:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:44:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:44:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:44:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-09-20 13:44:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:44:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:44:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:44:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-20 13:44:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-20 13:44:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2019-09-20 13:44:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_2 [2019-09-20 13:44:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_6 [2019-09-20 13:44:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2019-09-20 13:44:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2019-09-20 13:44:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:44:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:44:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:44:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:44:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:44:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:44:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:44:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:44:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:44:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_set_expires [2019-09-20 13:44:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_get_expires [2019-09-20 13:44:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_get_softexpires [2019-09-20 13:44:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start_expires [2019-09-20 13:44:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_restart [2019-09-20 13:44:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-20 13:44:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-09-20 13:44:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-09-20 13:44:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2019-09-20 13:44:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-09-20 13:44:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2019-09-20 13:44:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse_nested [2019-09-20 13:44:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2019-09-20 13:44:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2019-09-20 13:44:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2019-09-20 13:44:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_is_throttled [2019-09-20 13:44:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_unthrottled [2019-09-20 13:44:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2019-09-20 13:44:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2019-09-20 13:44:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root [2019-09-20 13:44:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping [2019-09-20 13:44:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping_lock [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_dev [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_lock [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_unlock [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_hash [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_find [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_pkt_len [2019-09-20 13:44:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_calculate_pkt_len [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_enqueue [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bstats_update [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_bstats_update [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_peek_dequeued [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_l2t [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_priv [2019-09-20 13:44:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure psched_get_time [2019-09-20 13:44:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_watchdog_schedule [2019-09-20 13:44:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure psched_mtu [2019-09-20 13:44:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_class_lookup [2019-09-20 13:44:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reclassify [2019-09-20 13:44:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_classify [2019-09-20 13:44:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_activate_class [2019-09-20 13:44:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_deactivate_class [2019-09-20 13:44:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_mark_toplevel [2019-09-20 13:44:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_enqueue [2019-09-20 13:44:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_classic [2019-09-20 13:44:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_rclassic [2019-09-20 13:44:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_delay [2019-09-20 13:44:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_lowprio [2019-09-20 13:44:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_drop [2019-09-20 13:44:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_undelay_prio [2019-09-20 13:44:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_undelay [2019-09-20 13:44:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reshape_fail [2019-09-20 13:44:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_update_toplevel [2019-09-20 13:44:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_update [2019-09-20 13:44:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_under_limit [2019-09-20 13:44:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_prio [2019-09-20 13:44:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_1 [2019-09-20 13:44:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue [2019-09-20 13:44:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_adjust_levels [2019-09-20 13:44:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_normalize_quanta [2019-09-20 13:44:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_sync_defmap [2019-09-20 13:44:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_change_defmap [2019-09-20 13:44:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_unlink_class [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_link_class [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_drop [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reset [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_lss [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_rmprio [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_addprio [2019-09-20 13:44:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_wrr [2019-09-20 13:44:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_overlimit [2019-09-20 13:44:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_police [2019-09-20 13:44:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_fopt [2019-09-20 13:44:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_init [2019-09-20 13:44:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_rate [2019-09-20 13:44:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_lss [2019-09-20 13:44:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_wrr [2019-09-20 13:44:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_ovl [2019-09-20 13:44:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_fopt [2019-09-20 13:44:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_police [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_attr [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_stats [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class_stats [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_graft [2019-09-20 13:44:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_leaf [2019-09-20 13:44:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_qlen_notify [2019-09-20 13:44:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_get [2019-09-20 13:44:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy_class [2019-09-20 13:44:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy [2019-09-20 13:44:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_put [2019-09-20 13:44:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_change_class [2019-09-20 13:44:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_delete [2019-09-20 13:44:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_find_tcf [2019-09-20 13:44:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_bind_filter [2019-09-20 13:44:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_unbind_filter [2019-09-20 13:44:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_walk [2019-09-20 13:44:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_module_init [2019-09-20 13:44:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_module_exit [2019-09-20 13:44:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_Qdisc_ops_1 [2019-09-20 13:44:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_Qdisc_class_ops_2 [2019-09-20 13:44:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:44:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-20 13:44:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-20 13:44:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-20 13:44:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:44:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2019-09-20 13:44:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2019-09-20 13:44:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2019-09-20 13:44:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2019-09-20 13:44:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2019-09-20 13:44:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2019-09-20 13:44:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2019-09-20 13:44:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-09-20 13:44:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2019-09-20 13:44:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-09-20 13:44:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-20 13:44:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:44:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-20 13:44:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-20 13:44:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-20 13:44:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-20 13:44:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-20 13:44:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-20 13:44:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __qdisc_calculate_pkt_len [2019-09-20 13:44:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-20 13:44:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-20 13:44:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_kill_estimator [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_new_estimator [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_replace_estimator [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_app [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_basic [2019-09-20 13:44:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_queue [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_rate_est [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_init [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start_range_ns [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_try_to_cancel [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-20 13:44:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_1 [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-09-20 13:44:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_hash_destroy [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_hash_grow [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_hash_init [2019-09-20 13:44:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_hash_insert [2019-09-20 13:44:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_class_hash_remove [2019-09-20 13:44:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_create_dflt [2019-09-20 13:44:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_destroy [2019-09-20 13:44:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_get_rtab [2019-09-20 13:44:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_put_rtab [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_reset [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_tree_decrease_qlen [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_watchdog_cancel [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_watchdog_init [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_watchdog_schedule_ns [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2019-09-20 13:44:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure register_qdisc [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tc_classify_compat [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tcf_destroy_chain [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_qdisc [2019-09-20 13:44:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:44:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:44:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:44:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:44:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:44:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:44:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:44:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-09-20 13:44:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_2 [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_6 [2019-09-20 13:44:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-20 13:44:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:44:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:44:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_Qdisc_ops_1 [2019-09-20 13:44:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_Qdisc_class_ops_2 [2019-09-20 13:44:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_set_expires [2019-09-20 13:44:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_get_expires [2019-09-20 13:44:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_get_softexpires [2019-09-20 13:44:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-09-20 13:44:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_init [2019-09-20 13:44:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start [2019-09-20 13:44:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start_range_ns [2019-09-20 13:44:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2019-09-20 13:44:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_try_to_cancel [2019-09-20 13:44:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start_expires [2019-09-20 13:44:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_restart [2019-09-20 13:44:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-20 13:44:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-09-20 13:44:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2019-09-20 13:44:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2019-09-20 13:44:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-09-20 13:44:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2019-09-20 13:44:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2019-09-20 13:44:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-20 13:44:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-09-20 13:44:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse_nested [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_basic [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_rate_est [2019-09-20 13:44:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_queue [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_app [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure gen_new_estimator [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure gen_kill_estimator [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure gen_replace_estimator [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_is_throttled [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_unthrottled [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2019-09-20 13:44:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping_lock [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_dev [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_lock [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_unlock [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_hash [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_find [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_hash_init [2019-09-20 13:44:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_hash_insert [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_hash_remove [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_hash_grow [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_class_hash_destroy [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_reset [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_destroy [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_tree_decrease_qlen [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_create_dflt [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __qdisc_calculate_pkt_len [2019-09-20 13:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure tcf_destroy_chain [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_pkt_len [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_calculate_pkt_len [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_enqueue [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure bstats_update [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_bstats_update [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_peek_dequeued [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-09-20 13:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_l2t [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_priv [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure psched_get_time [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_watchdog_init [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_watchdog_schedule_ns [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_watchdog_schedule [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_watchdog_cancel [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure register_qdisc [2019-09-20 13:44:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_qdisc [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_get_rtab [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_put_rtab [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure tc_classify_compat [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure psched_mtu [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_class_lookup [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reclassify [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_classify [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_activate_class [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_deactivate_class [2019-09-20 13:44:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_mark_toplevel [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_enqueue [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_classic [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_rclassic [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_delay [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_lowprio [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_drop [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_undelay_prio [2019-09-20 13:44:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_undelay [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reshape_fail [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_update_toplevel [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_update [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_under_limit [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_prio [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_1 [2019-09-20 13:44:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_adjust_levels [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_normalize_quanta [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_sync_defmap [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_change_defmap [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_unlink_class [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_link_class [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_drop [2019-09-20 13:44:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reset [2019-09-20 13:44:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_lss [2019-09-20 13:44:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_rmprio [2019-09-20 13:44:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_addprio [2019-09-20 13:44:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_wrr [2019-09-20 13:44:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_overlimit [2019-09-20 13:44:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_police [2019-09-20 13:44:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_fopt [2019-09-20 13:44:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_init [2019-09-20 13:44:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_rate [2019-09-20 13:44:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_lss [2019-09-20 13:44:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_wrr [2019-09-20 13:44:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_ovl [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_fopt [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_police [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_attr [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_stats [2019-09-20 13:44:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class_stats [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_graft [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_leaf [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_qlen_notify [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_get [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy_class [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_put [2019-09-20 13:44:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_change_class [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_delete [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_find_tcf [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_bind_filter [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_unbind_filter [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_walk [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_module_init [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_module_exit [2019-09-20 13:44:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_1 [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-20 13:44:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:44:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:44:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:44:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:44:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:44:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:44:27,387 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:44:31,349 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:44:31,350 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:44:31,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:31 BoogieIcfgContainer [2019-09-20 13:44:31,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:44:31,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:44:31,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:44:31,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:44:31,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:44:21" (1/3) ... [2019-09-20 13:44:31,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74868f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:31, skipping insertion in model container [2019-09-20 13:44:31,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (2/3) ... [2019-09-20 13:44:31,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74868f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:31, skipping insertion in model container [2019-09-20 13:44:31,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:31" (3/3) ... [2019-09-20 13:44:31,361 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2019-09-20 13:44:31,373 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:44:31,384 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:44:31,402 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:44:31,432 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:44:31,432 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:44:31,432 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:44:31,432 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:44:31,432 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:44:31,432 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:44:31,432 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:44:31,433 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:44:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states. [2019-09-20 13:44:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:44:31,529 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:31,532 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:31,535 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:31,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:31,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1057127601, now seen corresponding path program 1 times [2019-09-20 13:44:31,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:31,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:31,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:31,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:31,749 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-09-20 13:44:32,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:32,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:32,258 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:32,266 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:32,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:32,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:32,290 INFO L87 Difference]: Start difference. First operand 1930 states. Second operand 3 states. [2019-09-20 13:44:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:32,727 INFO L93 Difference]: Finished difference Result 3022 states and 4020 transitions. [2019-09-20 13:44:32,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:32,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-09-20 13:44:32,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:32,770 INFO L225 Difference]: With dead ends: 3022 [2019-09-20 13:44:32,770 INFO L226 Difference]: Without dead ends: 2978 [2019-09-20 13:44:32,772 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:32,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2978 states. [2019-09-20 13:44:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2978 to 2978. [2019-09-20 13:44:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2978 states. [2019-09-20 13:44:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 3966 transitions. [2019-09-20 13:44:33,018 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 3966 transitions. Word has length 154 [2019-09-20 13:44:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:33,020 INFO L475 AbstractCegarLoop]: Abstraction has 2978 states and 3966 transitions. [2019-09-20 13:44:33,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 3966 transitions. [2019-09-20 13:44:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-20 13:44:33,047 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:33,048 INFO L407 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:33,048 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:33,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1221899941, now seen corresponding path program 1 times [2019-09-20 13:44:33,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:33,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:33,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:33,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:33,078 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-09-20 13:44:33,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:33,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:33,377 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:33,393 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:33,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:33,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:33,398 INFO L87 Difference]: Start difference. First operand 2978 states and 3966 transitions. Second operand 3 states. [2019-09-20 13:44:33,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:33,486 INFO L93 Difference]: Finished difference Result 2979 states and 3967 transitions. [2019-09-20 13:44:33,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:33,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-09-20 13:44:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:33,513 INFO L225 Difference]: With dead ends: 2979 [2019-09-20 13:44:33,513 INFO L226 Difference]: Without dead ends: 2979 [2019-09-20 13:44:33,514 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2019-09-20 13:44:33,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2979. [2019-09-20 13:44:33,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2979 states. [2019-09-20 13:44:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 3967 transitions. [2019-09-20 13:44:33,650 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 3967 transitions. Word has length 199 [2019-09-20 13:44:33,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:33,653 INFO L475 AbstractCegarLoop]: Abstraction has 2979 states and 3967 transitions. [2019-09-20 13:44:33,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3967 transitions. [2019-09-20 13:44:33,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-09-20 13:44:33,670 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:33,671 INFO L407 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:33,671 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:33,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:33,671 INFO L82 PathProgramCache]: Analyzing trace with hash 284671535, now seen corresponding path program 1 times [2019-09-20 13:44:33,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:33,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:33,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:33,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:33,686 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-20 13:44:33,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:33,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:33,912 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:33,914 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:33,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:33,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:33,914 INFO L87 Difference]: Start difference. First operand 2979 states and 3967 transitions. Second operand 3 states. [2019-09-20 13:44:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:34,758 INFO L93 Difference]: Finished difference Result 4693 states and 6245 transitions. [2019-09-20 13:44:34,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:34,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-09-20 13:44:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:34,800 INFO L225 Difference]: With dead ends: 4693 [2019-09-20 13:44:34,800 INFO L226 Difference]: Without dead ends: 4693 [2019-09-20 13:44:34,801 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2019-09-20 13:44:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4690. [2019-09-20 13:44:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4690 states. [2019-09-20 13:44:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 6243 transitions. [2019-09-20 13:44:35,020 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 6243 transitions. Word has length 200 [2019-09-20 13:44:35,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:35,021 INFO L475 AbstractCegarLoop]: Abstraction has 4690 states and 6243 transitions. [2019-09-20 13:44:35,021 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 6243 transitions. [2019-09-20 13:44:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-20 13:44:35,052 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:35,052 INFO L407 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:35,053 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:35,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:35,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1496659555, now seen corresponding path program 1 times [2019-09-20 13:44:35,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:35,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:35,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:35,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:35,074 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-09-20 13:44:35,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:35,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:35,264 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:35,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:35,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:35,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:35,265 INFO L87 Difference]: Start difference. First operand 4690 states and 6243 transitions. Second operand 3 states. [2019-09-20 13:44:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:35,346 INFO L93 Difference]: Finished difference Result 4838 states and 6467 transitions. [2019-09-20 13:44:35,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:35,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-09-20 13:44:35,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:35,388 INFO L225 Difference]: With dead ends: 4838 [2019-09-20 13:44:35,388 INFO L226 Difference]: Without dead ends: 4838 [2019-09-20 13:44:35,389 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:35,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2019-09-20 13:44:35,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 4708. [2019-09-20 13:44:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4708 states. [2019-09-20 13:44:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4708 states and 6267 transitions. [2019-09-20 13:44:35,616 INFO L78 Accepts]: Start accepts. Automaton has 4708 states and 6267 transitions. Word has length 199 [2019-09-20 13:44:35,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:35,617 INFO L475 AbstractCegarLoop]: Abstraction has 4708 states and 6267 transitions. [2019-09-20 13:44:35,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4708 states and 6267 transitions. [2019-09-20 13:44:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-09-20 13:44:35,642 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:35,642 INFO L407 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:35,643 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:35,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:35,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1195129398, now seen corresponding path program 1 times [2019-09-20 13:44:35,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:35,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:35,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:35,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:35,660 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-09-20 13:44:35,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:35,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:44:35,850 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:35,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:44:35,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:44:35,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:44:35,852 INFO L87 Difference]: Start difference. First operand 4708 states and 6267 transitions. Second operand 4 states. [2019-09-20 13:44:35,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:35,994 INFO L93 Difference]: Finished difference Result 4714 states and 6273 transitions. [2019-09-20 13:44:35,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:44:35,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2019-09-20 13:44:35,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:36,022 INFO L225 Difference]: With dead ends: 4714 [2019-09-20 13:44:36,022 INFO L226 Difference]: Without dead ends: 4714 [2019-09-20 13:44:36,023 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:44:36,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4714 states. [2019-09-20 13:44:36,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4714 to 4712. [2019-09-20 13:44:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4712 states. [2019-09-20 13:44:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4712 states and 6271 transitions. [2019-09-20 13:44:36,190 INFO L78 Accepts]: Start accepts. Automaton has 4712 states and 6271 transitions. Word has length 217 [2019-09-20 13:44:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:36,191 INFO L475 AbstractCegarLoop]: Abstraction has 4712 states and 6271 transitions. [2019-09-20 13:44:36,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:44:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 4712 states and 6271 transitions. [2019-09-20 13:44:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-09-20 13:44:36,213 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:36,214 INFO L407 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:36,214 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:36,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:36,215 INFO L82 PathProgramCache]: Analyzing trace with hash 343210632, now seen corresponding path program 1 times [2019-09-20 13:44:36,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:36,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:36,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:36,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:36,233 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-09-20 13:44:36,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:36,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:36,553 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:36,554 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:36,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:36,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:36,555 INFO L87 Difference]: Start difference. First operand 4712 states and 6271 transitions. Second operand 3 states. [2019-09-20 13:44:36,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:36,607 INFO L93 Difference]: Finished difference Result 4949 states and 6543 transitions. [2019-09-20 13:44:36,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:36,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2019-09-20 13:44:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:36,609 INFO L225 Difference]: With dead ends: 4949 [2019-09-20 13:44:36,609 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:44:36,609 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:36,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:44:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:44:36,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:44:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:44:36,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2019-09-20 13:44:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:36,611 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:44:36,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:44:36,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:44:36,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:44:36 BoogieIcfgContainer [2019-09-20 13:44:36,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:44:36,622 INFO L168 Benchmark]: Toolchain (without parser) took 14779.66 ms. Allocated memory was 138.4 MB in the beginning and 664.8 MB in the end (delta: 526.4 MB). Free memory was 74.4 MB in the beginning and 368.5 MB in the end (delta: -294.1 MB). Peak memory consumption was 232.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:36,624 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:44:36,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3532.60 ms. Allocated memory was 138.4 MB in the beginning and 274.7 MB in the end (delta: 136.3 MB). Free memory was 74.1 MB in the beginning and 78.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 133.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:36,628 INFO L168 Benchmark]: Boogie Preprocessor took 484.40 ms. Allocated memory was 274.7 MB in the beginning and 282.1 MB in the end (delta: 7.3 MB). Free memory was 78.5 MB in the beginning and 208.2 MB in the end (delta: -129.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:36,630 INFO L168 Benchmark]: RCFGBuilder took 5492.04 ms. Allocated memory was 282.1 MB in the beginning and 388.0 MB in the end (delta: 105.9 MB). Free memory was 208.2 MB in the beginning and 79.8 MB in the end (delta: 128.5 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:36,632 INFO L168 Benchmark]: TraceAbstraction took 5265.61 ms. Allocated memory was 388.0 MB in the beginning and 664.8 MB in the end (delta: 276.8 MB). Free memory was 79.8 MB in the beginning and 368.5 MB in the end (delta: -288.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:44:36,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3532.60 ms. Allocated memory was 138.4 MB in the beginning and 274.7 MB in the end (delta: 136.3 MB). Free memory was 74.1 MB in the beginning and 78.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 133.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 484.40 ms. Allocated memory was 274.7 MB in the beginning and 282.1 MB in the end (delta: 7.3 MB). Free memory was 78.5 MB in the beginning and 208.2 MB in the end (delta: -129.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5492.04 ms. Allocated memory was 282.1 MB in the beginning and 388.0 MB in the end (delta: 105.9 MB). Free memory was 208.2 MB in the beginning and 79.8 MB in the end (delta: 128.5 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5265.61 ms. Allocated memory was 388.0 MB in the beginning and 664.8 MB in the end (delta: 276.8 MB). Free memory was 79.8 MB in the beginning and 368.5 MB in the end (delta: -288.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 207 procedures, 1981 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 6 OverallIterations, 13 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16641 SDtfs, 5949 SDslu, 15009 SDs, 0 SdLazy, 192 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4712occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 135 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1186 NumberOfCodeBlocks, 1186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 284292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1773/1773 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...