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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:27:50,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:27:50,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:27:50,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:27:50,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:27:50,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:27:50,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:27:50,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:27:50,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:27:50,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:27:50,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:27:50,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:27:50,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:27:50,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:27:50,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:27:50,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:27:50,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:27:50,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:27:50,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:27:50,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:27:50,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:27:50,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:27:50,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:27:50,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:27:50,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:27:50,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:27:50,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:27:50,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:27:50,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:27:50,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:27:50,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:27:50,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:27:50,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:27:50,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:27:50,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:27:50,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:27:50,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:27:50,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:27:50,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:27:50,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:27:50,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:27:50,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 16:27:50,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:27:50,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:27:50,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:27:50,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:27:50,478 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:27:50,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:27:50,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:27:50,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:27:50,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:27:50,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:27:50,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:27:50,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:27:50,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:27:50,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:27:50,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:27:50,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:27:50,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:27:50,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:27:50,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:27:50,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:27:50,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:27:50,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:27:50,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:27:50,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:27:50,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:27:50,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:27:50,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:27:50,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:27:50,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:27:50,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:27:50,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:27:50,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:27:50,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:27:50,559 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:27:50,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-09-08 16:27:50,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dee17c9/6ff64192ed394cf2b5da94b475fe3d17/FLAGb70cb2b10 [2019-09-08 16:27:51,496 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:27:51,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-09-08 16:27:51,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dee17c9/6ff64192ed394cf2b5da94b475fe3d17/FLAGb70cb2b10 [2019-09-08 16:27:51,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dee17c9/6ff64192ed394cf2b5da94b475fe3d17 [2019-09-08 16:27:51,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:27:51,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:27:51,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:27:51,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:27:51,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:27:51,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:27:51" (1/1) ... [2019-09-08 16:27:51,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270e4059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:51, skipping insertion in model container [2019-09-08 16:27:51,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:27:51" (1/1) ... [2019-09-08 16:27:51,989 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:27:52,167 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:27:54,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:27:54,931 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:27:55,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:27:56,290 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:27:56,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56 WrapperNode [2019-09-08 16:27:56,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:27:56,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:27:56,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:27:56,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:27:56,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (1/1) ... [2019-09-08 16:27:56,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:27:56,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:27:56,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:27:56,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:27:56,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (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 [2019-09-08 16:27:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:27:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:27:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 16:27:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-08 16:27:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 16:27:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-09-08 16:27:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 16:27:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-09-08 16:27:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 16:27:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-09-08 16:27:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 16:27:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-09-08 16:27:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-09-08 16:27:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 16:27:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 16:27:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-08 16:27:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 16:27:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-08 16:27:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-08 16:27:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 16:27:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-08 16:27:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 16:27:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-09-08 16:27:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-08 16:27:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-08 16:27:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-08 16:27:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-08 16:27:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 16:27:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-08 16:27:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-08 16:27:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-09-08 16:27:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2019-09-08 16:27:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-08 16:27:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-09-08 16:27:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-09-08 16:27:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 16:27:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 16:27:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-08 16:27:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 16:27:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-08 16:27:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 16:27:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-08 16:27:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-08 16:27:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-09-08 16:27:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2019-09-08 16:27:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2019-09-08 16:27:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-09-08 16:27:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2019-09-08 16:27:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-09-08 16:27:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-09-08 16:27:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-09-08 16:27:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-08 16:27:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-08 16:27:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-09-08 16:27:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-09-08 16:27:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-09-08 16:27:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-08 16:27:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-09-08 16:27:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2019-09-08 16:27:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2019-09-08 16:27:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:27:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:27:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:27:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:27:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:27:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:27:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:27:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:27:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:27:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-09-08 16:27:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-09-08 16:27:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2019-09-08 16:27:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 16:27:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2019-09-08 16:27:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2019-09-08 16:27:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2019-09-08 16:27:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2019-09-08 16:27:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2019-09-08 16:27:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2019-09-08 16:27:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2019-09-08 16:27:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2019-09-08 16:27:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2019-09-08 16:27:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2019-09-08 16:27:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2019-09-08 16:27:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2019-09-08 16:27:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2019-09-08 16:27:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2019-09-08 16:27:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2019-09-08 16:27:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2019-09-08 16:27:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2019-09-08 16:27:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2019-09-08 16:27:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2019-09-08 16:27:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-09-08 16:27:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-09-08 16:27:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2019-09-08 16:27:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2019-09-08 16:27:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2019-09-08 16:27:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2019-09-08 16:27:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2019-09-08 16:27:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2019-09-08 16:27:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2019-09-08 16:27:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-09-08 16:27:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2019-09-08 16:27:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-08 16:27:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-09-08 16:27:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2019-09-08 16:27:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-08 16:27:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2019-09-08 16:27:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2019-09-08 16:27:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2019-09-08 16:27:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2019-09-08 16:27:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2019-09-08 16:27:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2019-09-08 16:27:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2019-09-08 16:27:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2019-09-08 16:27:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2019-09-08 16:27:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2019-09-08 16:27:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pernet_operations_2 [2019-09-08 16:27:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-09-08 16:27:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:27:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_18 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2019-09-08 16:27:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_21 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_23 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_24 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_26 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2019-09-08 16:27:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_29 [2019-09-08 16:27:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_30 [2019-09-08 16:27:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_31 [2019-09-08 16:27:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_32 [2019-09-08 16:27:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_33 [2019-09-08 16:27:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_34 [2019-09-08 16:27:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_36 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_39 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_40 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_41 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_43 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2019-09-08 16:27:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_45 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_46 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_47 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_48 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_49 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_50 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_51 [2019-09-08 16:27:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_53 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_54 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_56 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_57 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_58 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_59 [2019-09-08 16:27:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_60 [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_63 [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_64 [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_65 [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:27:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:27:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:27:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 16:27:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-08 16:27:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 16:27:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-08 16:27:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 16:27:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-08 16:27:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2019-09-08 16:27:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2019-09-08 16:27:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-09-08 16:27:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-09-08 16:27:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 16:27:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-09-08 16:27:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-09-08 16:27:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-09-08 16:27:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-09-08 16:27:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-09-08 16:27:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_open_1 [2019-09-08 16:27:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_stop_1 [2019-09-08 16:27:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-09-08 16:27:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-08 16:27:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-09-08 16:27:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-08 16:27:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-09-08 16:27:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-09-08 16:27:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2019-09-08 16:27:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-09-08 16:27:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:27:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-09-08 16:27:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-09-08 16:27:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-09-08 16:27:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_chk_filter [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2019-09-08 16:27:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-09-08 16:27:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-09-08 16:27:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:27:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:27:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 16:27:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:27:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:27:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:27:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:27:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 16:27:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-08 16:27:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-08 16:27:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 16:27:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-08 16:27:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-09-08 16:27:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2019-09-08 16:27:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 16:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-08 16:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 16:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-08 16:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2019-09-08 16:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2019-09-08 16:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2019-09-08 16:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2019-09-08 16:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 16:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 16:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-08 16:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 16:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-09-08 16:27:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-09-08 16:27:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-09-08 16:27:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-09-08 16:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-08 16:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-08 16:27:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-09-08 16:27:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-09-08 16:27:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-09-08 16:27:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-09-08 16:27:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-08 16:27:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-08 16:27:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-08 16:27:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-08 16:27:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:27:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:27:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:27:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_31 [2019-09-08 16:27:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_32 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_33 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_34 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_39 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_40 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_43 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_46 [2019-09-08 16:27:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_48 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_49 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_51 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_53 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_56 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_57 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_58 [2019-09-08 16:27:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_59 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_60 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_64 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_23 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_24 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_26 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_29 [2019-09-08 16:27:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_30 [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_45 [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_54 [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2019-09-08 16:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-09-08 16:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_21 [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_36 [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_41 [2019-09-08 16:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_47 [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2019-09-08 16:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 16:27:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-09-08 16:27:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 16:27:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-08 16:27:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-08 16:27:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-09-08 16:27:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2019-09-08 16:27:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:27:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:27:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:27:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pernet_operations_2 [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-09-08 16:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_18 [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2019-09-08 16:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_65 [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 16:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_50 [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 16:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_63 [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure sk_chk_filter [2019-09-08 16:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-09-08 16:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-09-08 16:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2019-09-08 16:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2019-09-08 16:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2019-09-08 16:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2019-09-08 16:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2019-09-08 16:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 16:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2019-09-08 16:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_open_1 [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_stop_1 [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:27:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:27:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:27:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:27:58,189 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:28:14,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:28:14,005 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 16:28:14,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:28:14 BoogieIcfgContainer [2019-09-08 16:28:14,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:28:14,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:28:14,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:28:14,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:28:14,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:27:51" (1/3) ... [2019-09-08 16:28:14,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5d726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:28:14, skipping insertion in model container [2019-09-08 16:28:14,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:27:56" (2/3) ... [2019-09-08 16:28:14,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5d726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:28:14, skipping insertion in model container [2019-09-08 16:28:14,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:28:14" (3/3) ... [2019-09-08 16:28:14,016 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-09-08 16:28:14,026 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:28:14,036 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:28:14,053 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:28:14,093 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:28:14,094 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:28:14,094 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:28:14,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:28:14,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:28:14,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:28:14,094 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:28:14,095 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:28:14,095 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:28:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states. [2019-09-08 16:28:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-08 16:28:14,186 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:14,188 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:14,191 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:14,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:14,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1464188484, now seen corresponding path program 1 times [2019-09-08 16:28:14,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:14,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:14,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:14,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:14,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 16:28:15,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:15,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:28:15,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:28:15,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:28:15,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:28:15,198 INFO L87 Difference]: Start difference. First operand 2870 states. Second operand 6 states. [2019-09-08 16:28:21,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:21,215 INFO L93 Difference]: Finished difference Result 8343 states and 11620 transitions. [2019-09-08 16:28:21,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:28:21,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-09-08 16:28:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:21,331 INFO L225 Difference]: With dead ends: 8343 [2019-09-08 16:28:21,333 INFO L226 Difference]: Without dead ends: 5506 [2019-09-08 16:28:21,369 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:28:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2019-09-08 16:28:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5506. [2019-09-08 16:28:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5506 states. [2019-09-08 16:28:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 7501 transitions. [2019-09-08 16:28:22,025 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 7501 transitions. Word has length 92 [2019-09-08 16:28:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:22,027 INFO L475 AbstractCegarLoop]: Abstraction has 5506 states and 7501 transitions. [2019-09-08 16:28:22,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:28:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 7501 transitions. [2019-09-08 16:28:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-08 16:28:22,048 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:22,048 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2019-09-08 16:28:22,049 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:22,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1755918706, now seen corresponding path program 1 times [2019-09-08 16:28:22,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:22,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:22,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:22,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:22,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-08 16:28:22,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:22,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:22,448 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:22,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:22,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:22,448 INFO L87 Difference]: Start difference. First operand 5506 states and 7501 transitions. Second operand 3 states. [2019-09-08 16:28:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:23,046 INFO L93 Difference]: Finished difference Result 14858 states and 20153 transitions. [2019-09-08 16:28:23,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:23,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-09-08 16:28:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:23,136 INFO L225 Difference]: With dead ends: 14858 [2019-09-08 16:28:23,136 INFO L226 Difference]: Without dead ends: 9382 [2019-09-08 16:28:23,176 INFO L628 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 [2019-09-08 16:28:23,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9382 states. [2019-09-08 16:28:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9382 to 9334. [2019-09-08 16:28:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9334 states. [2019-09-08 16:28:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9334 states to 9334 states and 12637 transitions. [2019-09-08 16:28:23,669 INFO L78 Accepts]: Start accepts. Automaton has 9334 states and 12637 transitions. Word has length 133 [2019-09-08 16:28:23,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:23,672 INFO L475 AbstractCegarLoop]: Abstraction has 9334 states and 12637 transitions. [2019-09-08 16:28:23,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 9334 states and 12637 transitions. [2019-09-08 16:28:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-09-08 16:28:23,685 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:23,686 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-09-08 16:28:23,686 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:23,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:23,686 INFO L82 PathProgramCache]: Analyzing trace with hash -572186007, now seen corresponding path program 1 times [2019-09-08 16:28:23,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:23,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:23,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:23,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:23,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 16:28:23,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:23,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:28:23,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:28:23,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:28:23,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:28:23,939 INFO L87 Difference]: Start difference. First operand 9334 states and 12637 transitions. Second operand 3 states. [2019-09-08 16:28:24,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:24,832 INFO L93 Difference]: Finished difference Result 27198 states and 37050 transitions. [2019-09-08 16:28:24,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:28:24,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-09-08 16:28:24,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:24,979 INFO L225 Difference]: With dead ends: 27198 [2019-09-08 16:28:24,980 INFO L226 Difference]: Without dead ends: 17894 [2019-09-08 16:28:25,026 INFO L628 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 [2019-09-08 16:28:25,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17894 states. [2019-09-08 16:28:26,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17894 to 17746. [2019-09-08 16:28:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17746 states. [2019-09-08 16:28:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17746 states to 17746 states and 24266 transitions. [2019-09-08 16:28:26,753 INFO L78 Accepts]: Start accepts. Automaton has 17746 states and 24266 transitions. Word has length 139 [2019-09-08 16:28:26,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:26,754 INFO L475 AbstractCegarLoop]: Abstraction has 17746 states and 24266 transitions. [2019-09-08 16:28:26,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:28:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 17746 states and 24266 transitions. [2019-09-08 16:28:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-09-08 16:28:26,773 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:26,774 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:28:26,774 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:26,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:26,775 INFO L82 PathProgramCache]: Analyzing trace with hash -310394108, now seen corresponding path program 1 times [2019-09-08 16:28:26,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:26,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:26,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:26,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:26,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-09-08 16:28:27,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:28:27,124 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:28:27,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:27,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 16:28:27,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:28:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-08 16:28:28,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:28:28,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-08 16:28:28,074 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:28:28,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:28:28,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:28:28,075 INFO L87 Difference]: Start difference. First operand 17746 states and 24266 transitions. Second operand 7 states. [2019-09-08 16:28:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:35,496 INFO L93 Difference]: Finished difference Result 68381 states and 93324 transitions. [2019-09-08 16:28:35,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 16:28:35,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2019-09-08 16:28:35,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:35,821 INFO L225 Difference]: With dead ends: 68381 [2019-09-08 16:28:35,821 INFO L226 Difference]: Without dead ends: 50595 [2019-09-08 16:28:35,933 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-09-08 16:28:36,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50595 states. [2019-09-08 16:28:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50595 to 50248. [2019-09-08 16:28:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50248 states. [2019-09-08 16:28:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50248 states to 50248 states and 68507 transitions. [2019-09-08 16:28:38,392 INFO L78 Accepts]: Start accepts. Automaton has 50248 states and 68507 transitions. Word has length 191 [2019-09-08 16:28:38,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:38,393 INFO L475 AbstractCegarLoop]: Abstraction has 50248 states and 68507 transitions. [2019-09-08 16:28:38,393 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:28:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 50248 states and 68507 transitions. [2019-09-08 16:28:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-09-08 16:28:38,406 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:38,406 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:28:38,407 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:38,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:38,407 INFO L82 PathProgramCache]: Analyzing trace with hash 967652102, now seen corresponding path program 1 times [2019-09-08 16:28:38,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:38,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:38,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:38,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:38,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-09-08 16:28:38,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:28:38,722 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:28:38,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:39,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 3863 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 16:28:39,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:28:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-09-08 16:28:40,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:28:40,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-09-08 16:28:40,992 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:28:40,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:28:40,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:40,993 INFO L87 Difference]: Start difference. First operand 50248 states and 68507 transitions. Second operand 5 states. [2019-09-08 16:28:41,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:41,892 INFO L93 Difference]: Finished difference Result 75411 states and 102804 transitions. [2019-09-08 16:28:41,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:28:41,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2019-09-08 16:28:41,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:42,032 INFO L225 Difference]: With dead ends: 75411 [2019-09-08 16:28:42,033 INFO L226 Difference]: Without dead ends: 25193 [2019-09-08 16:28:42,170 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:28:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25193 states. [2019-09-08 16:28:43,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25193 to 25182. [2019-09-08 16:28:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25182 states. [2019-09-08 16:28:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25182 states to 25182 states and 34315 transitions. [2019-09-08 16:28:43,300 INFO L78 Accepts]: Start accepts. Automaton has 25182 states and 34315 transitions. Word has length 207 [2019-09-08 16:28:43,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:43,304 INFO L475 AbstractCegarLoop]: Abstraction has 25182 states and 34315 transitions. [2019-09-08 16:28:43,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:28:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 25182 states and 34315 transitions. [2019-09-08 16:28:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-09-08 16:28:43,314 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:43,315 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:28:43,315 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:43,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:43,315 INFO L82 PathProgramCache]: Analyzing trace with hash -102735845, now seen corresponding path program 1 times [2019-09-08 16:28:43,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:43,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:43,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:43,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:43,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2019-09-08 16:28:43,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:28:43,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:28:43,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:28:43,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:28:43,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:43,604 INFO L87 Difference]: Start difference. First operand 25182 states and 34315 transitions. Second operand 5 states. [2019-09-08 16:28:44,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:44,192 INFO L93 Difference]: Finished difference Result 50406 states and 70092 transitions. [2019-09-08 16:28:44,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:28:44,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2019-09-08 16:28:44,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:44,312 INFO L225 Difference]: With dead ends: 50406 [2019-09-08 16:28:44,312 INFO L226 Difference]: Without dead ends: 25254 [2019-09-08 16:28:44,390 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:28:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25254 states. [2019-09-08 16:28:45,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25254 to 25242. [2019-09-08 16:28:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25242 states. [2019-09-08 16:28:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25242 states to 25242 states and 34433 transitions. [2019-09-08 16:28:45,234 INFO L78 Accepts]: Start accepts. Automaton has 25242 states and 34433 transitions. Word has length 217 [2019-09-08 16:28:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:45,236 INFO L475 AbstractCegarLoop]: Abstraction has 25242 states and 34433 transitions. [2019-09-08 16:28:45,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:28:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 25242 states and 34433 transitions. [2019-09-08 16:28:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-08 16:28:45,248 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:45,249 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:28:45,249 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:45,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:45,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1105211683, now seen corresponding path program 1 times [2019-09-08 16:28:45,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:45,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:45,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:45,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:45,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2019-09-08 16:28:45,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:28:45,827 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:28:45,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:28:46,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 3951 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 16:28:46,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:28:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 16:28:46,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:28:46,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-08 16:28:46,635 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:28:46,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:28:46,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:28:46,636 INFO L87 Difference]: Start difference. First operand 25242 states and 34433 transitions. Second operand 7 states. [2019-09-08 16:28:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:28:54,896 INFO L93 Difference]: Finished difference Result 50603 states and 69052 transitions. [2019-09-08 16:28:54,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:28:54,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2019-09-08 16:28:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:28:55,050 INFO L225 Difference]: With dead ends: 50603 [2019-09-08 16:28:55,050 INFO L226 Difference]: Without dead ends: 25101 [2019-09-08 16:28:55,211 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:28:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25101 states. [2019-09-08 16:28:56,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25101 to 25085. [2019-09-08 16:28:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25085 states. [2019-09-08 16:28:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25085 states to 25085 states and 34240 transitions. [2019-09-08 16:28:56,496 INFO L78 Accepts]: Start accepts. Automaton has 25085 states and 34240 transitions. Word has length 222 [2019-09-08 16:28:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:28:56,498 INFO L475 AbstractCegarLoop]: Abstraction has 25085 states and 34240 transitions. [2019-09-08 16:28:56,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:28:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25085 states and 34240 transitions. [2019-09-08 16:28:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-08 16:28:56,509 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:28:56,509 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:28:56,509 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:28:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:28:56,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1306968805, now seen corresponding path program 1 times [2019-09-08 16:28:56,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:28:56,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:28:56,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:56,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:28:56,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:28:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:29:02,369 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 19 [2019-09-08 16:29:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-09-08 16:29:02,803 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:29:02,803 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 16:29:02,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:29:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:29:04,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 4003 conjuncts, 52 conjunts are in the unsatisfiable core [2019-09-08 16:29:04,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:29:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2019-09-08 16:29:05,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:29:05,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 25 [2019-09-08 16:29:05,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-09-08 16:29:05,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-09-08 16:29:05,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2019-09-08 16:29:05,321 INFO L87 Difference]: Start difference. First operand 25085 states and 34240 transitions. Second operand 25 states. [2019-09-08 16:30:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:30:48,735 INFO L93 Difference]: Finished difference Result 59037 states and 85364 transitions. [2019-09-08 16:30:48,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-09-08 16:30:48,749 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 244 [2019-09-08 16:30:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:30:48,941 INFO L225 Difference]: With dead ends: 59037 [2019-09-08 16:30:48,941 INFO L226 Difference]: Without dead ends: 34264 [2019-09-08 16:30:49,037 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 283 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=518, Invalid=5032, Unknown=0, NotChecked=0, Total=5550 [2019-09-08 16:30:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34264 states. [2019-09-08 16:30:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34264 to 28144. [2019-09-08 16:30:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28144 states. [2019-09-08 16:30:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28144 states to 28144 states and 38911 transitions. [2019-09-08 16:30:50,570 INFO L78 Accepts]: Start accepts. Automaton has 28144 states and 38911 transitions. Word has length 244 [2019-09-08 16:30:50,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:30:50,571 INFO L475 AbstractCegarLoop]: Abstraction has 28144 states and 38911 transitions. [2019-09-08 16:30:50,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-09-08 16:30:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28144 states and 38911 transitions. [2019-09-08 16:30:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-09-08 16:30:50,601 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:30:50,601 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:30:50,602 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:30:50,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:30:50,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1956758407, now seen corresponding path program 1 times [2019-09-08 16:30:50,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:30:50,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:30:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:30:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:30:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-09-08 16:30:50,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:30:50,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:30:50,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:30:50,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:30:50,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:30:50,902 INFO L87 Difference]: Start difference. First operand 28144 states and 38911 transitions. Second operand 3 states. [2019-09-08 16:30:51,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:30:51,699 INFO L93 Difference]: Finished difference Result 41926 states and 59254 transitions. [2019-09-08 16:30:51,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:30:51,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2019-09-08 16:30:51,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:30:51,867 INFO L225 Difference]: With dead ends: 41926 [2019-09-08 16:30:51,867 INFO L226 Difference]: Without dead ends: 28168 [2019-09-08 16:30:51,932 INFO L628 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 [2019-09-08 16:30:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28168 states. [2019-09-08 16:30:52,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28168 to 28156. [2019-09-08 16:30:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28156 states. [2019-09-08 16:30:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28156 states to 28156 states and 38923 transitions. [2019-09-08 16:30:53,137 INFO L78 Accepts]: Start accepts. Automaton has 28156 states and 38923 transitions. Word has length 285 [2019-09-08 16:30:53,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:30:53,138 INFO L475 AbstractCegarLoop]: Abstraction has 28156 states and 38923 transitions. [2019-09-08 16:30:53,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:30:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 28156 states and 38923 transitions. [2019-09-08 16:30:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-09-08 16:30:53,170 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:30:53,170 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:30:53,170 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:30:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:30:53,171 INFO L82 PathProgramCache]: Analyzing trace with hash -243840858, now seen corresponding path program 1 times [2019-09-08 16:30:53,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:30:53,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:30:53,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:53,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:30:53,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:30:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-09-08 16:30:53,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:30:53,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:30:53,443 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:30:53,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:30:53,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:30:53,444 INFO L87 Difference]: Start difference. First operand 28156 states and 38923 transitions. Second operand 3 states. [2019-09-08 16:30:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:30:54,558 INFO L93 Difference]: Finished difference Result 55793 states and 78665 transitions. [2019-09-08 16:30:54,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:30:54,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-09-08 16:30:54,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:30:54,690 INFO L225 Difference]: With dead ends: 55793 [2019-09-08 16:30:54,690 INFO L226 Difference]: Without dead ends: 28195 [2019-09-08 16:30:54,781 INFO L628 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 [2019-09-08 16:30:54,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28195 states. [2019-09-08 16:30:55,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28195 to 28169. [2019-09-08 16:30:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28169 states. [2019-09-08 16:30:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28169 states to 28169 states and 38936 transitions. [2019-09-08 16:30:55,688 INFO L78 Accepts]: Start accepts. Automaton has 28169 states and 38936 transitions. Word has length 300 [2019-09-08 16:30:55,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:30:55,688 INFO L475 AbstractCegarLoop]: Abstraction has 28169 states and 38936 transitions. [2019-09-08 16:30:55,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:30:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 28169 states and 38936 transitions. [2019-09-08 16:30:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-09-08 16:30:55,717 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:30:55,717 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:30:55,717 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:30:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:30:55,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1094922565, now seen corresponding path program 1 times [2019-09-08 16:30:55,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:30:55,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:30:55,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:55,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:30:55,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:30:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2019-09-08 16:30:55,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:30:55,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:30:55,950 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:30:55,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:30:55,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:30:55,951 INFO L87 Difference]: Start difference. First operand 28169 states and 38936 transitions. Second operand 3 states. [2019-09-08 16:30:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:30:56,518 INFO L93 Difference]: Finished difference Result 54756 states and 75882 transitions. [2019-09-08 16:30:56,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:30:56,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-09-08 16:30:56,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:30:56,614 INFO L225 Difference]: With dead ends: 54756 [2019-09-08 16:30:56,614 INFO L226 Difference]: Without dead ends: 28174 [2019-09-08 16:30:56,662 INFO L628 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 [2019-09-08 16:30:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28174 states. [2019-09-08 16:30:57,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28174 to 28169. [2019-09-08 16:30:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28169 states. [2019-09-08 16:30:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28169 states to 28169 states and 38921 transitions. [2019-09-08 16:30:57,836 INFO L78 Accepts]: Start accepts. Automaton has 28169 states and 38921 transitions. Word has length 300 [2019-09-08 16:30:57,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:30:57,837 INFO L475 AbstractCegarLoop]: Abstraction has 28169 states and 38921 transitions. [2019-09-08 16:30:57,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:30:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 28169 states and 38921 transitions. [2019-09-08 16:30:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-09-08 16:30:57,866 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:30:57,866 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:30:57,867 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:30:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:30:57,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1974035162, now seen corresponding path program 1 times [2019-09-08 16:30:57,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:30:57,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:30:57,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:57,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:30:57,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:30:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:30:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-09-08 16:30:58,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:30:58,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 16:30:58,204 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:30:58,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:30:58,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:30:58,205 INFO L87 Difference]: Start difference. First operand 28169 states and 38921 transitions. Second operand 7 states. [2019-09-08 16:30:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:30:59,153 INFO L93 Difference]: Finished difference Result 54784 states and 75835 transitions. [2019-09-08 16:30:59,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:30:59,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2019-09-08 16:30:59,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:30:59,312 INFO L225 Difference]: With dead ends: 54784 [2019-09-08 16:30:59,312 INFO L226 Difference]: Without dead ends: 28205 [2019-09-08 16:30:59,385 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:30:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28205 states. [2019-09-08 16:31:00,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28205 to 28169. [2019-09-08 16:31:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28169 states. [2019-09-08 16:31:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28169 states to 28169 states and 38911 transitions. [2019-09-08 16:31:00,279 INFO L78 Accepts]: Start accepts. Automaton has 28169 states and 38911 transitions. Word has length 287 [2019-09-08 16:31:00,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:31:00,280 INFO L475 AbstractCegarLoop]: Abstraction has 28169 states and 38911 transitions. [2019-09-08 16:31:00,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:31:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 28169 states and 38911 transitions. [2019-09-08 16:31:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-08 16:31:00,296 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:31:00,296 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:31:00,296 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:31:00,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:31:00,296 INFO L82 PathProgramCache]: Analyzing trace with hash -858344482, now seen corresponding path program 1 times [2019-09-08 16:31:00,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:31:00,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:31:00,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:31:00,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:31:00,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:31:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:31:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2019-09-08 16:31:04,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:31:04,675 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:31:04,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:31:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:31:08,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 4187 conjuncts, 107 conjunts are in the unsatisfiable core [2019-09-08 16:31:08,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:31:08,786 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34063 treesize of output 33935 [2019-09-08 16:31:08,807 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-09-08 16:31:12,233 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 344 DAG size of output: 285 [2019-09-08 16:31:12,235 INFO L567 ElimStorePlain]: treesize reduction 33380, result has 1.1 percent of original size [2019-09-08 16:31:12,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 88 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,241 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 89 variables, input treesize:289, output treesize:18 [2019-09-08 16:31:12,329 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,329 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,338 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,339 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,389 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,399 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,399 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,417 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,418 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,427 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,427 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,428 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,443 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,443 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,453 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,453 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,461 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,470 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,471 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,471 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,479 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,480 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,489 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,489 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,495 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,496 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,516 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,516 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,530 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,530 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 16:31:12,622 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,623 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,638 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,638 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,719 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,719 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,729 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,730 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,730 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:12,738 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-09-08 16:31:12,738 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:12,753 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:12,754 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:14 [2019-09-08 16:31:21,391 WARN L188 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-09-08 16:31:22,526 WARN L188 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-09-08 16:31:23,657 WARN L188 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-09-08 16:31:24,892 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 28 [2019-09-08 16:31:24,904 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-08 16:31:24,920 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:24,920 INFO L464 ElimStorePlain]: Eliminatee |v_old(#memory_int)_BEFORE_CALL_15| vanished before elimination [2019-09-08 16:31:24,921 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-08 16:31:24,921 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:14 [2019-09-08 16:31:24,928 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-08 16:31:24,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-08 16:31:24,942 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-09-08 16:31:24,942 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:42 [2019-09-08 16:31:45,020 WARN L188 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-09-08 16:31:45,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:31:45,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-08 16:31:45,238 INFO L168 Benchmark]: Toolchain (without parser) took 233264.31 ms. Allocated memory was 140.0 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 72.0 MB in the beginning and 252.6 MB in the end (delta: -180.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-09-08 16:31:45,239 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 140.0 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 16:31:45,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4316.32 ms. Allocated memory was 140.0 MB in the beginning and 284.7 MB in the end (delta: 144.7 MB). Free memory was 72.0 MB in the beginning and 135.9 MB in the end (delta: -63.9 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2019-09-08 16:31:45,247 INFO L168 Benchmark]: Boogie Preprocessor took 414.85 ms. Allocated memory is still 284.7 MB. Free memory was 135.9 MB in the beginning and 88.5 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-09-08 16:31:45,248 INFO L168 Benchmark]: RCFGBuilder took 17301.21 ms. Allocated memory was 284.7 MB in the beginning and 957.3 MB in the end (delta: 672.7 MB). Free memory was 88.5 MB in the beginning and 807.2 MB in the end (delta: -718.7 MB). Peak memory consumption was 625.1 MB. Max. memory is 7.1 GB. [2019-09-08 16:31:45,249 INFO L168 Benchmark]: TraceAbstraction took 211226.26 ms. Allocated memory was 957.3 MB in the beginning and 2.7 GB in the end (delta: 1.8 GB). Free memory was 807.2 MB in the beginning and 252.6 MB in the end (delta: 554.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-09-08 16:31:45,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 140.0 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4316.32 ms. Allocated memory was 140.0 MB in the beginning and 284.7 MB in the end (delta: 144.7 MB). Free memory was 72.0 MB in the beginning and 135.9 MB in the end (delta: -63.9 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 414.85 ms. Allocated memory is still 284.7 MB. Free memory was 135.9 MB in the beginning and 88.5 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17301.21 ms. Allocated memory was 284.7 MB in the beginning and 957.3 MB in the end (delta: 672.7 MB). Free memory was 88.5 MB in the beginning and 807.2 MB in the end (delta: -718.7 MB). Peak memory consumption was 625.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211226.26 ms. Allocated memory was 957.3 MB in the beginning and 2.7 GB in the end (delta: 1.8 GB). Free memory was 807.2 MB in the beginning and 252.6 MB in the end (delta: 554.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...