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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:31:30,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:31:30,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:31:30,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:31:30,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:31:30,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:31:30,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:31:30,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:31:30,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:31:30,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:31:30,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:31:30,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:31:30,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:31:30,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:31:30,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:31:30,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:31:30,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:31:30,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:31:30,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:31:30,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:31:30,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:31:30,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:31:30,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:31:30,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:31:30,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:31:30,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:31:30,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:31:30,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:31:30,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:31:30,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:31:30,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:31:30,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:31:30,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:31:30,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:31:30,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:31:30,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:31:30,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:31:30,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:31:30,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:31:30,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:31:30,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:31:30,666 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 [2019-10-15 00:31:30,687 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:31:30,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:31:30,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:31:30,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:31:30,692 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:31:30,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:31:30,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:31:30,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:31:30,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:31:30,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:31:30,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:31:30,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:31:30,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:31:30,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:31:30,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:31:30,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:31:30,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:31:30,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:31:30,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:31:30,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:31:30,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:31:30,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:31:30,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:31:30,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:31:30,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:31:30,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:31:30,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:31:30,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:31:30,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:31:31,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:31:31,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:31:31,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:31:31,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:31:31,032 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:31:31,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-15 00:31:31,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d84235b/0fb506d687604de3a21bdf4a679a951d/FLAG9b8961b25 [2019-10-15 00:31:31,933 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:31:31,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-15 00:31:31,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d84235b/0fb506d687604de3a21bdf4a679a951d/FLAG9b8961b25 [2019-10-15 00:31:32,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d84235b/0fb506d687604de3a21bdf4a679a951d [2019-10-15 00:31:32,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:31:32,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:31:32,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:31:32,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:31:32,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:31:32,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:31:32" (1/1) ... [2019-10-15 00:31:32,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227cacdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:32, skipping insertion in model container [2019-10-15 00:31:32,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:31:32" (1/1) ... [2019-10-15 00:31:32,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:31:32,588 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:31:34,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:31:34,871 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:31:35,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:31:35,547 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:31:35,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35 WrapperNode [2019-10-15 00:31:35,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:31:35,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:31:35,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:31:35,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:31:35,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (1/1) ... [2019-10-15 00:31:35,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:31:35,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:31:35,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:31:35,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:31:35,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (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 [2019-10-15 00:31:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:31:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:31:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 00:31:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:31:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:31:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 00:31:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:31:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 00:31:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 00:31:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-15 00:31:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-10-15 00:31:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 00:31:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:31:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:31:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:31:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:31:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:31:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:31:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:31:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:31:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:31:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 00:31:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-15 00:31:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-10-15 00:31:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-10-15 00:31:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-10-15 00:31:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2019-10-15 00:31:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2019-10-15 00:31:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2019-10-15 00:31:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2019-10-15 00:31:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2019-10-15 00:31:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2019-10-15 00:31:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2019-10-15 00:31:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2019-10-15 00:31:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-15 00:31:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-15 00:31:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-15 00:31:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-15 00:31:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-15 00:31:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2019-10-15 00:31:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2019-10-15 00:31:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2019-10-15 00:31:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2019-10-15 00:31:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2019-10-15 00:31:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2019-10-15 00:31:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-15 00:31:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-15 00:31:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2019-10-15 00:31:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2019-10-15 00:31:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2019-10-15 00:31:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-15 00:31:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-15 00:31:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 00:31:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 00:31:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 00:31:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 00:31:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-15 00:31:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-15 00:31:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-15 00:31:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-15 00:31:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-15 00:31:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-15 00:31:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:31:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-15 00:31:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-15 00:31:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-15 00:31:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-15 00:31:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-15 00:31:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-15 00:31:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-10-15 00:31:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-10-15 00:31:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-10-15 00:31:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-10-15 00:31:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-15 00:31:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-10-15 00:31:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-15 00:31:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-15 00:31:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-15 00:31:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-15 00:31:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-15 00:31:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-15 00:31:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-15 00:31:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:31:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:31:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:31:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:31:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-15 00:31:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:31:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-15 00:31:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-15 00:31:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-15 00:31:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-15 00:31:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-15 00:31:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:31:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2019-10-15 00:31:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-15 00:31:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-15 00:31:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 00:31:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2019-10-15 00:31:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-10-15 00:31:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 00:31:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-10-15 00:31:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-15 00:31:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2019-10-15 00:31:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-10-15 00:31:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-10-15 00:31:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2019-10-15 00:31:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-10-15 00:31:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 00:31:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-15 00:31:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-15 00:31:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-15 00:31:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-15 00:31:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-10-15 00:31:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:31:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 00:31:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-10-15 00:31:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-10-15 00:31:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-10-15 00:31:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:31:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:31:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:31:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:31:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:31:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:31:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:31:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 00:31:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-15 00:31:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-10-15 00:31:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:31:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-15 00:31:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-15 00:31:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:31:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:31:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:31:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-15 00:31:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2019-10-15 00:31:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-15 00:31:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-15 00:31:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-15 00:31:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-15 00:31:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-15 00:31:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-15 00:31:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-15 00:31:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2019-10-15 00:31:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-15 00:31:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-10-15 00:31:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-10-15 00:31:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-10-15 00:31:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-10-15 00:31:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-10-15 00:31:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-10-15 00:31:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:31:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:31:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-10-15 00:31:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-10-15 00:31:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-10-15 00:31:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-10-15 00:31:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2019-10-15 00:31:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2019-10-15 00:31:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2019-10-15 00:31:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 00:31:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-10-15 00:31:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2019-10-15 00:31:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-15 00:31:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-15 00:31:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:31:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:31:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:31:37,018 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:31:40,529 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:31:40,530 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 00:31:40,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:31:40 BoogieIcfgContainer [2019-10-15 00:31:40,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:31:40,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:31:40,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:31:40,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:31:40,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:31:32" (1/3) ... [2019-10-15 00:31:40,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3faa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:31:40, skipping insertion in model container [2019-10-15 00:31:40,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:31:35" (2/3) ... [2019-10-15 00:31:40,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3faa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:31:40, skipping insertion in model container [2019-10-15 00:31:40,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:31:40" (3/3) ... [2019-10-15 00:31:40,540 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-15 00:31:40,551 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:31:40,562 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:31:40,572 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:31:40,603 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:31:40,603 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:31:40,603 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:31:40,604 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:31:40,604 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:31:40,604 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:31:40,604 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:31:40,604 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:31:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states. [2019-10-15 00:31:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 00:31:40,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:40,666 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:31:40,669 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:40,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1692164695, now seen corresponding path program 1 times [2019-10-15 00:31:40,685 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:40,685 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584822127] [2019-10-15 00:31:40,685 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:40,685 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:40,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:31:41,473 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584822127] [2019-10-15 00:31:41,474 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:41,474 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:31:41,474 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502639505] [2019-10-15 00:31:41,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:31:41,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:41,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:31:41,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:31:41,499 INFO L87 Difference]: Start difference. First operand 1127 states. Second operand 3 states. [2019-10-15 00:31:42,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:42,209 INFO L93 Difference]: Finished difference Result 2469 states and 3397 transitions. [2019-10-15 00:31:42,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:31:42,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-15 00:31:42,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:42,253 INFO L225 Difference]: With dead ends: 2469 [2019-10-15 00:31:42,254 INFO L226 Difference]: Without dead ends: 1605 [2019-10-15 00:31:42,267 INFO L600 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 [2019-10-15 00:31:42,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2019-10-15 00:31:42,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2019-10-15 00:31:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1605 states. [2019-10-15 00:31:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2157 transitions. [2019-10-15 00:31:42,490 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2157 transitions. Word has length 58 [2019-10-15 00:31:42,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:42,492 INFO L462 AbstractCegarLoop]: Abstraction has 1605 states and 2157 transitions. [2019-10-15 00:31:42,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:31:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2157 transitions. [2019-10-15 00:31:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-15 00:31:42,509 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:42,510 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:31:42,510 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:42,511 INFO L82 PathProgramCache]: Analyzing trace with hash 719836459, now seen corresponding path program 1 times [2019-10-15 00:31:42,511 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:42,511 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550157451] [2019-10-15 00:31:42,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:42,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:42,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:31:42,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550157451] [2019-10-15 00:31:42,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:42,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:31:42,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515058157] [2019-10-15 00:31:42,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:31:42,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:42,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:31:42,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:31:42,869 INFO L87 Difference]: Start difference. First operand 1605 states and 2157 transitions. Second operand 6 states. [2019-10-15 00:31:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:44,412 INFO L93 Difference]: Finished difference Result 4778 states and 6509 transitions. [2019-10-15 00:31:44,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:31:44,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-15 00:31:44,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:44,447 INFO L225 Difference]: With dead ends: 4778 [2019-10-15 00:31:44,448 INFO L226 Difference]: Without dead ends: 3170 [2019-10-15 00:31:44,460 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 00:31:44,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2019-10-15 00:31:44,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2019-10-15 00:31:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2019-10-15 00:31:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4317 transitions. [2019-10-15 00:31:44,629 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4317 transitions. Word has length 67 [2019-10-15 00:31:44,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:44,630 INFO L462 AbstractCegarLoop]: Abstraction has 3170 states and 4317 transitions. [2019-10-15 00:31:44,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:31:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4317 transitions. [2019-10-15 00:31:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-15 00:31:44,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:44,655 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2019-10-15 00:31:44,656 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:44,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:44,656 INFO L82 PathProgramCache]: Analyzing trace with hash -294029054, now seen corresponding path program 1 times [2019-10-15 00:31:44,657 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:44,657 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802309714] [2019-10-15 00:31:44,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:44,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:44,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-15 00:31:45,078 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802309714] [2019-10-15 00:31:45,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:45,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:31:45,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724016545] [2019-10-15 00:31:45,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:31:45,081 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:45,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:31:45,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:31:45,082 INFO L87 Difference]: Start difference. First operand 3170 states and 4317 transitions. Second operand 7 states. [2019-10-15 00:31:55,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:55,136 INFO L93 Difference]: Finished difference Result 12882 states and 17737 transitions. [2019-10-15 00:31:55,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 00:31:55,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2019-10-15 00:31:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:55,264 INFO L225 Difference]: With dead ends: 12882 [2019-10-15 00:31:55,265 INFO L226 Difference]: Without dead ends: 9733 [2019-10-15 00:31:55,281 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-15 00:31:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9733 states. [2019-10-15 00:31:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9733 to 9679. [2019-10-15 00:31:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9679 states. [2019-10-15 00:31:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9679 states to 9679 states and 13314 transitions. [2019-10-15 00:31:55,737 INFO L78 Accepts]: Start accepts. Automaton has 9679 states and 13314 transitions. Word has length 198 [2019-10-15 00:31:55,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:55,740 INFO L462 AbstractCegarLoop]: Abstraction has 9679 states and 13314 transitions. [2019-10-15 00:31:55,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:31:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 9679 states and 13314 transitions. [2019-10-15 00:31:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-15 00:31:55,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:55,770 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2019-10-15 00:31:55,770 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:55,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:55,771 INFO L82 PathProgramCache]: Analyzing trace with hash 513913028, now seen corresponding path program 1 times [2019-10-15 00:31:55,771 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:55,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113833117] [2019-10-15 00:31:55,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:55,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:55,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 00:31:56,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113833117] [2019-10-15 00:31:56,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:56,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:31:56,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700801644] [2019-10-15 00:31:56,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:31:56,088 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:56,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:31:56,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:31:56,089 INFO L87 Difference]: Start difference. First operand 9679 states and 13314 transitions. Second operand 5 states. [2019-10-15 00:31:56,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:31:56,380 INFO L93 Difference]: Finished difference Result 19402 states and 26965 transitions. [2019-10-15 00:31:56,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:31:56,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-10-15 00:31:56,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:31:56,442 INFO L225 Difference]: With dead ends: 19402 [2019-10-15 00:31:56,443 INFO L226 Difference]: Without dead ends: 9753 [2019-10-15 00:31:56,482 INFO L600 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 [2019-10-15 00:31:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9753 states. [2019-10-15 00:31:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9753 to 9739. [2019-10-15 00:31:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9739 states. [2019-10-15 00:31:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9739 states to 9739 states and 13428 transitions. [2019-10-15 00:31:56,999 INFO L78 Accepts]: Start accepts. Automaton has 9739 states and 13428 transitions. Word has length 199 [2019-10-15 00:31:57,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:31:57,000 INFO L462 AbstractCegarLoop]: Abstraction has 9739 states and 13428 transitions. [2019-10-15 00:31:57,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:31:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9739 states and 13428 transitions. [2019-10-15 00:31:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-15 00:31:57,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:31:57,035 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-10-15 00:31:57,035 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:31:57,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:31:57,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1972295473, now seen corresponding path program 1 times [2019-10-15 00:31:57,036 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:31:57,036 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094040732] [2019-10-15 00:31:57,036 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:57,036 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:31:57,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:31:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:31:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-15 00:31:57,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094040732] [2019-10-15 00:31:57,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:31:57,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:31:57,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641668353] [2019-10-15 00:31:57,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:31:57,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:31:57,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:31:57,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:31:57,286 INFO L87 Difference]: Start difference. First operand 9739 states and 13428 transitions. Second operand 7 states.