/usr/bin/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-fb55353 [2019-11-06 23:35:04,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:35:04,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:35:04,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:35:04,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:35:04,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:35:04,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:35:04,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:35:04,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:35:04,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:35:04,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:35:04,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:35:04,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:35:04,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:35:04,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:35:04,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:35:04,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:35:04,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:35:04,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:35:04,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:35:04,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:35:04,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:35:04,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:35:04,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:35:04,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:35:04,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:35:04,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:35:04,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:35:04,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:35:04,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:35:04,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:35:04,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:35:04,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:35:04,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:35:04,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:35:04,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:35:04,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:35:04,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:35:04,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:35:04,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:35:04,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:35:04,498 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 [2019-11-06 23:35:04,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:35:04,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:35:04,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:35:04,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:35:04,535 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:35:04,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:35:04,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:35:04,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:35:04,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:35:04,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:35:04,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:35:04,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:35:04,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:35:04,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:35:04,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:35:04,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:35:04,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:35:04,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:35:04,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:35:04,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:35:04,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:35:04,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:35:04,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:35:04,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:35:04,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:35:04,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:35:04,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:35:04,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:35:04,545 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 [2019-11-06 23:35:04,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:35:04,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:35:04,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:35:04,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:35:04,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:35:04,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-11-06 23:35:04,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc63031a/798eac72a9bc4deea5fca1ae12171f31/FLAG3daa99b24 [2019-11-06 23:35:05,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:35:05,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-11-06 23:35:05,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc63031a/798eac72a9bc4deea5fca1ae12171f31/FLAG3daa99b24 [2019-11-06 23:35:06,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc63031a/798eac72a9bc4deea5fca1ae12171f31 [2019-11-06 23:35:06,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:35:06,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:35:06,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:35:06,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:35:06,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:35:06,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:35:06" (1/1) ... [2019-11-06 23:35:06,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28114301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:06, skipping insertion in model container [2019-11-06 23:35:06,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:35:06" (1/1) ... [2019-11-06 23:35:06,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:35:06,430 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:35:08,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:35:08,512 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:35:08,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:35:09,323 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:35:09,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09 WrapperNode [2019-11-06 23:35:09,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:35:09,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:35:09,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:35:09,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:35:09,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (1/1) ... [2019-11-06 23:35:09,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:35:09,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:35:09,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:35:09,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:35:09,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (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 [2019-11-06 23:35:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:35:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:35:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-06 23:35:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:35:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 23:35:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-11-06 23:35:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 23:35:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-06 23:35:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-06 23:35:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-11-06 23:35:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-11-06 23:35:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-06 23:35:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:35:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 23:35:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 23:35:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 23:35:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 23:35:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:35:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 23:35:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:35:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:35:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-06 23:35:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-11-06 23:35:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-11-06 23:35:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-11-06 23:35:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-11-06 23:35:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-11-06 23:35:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-11-06 23:35:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-11-06 23:35:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-11-06 23:35:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2019-11-06 23:35:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2019-11-06 23:35:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2019-11-06 23:35:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2019-11-06 23:35:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2019-11-06 23:35:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2019-11-06 23:35:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2019-11-06 23:35:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-11-06 23:35:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2019-11-06 23:35:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-11-06 23:35:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-11-06 23:35:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-11-06 23:35:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2019-11-06 23:35:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2019-11-06 23:35:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2019-11-06 23:35:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-11-06 23:35:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-11-06 23:35:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2019-11-06 23:35:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2019-11-06 23:35:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2019-11-06 23:35:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-11-06 23:35:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-11-06 23:35:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-11-06 23:35:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-11-06 23:35:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-11-06 23:35:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-11-06 23:35:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-11-06 23:35:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-11-06 23:35:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-11-06 23:35:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-11-06 23:35:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-11-06 23:35:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-11-06 23:35:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:35:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-11-06 23:35:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-11-06 23:35:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-11-06 23:35:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-11-06 23:35:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-11-06 23:35:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-11-06 23:35:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2019-11-06 23:35:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-11-06 23:35:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-11-06 23:35:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2019-11-06 23:35:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2019-11-06 23:35:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-11-06 23:35:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-11-06 23:35:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-11-06 23:35:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2019-11-06 23:35:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-11-06 23:35:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-11-06 23:35:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-11-06 23:35:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-11-06 23:35:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-11-06 23:35:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:35:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 23:35:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 23:35:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 23:35:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-11-06 23:35:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:35:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-11-06 23:35:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-11-06 23:35:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-11-06 23:35:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-11-06 23:35:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-11-06 23:35:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:35:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2019-11-06 23:35:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-11-06 23:35:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-11-06 23:35:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-06 23:35:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2019-11-06 23:35:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-11-06 23:35:09,767 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-06 23:35:09,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-11-06 23:35:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-11-06 23:35:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2019-11-06 23:35:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-11-06 23:35:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-11-06 23:35:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2019-11-06 23:35:09,776 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-11-06 23:35:09,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-11-06 23:35:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-06 23:35:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-11-06 23:35:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:35:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:35:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 23:35:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 23:35:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:35:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:35:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:35:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 23:35:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-06 23:35:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-11-06 23:35:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-11-06 23:35:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-11-06 23:35:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-11-06 23:35:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-11-06 23:35:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-11-06 23:35:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-11-06 23:35:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2019-11-06 23:35:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:35:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 23:35:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-11-06 23:35:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-11-06 23:35:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-11-06 23:35:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2019-11-06 23:35:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-11-06 23:35:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-11-06 23:35:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2019-11-06 23:35:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-11-06 23:35:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-11-06 23:35:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-11-06 23:35:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-11-06 23:35:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-11-06 23:35:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-11-06 23:35:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-11-06 23:35:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2019-11-06 23:35:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2019-11-06 23:35:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2019-11-06 23:35:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2019-11-06 23:35:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2019-11-06 23:35:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2019-11-06 23:35:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2019-11-06 23:35:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:35:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2019-11-06 23:35:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-11-06 23:35:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2019-11-06 23:35:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 23:35:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:35:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:35:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:35:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:35:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:35:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:35:10,894 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 23:35:14,169 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:35:14,169 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 23:35:14,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:35:14 BoogieIcfgContainer [2019-11-06 23:35:14,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:35:14,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:35:14,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:35:14,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:35:14,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:35:06" (1/3) ... [2019-11-06 23:35:14,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abe4d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:35:14, skipping insertion in model container [2019-11-06 23:35:14,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:09" (2/3) ... [2019-11-06 23:35:14,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abe4d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:35:14, skipping insertion in model container [2019-11-06 23:35:14,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:35:14" (3/3) ... [2019-11-06 23:35:14,181 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 [2019-11-06 23:35:14,191 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:35:14,200 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:35:14,212 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:35:14,241 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:35:14,241 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:35:14,241 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:35:14,241 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:35:14,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:35:14,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:35:14,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:35:14,242 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:35:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states. [2019-11-06 23:35:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-06 23:35:14,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:35:14,299 INFO L410 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] [2019-11-06 23:35:14,301 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:35:14,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:35:14,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1692164695, now seen corresponding path program 1 times [2019-11-06 23:35:14,318 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:35:14,318 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732151197] [2019-11-06 23:35:14,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:35:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:35:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:35:15,003 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732151197] [2019-11-06 23:35:15,004 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:35:15,004 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:35:15,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354544273] [2019-11-06 23:35:15,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:35:15,014 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:35:15,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:35:15,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:35:15,032 INFO L87 Difference]: Start difference. First operand 1127 states. Second operand 3 states. [2019-11-06 23:35:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:35:15,587 INFO L93 Difference]: Finished difference Result 2469 states and 3397 transitions. [2019-11-06 23:35:15,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:35:15,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-06 23:35:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:35:15,625 INFO L225 Difference]: With dead ends: 2469 [2019-11-06 23:35:15,625 INFO L226 Difference]: Without dead ends: 1605 [2019-11-06 23:35:15,639 INFO L630 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 [2019-11-06 23:35:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2019-11-06 23:35:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2019-11-06 23:35:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1605 states. [2019-11-06 23:35:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2157 transitions. [2019-11-06 23:35:15,835 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2157 transitions. Word has length 58 [2019-11-06 23:35:15,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:35:15,836 INFO L462 AbstractCegarLoop]: Abstraction has 1605 states and 2157 transitions. [2019-11-06 23:35:15,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:35:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2157 transitions. [2019-11-06 23:35:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-06 23:35:15,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:35:15,842 INFO L410 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] [2019-11-06 23:35:15,843 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:35:15,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:35:15,843 INFO L82 PathProgramCache]: Analyzing trace with hash 719836459, now seen corresponding path program 1 times [2019-11-06 23:35:15,843 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:35:15,844 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5195455] [2019-11-06 23:35:15,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:35:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:35:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:35:16,238 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5195455] [2019-11-06 23:35:16,239 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:35:16,239 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:35:16,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988903539] [2019-11-06 23:35:16,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:35:16,241 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:35:16,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:35:16,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:35:16,242 INFO L87 Difference]: Start difference. First operand 1605 states and 2157 transitions. Second operand 6 states. [2019-11-06 23:35:17,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:35:17,618 INFO L93 Difference]: Finished difference Result 4778 states and 6509 transitions. [2019-11-06 23:35:17,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:35:17,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-11-06 23:35:17,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:35:17,645 INFO L225 Difference]: With dead ends: 4778 [2019-11-06 23:35:17,646 INFO L226 Difference]: Without dead ends: 3170 [2019-11-06 23:35:17,656 INFO L630 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 [2019-11-06 23:35:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2019-11-06 23:35:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2019-11-06 23:35:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2019-11-06 23:35:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4317 transitions. [2019-11-06 23:35:17,812 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4317 transitions. Word has length 67 [2019-11-06 23:35:17,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:35:17,814 INFO L462 AbstractCegarLoop]: Abstraction has 3170 states and 4317 transitions. [2019-11-06 23:35:17,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:35:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4317 transitions. [2019-11-06 23:35:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-06 23:35:17,835 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:35:17,836 INFO L410 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] [2019-11-06 23:35:17,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:35:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:35:17,837 INFO L82 PathProgramCache]: Analyzing trace with hash 513913028, now seen corresponding path program 1 times [2019-11-06 23:35:17,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:35:17,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943891958] [2019-11-06 23:35:17,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:35:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:35:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-06 23:35:18,246 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943891958] [2019-11-06 23:35:18,246 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:35:18,247 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:35:18,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281521534] [2019-11-06 23:35:18,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:35:18,248 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:35:18,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:35:18,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:35:18,248 INFO L87 Difference]: Start difference. First operand 3170 states and 4317 transitions. Second operand 5 states. [2019-11-06 23:35:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:35:18,382 INFO L93 Difference]: Finished difference Result 6343 states and 8737 transitions. [2019-11-06 23:35:18,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:35:18,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-11-06 23:35:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:35:18,428 INFO L225 Difference]: With dead ends: 6343 [2019-11-06 23:35:18,429 INFO L226 Difference]: Without dead ends: 3194 [2019-11-06 23:35:18,447 INFO L630 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 [2019-11-06 23:35:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2019-11-06 23:35:18,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 3190. [2019-11-06 23:35:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3190 states. [2019-11-06 23:35:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4356 transitions. [2019-11-06 23:35:18,622 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4356 transitions. Word has length 199 [2019-11-06 23:35:18,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:35:18,622 INFO L462 AbstractCegarLoop]: Abstraction has 3190 states and 4356 transitions. [2019-11-06 23:35:18,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:35:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4356 transitions. [2019-11-06 23:35:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-06 23:35:18,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:35:18,639 INFO L410 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, 1, 1, 1, 1, 1, 1] [2019-11-06 23:35:18,639 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:35:18,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:35:18,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1593460271, now seen corresponding path program 1 times [2019-11-06 23:35:18,639 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:35:18,641 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600813284] [2019-11-06 23:35:18,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:35:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:35:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-06 23:35:19,077 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600813284] [2019-11-06 23:35:19,077 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:35:19,077 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 23:35:19,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346676348] [2019-11-06 23:35:19,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 23:35:19,079 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:35:19,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 23:35:19,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:35:19,080 INFO L87 Difference]: Start difference. First operand 3190 states and 4356 transitions. Second operand 8 states. [2019-11-06 23:35:19,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:35:19,305 INFO L93 Difference]: Finished difference Result 6407 states and 8807 transitions. [2019-11-06 23:35:19,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 23:35:19,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2019-11-06 23:35:19,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:35:19,329 INFO L225 Difference]: With dead ends: 6407 [2019-11-06 23:35:19,329 INFO L226 Difference]: Without dead ends: 3238 [2019-11-06 23:35:19,348 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-06 23:35:19,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2019-11-06 23:35:19,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3226. [2019-11-06 23:35:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3226 states. [2019-11-06 23:35:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 4396 transitions. [2019-11-06 23:35:19,494 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 4396 transitions. Word has length 204 [2019-11-06 23:35:19,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:35:19,494 INFO L462 AbstractCegarLoop]: Abstraction has 3226 states and 4396 transitions. [2019-11-06 23:35:19,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 23:35:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 4396 transitions. [2019-11-06 23:35:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-06 23:35:19,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:35:19,511 INFO L410 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] [2019-11-06 23:35:19,512 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:35:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:35:19,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1752283299, now seen corresponding path program 1 times [2019-11-06 23:35:19,513 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:35:19,513 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217864930] [2019-11-06 23:35:19,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:35:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:35:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-06 23:35:19,829 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217864930] [2019-11-06 23:35:19,829 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:35:19,830 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:35:19,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97196501] [2019-11-06 23:35:19,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:35:19,831 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:35:19,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:35:19,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:35:19,832 INFO L87 Difference]: Start difference. First operand 3226 states and 4396 transitions. Second operand 7 states. [2019-11-06 23:35:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:35:29,081 INFO L93 Difference]: Finished difference Result 13124 states and 18079 transitions. [2019-11-06 23:35:29,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 23:35:29,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2019-11-06 23:35:29,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:35:29,149 INFO L225 Difference]: With dead ends: 13124 [2019-11-06 23:35:29,149 INFO L226 Difference]: Without dead ends: 9919 [2019-11-06 23:35:29,167 INFO L630 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 [2019-11-06 23:35:29,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9919 states. [2019-11-06 23:35:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9919 to 9863. [2019-11-06 23:35:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9863 states. [2019-11-06 23:35:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9863 states to 9863 states and 13576 transitions. [2019-11-06 23:35:29,611 INFO L78 Accepts]: Start accepts. Automaton has 9863 states and 13576 transitions. Word has length 205 [2019-11-06 23:35:29,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:35:29,612 INFO L462 AbstractCegarLoop]: Abstraction has 9863 states and 13576 transitions. [2019-11-06 23:35:29,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 23:35:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 9863 states and 13576 transitions. [2019-11-06 23:35:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-11-06 23:35:29,642 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:35:29,643 INFO L410 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] [2019-11-06 23:35:29,643 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:35:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:35:29,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1178964433, now seen corresponding path program 1 times [2019-11-06 23:35:29,644 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:35:29,649 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844754622] [2019-11-06 23:35:29,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:35:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:35:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-06 23:35:29,979 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844754622] [2019-11-06 23:35:29,979 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:35:29,980 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:35:29,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869471277] [2019-11-06 23:35:29,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:35:29,981 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:35:29,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:35:29,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:35:29,982 INFO L87 Difference]: Start difference. First operand 9863 states and 13576 transitions. Second operand 7 states. [2019-11-06 23:35:39,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:35:39,532 INFO L93 Difference]: Finished difference Result 40138 states and 56065 transitions. [2019-11-06 23:35:39,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 23:35:39,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2019-11-06 23:35:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:35:39,772 INFO L225 Difference]: With dead ends: 40138 [2019-11-06 23:35:39,772 INFO L226 Difference]: Without dead ends: 30305