/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 23:15:55,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 23:15:55,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 23:15:55,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 23:15:55,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 23:15:55,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 23:15:55,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 23:15:55,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 23:15:55,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 23:15:55,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 23:15:55,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 23:15:55,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 23:15:55,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 23:15:55,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 23:15:55,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 23:15:55,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 23:15:55,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 23:15:55,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 23:15:55,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 23:15:55,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 23:15:55,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 23:15:55,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 23:15:55,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 23:15:55,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 23:15:55,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 23:15:55,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 23:15:55,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 23:15:55,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 23:15:55,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 23:15:55,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 23:15:55,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 23:15:55,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 23:15:55,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 23:15:55,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 23:15:55,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 23:15:55,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 23:15:55,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 23:15:55,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 23:15:55,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 23:15:55,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 23:15:55,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 23:15:55,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-27 23:15:56,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 23:15:56,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 23:15:56,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 23:15:56,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 23:15:56,006 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 23:15:56,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 23:15:56,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 23:15:56,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 23:15:56,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 23:15:56,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 23:15:56,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 23:15:56,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 23:15:56,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 23:15:56,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 23:15:56,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 23:15:56,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 23:15:56,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 23:15:56,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 23:15:56,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 23:15:56,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 23:15:56,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 23:15:56,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 23:15:56,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 23:15:56,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 23:15:56,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 23:15:56,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 23:15:56,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-27 23:15:56,011 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-27 23:15:56,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 23:15:56,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 23:15:56,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 23:15:56,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 23:15:56,528 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 23:15:56,530 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-08-27 23:15:56,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d52ac27b0/3278c51249384e48afd360600619b49e/FLAGedd89e88b [2020-08-27 23:15:57,469 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 23:15:57,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-08-27 23:15:57,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d52ac27b0/3278c51249384e48afd360600619b49e/FLAGedd89e88b [2020-08-27 23:15:58,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d52ac27b0/3278c51249384e48afd360600619b49e [2020-08-27 23:15:58,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 23:15:58,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 23:15:58,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 23:15:58,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 23:15:58,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 23:15:58,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:15:58" (1/1) ... [2020-08-27 23:15:58,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd3d118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:58, skipping insertion in model container [2020-08-27 23:15:58,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:15:58" (1/1) ... [2020-08-27 23:15:58,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 23:15:58,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 23:15:59,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:15:59,672 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 23:15:59,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:15:59,930 INFO L208 MainTranslator]: Completed translation [2020-08-27 23:15:59,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59 WrapperNode [2020-08-27 23:15:59,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 23:15:59,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 23:15:59,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 23:15:59,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 23:15:59,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:15:59,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:15:59,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:15:59,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:16:00,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:16:00,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:16:00,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... [2020-08-27 23:16:00,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 23:16:00,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 23:16:00,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 23:16:00,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 23:16:00,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-27 23:16:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 23:16:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 23:16:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-08-27 23:16:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-08-27 23:16:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-08-27 23:16:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-08-27 23:16:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-08-27 23:16:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-08-27 23:16:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-08-27 23:16:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-27 23:16:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-08-27 23:16:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-08-27 23:16:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-08-27 23:16:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-08-27 23:16:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-08-27 23:16:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-08-27 23:16:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-08-27 23:16:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-27 23:16:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-27 23:16:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-27 23:16:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-27 23:16:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-27 23:16:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-27 23:16:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-27 23:16:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-27 23:16:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-27 23:16:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-08-27 23:16:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-08-27 23:16:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-08-27 23:16:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-08-27 23:16:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-08-27 23:16:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-08-27 23:16:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-08-27 23:16:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-08-27 23:16:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-08-27 23:16:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-08-27 23:16:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-08-27 23:16:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-08-27 23:16:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-08-27 23:16:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-08-27 23:16:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-08-27 23:16:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-08-27 23:16:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-08-27 23:16:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-08-27 23:16:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 23:16:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-08-27 23:16:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-08-27 23:16:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-08-27 23:16:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-08-27 23:16:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-08-27 23:16:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-08-27 23:16:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-08-27 23:16:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-08-27 23:16:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-08-27 23:16:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-08-27 23:16:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-08-27 23:16:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-08-27 23:16:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-27 23:16:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-27 23:16:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-27 23:16:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-27 23:16:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-08-27 23:16:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-27 23:16:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-08-27 23:16:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-08-27 23:16:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-08-27 23:16:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-08-27 23:16:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-08-27 23:16:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-27 23:16:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-08-27 23:16:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-08-27 23:16:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-08-27 23:16:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-08-27 23:16:00,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-08-27 23:16:00,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-08-27 23:16:00,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-08-27 23:16:00,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-08-27 23:16:00,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-08-27 23:16:00,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-08-27 23:16:00,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-08-27 23:16:00,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-08-27 23:16:00,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-08-27 23:16:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-08-27 23:16:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-08-27 23:16:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-08-27 23:16:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-08-27 23:16:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-08-27 23:16:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-08-27 23:16:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-08-27 23:16:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-08-27 23:16:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-08-27 23:16:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-08-27 23:16:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-08-27 23:16:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-08-27 23:16:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-27 23:16:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-27 23:16:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-27 23:16:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-08-27 23:16:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 23:16:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-27 23:16:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-08-27 23:16:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-08-27 23:16:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-08-27 23:16:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 23:16:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-08-27 23:16:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-08-27 23:16:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-08-27 23:16:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-08-27 23:16:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-27 23:16:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-08-27 23:16:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-08-27 23:16:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-27 23:16:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 23:16:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-08-27 23:16:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-08-27 23:16:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-08-27 23:16:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-08-27 23:16:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-08-27 23:16:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-08-27 23:16:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-08-27 23:16:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-08-27 23:16:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 23:16:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-08-27 23:16:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-08-27 23:16:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-08-27 23:16:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 23:16:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-08-27 23:16:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-08-27 23:16:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-08-27 23:16:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-08-27 23:16:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-08-27 23:16:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-08-27 23:16:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-08-27 23:16:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-08-27 23:16:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 23:16:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-27 23:16:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 23:16:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-27 23:16:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-27 23:16:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-27 23:16:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-27 23:16:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 23:16:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-27 23:16:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-27 23:16:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-27 23:16:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-27 23:16:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-27 23:16:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-27 23:16:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-27 23:16:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-08-27 23:16:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-08-27 23:16:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-08-27 23:16:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-08-27 23:16:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-08-27 23:16:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-08-27 23:16:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-08-27 23:16:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-08-27 23:16:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-08-27 23:16:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-08-27 23:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-08-27 23:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-08-27 23:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-08-27 23:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-08-27 23:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-08-27 23:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-08-27 23:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-08-27 23:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-08-27 23:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-08-27 23:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-08-27 23:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-08-27 23:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-08-27 23:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-08-27 23:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-08-27 23:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-08-27 23:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-08-27 23:16:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-08-27 23:16:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-08-27 23:16:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-08-27 23:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-08-27 23:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-08-27 23:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 23:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-08-27 23:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-08-27 23:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-08-27 23:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-08-27 23:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 23:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-08-27 23:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-08-27 23:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-08-27 23:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-08-27 23:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-27 23:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-27 23:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 23:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-27 23:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-08-27 23:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-08-27 23:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-08-27 23:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-08-27 23:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-08-27 23:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-27 23:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-27 23:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-27 23:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-27 23:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-08-27 23:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-08-27 23:16:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-08-27 23:16:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-08-27 23:16:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-08-27 23:16:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-27 23:16:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 23:16:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-27 23:16:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 23:16:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-27 23:16:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-27 23:16:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-27 23:16:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 23:16:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-08-27 23:16:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-08-27 23:16:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-08-27 23:16:01,213 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-27 23:16:03,848 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 23:16:03,848 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-27 23:16:03,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:16:03 BoogieIcfgContainer [2020-08-27 23:16:03,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 23:16:03,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 23:16:03,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 23:16:03,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 23:16:03,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:15:58" (1/3) ... [2020-08-27 23:16:03,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412589bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:16:03, skipping insertion in model container [2020-08-27 23:16:03,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:59" (2/3) ... [2020-08-27 23:16:03,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412589bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:16:03, skipping insertion in model container [2020-08-27 23:16:03,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:16:03" (3/3) ... [2020-08-27 23:16:03,875 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-08-27 23:16:03,887 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 23:16:03,900 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 23:16:03,924 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 23:16:03,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 23:16:03,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 23:16:03,963 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 23:16:03,963 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 23:16:03,963 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 23:16:03,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 23:16:03,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 23:16:03,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 23:16:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states. [2020-08-27 23:16:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-27 23:16:04,038 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 23:16:04,039 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-27 23:16:04,040 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 23:16:04,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 23:16:04,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1715961346, now seen corresponding path program 1 times [2020-08-27 23:16:04,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 23:16:04,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877708995] [2020-08-27 23:16:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 23:16:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 23:16:04,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 23:16:04,513 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-27 23:16:04,524 INFO L168 Benchmark]: Toolchain (without parser) took 6496.45 ms. Allocated memory was 137.9 MB in the beginning and 373.8 MB in the end (delta: 235.9 MB). Free memory was 92.8 MB in the beginning and 207.1 MB in the end (delta: -114.3 MB). Peak memory consumption was 121.6 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:04,525 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 23:16:04,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1907.62 ms. Allocated memory was 137.9 MB in the beginning and 220.7 MB in the end (delta: 82.8 MB). Free memory was 92.6 MB in the beginning and 113.3 MB in the end (delta: -20.7 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:04,535 INFO L168 Benchmark]: Boogie Preprocessor took 197.11 ms. Allocated memory is still 220.7 MB. Free memory was 113.3 MB in the beginning and 103.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:04,538 INFO L168 Benchmark]: RCFGBuilder took 3728.13 ms. Allocated memory was 220.7 MB in the beginning and 373.8 MB in the end (delta: 153.1 MB). Free memory was 103.2 MB in the beginning and 243.8 MB in the end (delta: -140.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:04,543 INFO L168 Benchmark]: TraceAbstraction took 651.43 ms. Allocated memory is still 373.8 MB. Free memory was 243.8 MB in the beginning and 207.1 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:04,548 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1907.62 ms. Allocated memory was 137.9 MB in the beginning and 220.7 MB in the end (delta: 82.8 MB). Free memory was 92.6 MB in the beginning and 113.3 MB in the end (delta: -20.7 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 197.11 ms. Allocated memory is still 220.7 MB. Free memory was 113.3 MB in the beginning and 103.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3728.13 ms. Allocated memory was 220.7 MB in the beginning and 373.8 MB in the end (delta: 153.1 MB). Free memory was 103.2 MB in the beginning and 243.8 MB in the end (delta: -140.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 651.43 ms. Allocated memory is still 373.8 MB. Free memory was 243.8 MB in the beginning and 207.1 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...