/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-08-28 03:36:30,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 03:36:30,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 03:36:30,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 03:36:30,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 03:36:30,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 03:36:30,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 03:36:30,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 03:36:30,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 03:36:30,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 03:36:30,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 03:36:30,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 03:36:30,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 03:36:30,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 03:36:30,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 03:36:30,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 03:36:30,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 03:36:30,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 03:36:30,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 03:36:30,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 03:36:30,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 03:36:30,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 03:36:30,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 03:36:30,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 03:36:30,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 03:36:30,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 03:36:30,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 03:36:30,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 03:36:30,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 03:36:30,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 03:36:30,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 03:36:30,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 03:36:30,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 03:36:30,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 03:36:30,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 03:36:30,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 03:36:30,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 03:36:30,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 03:36:30,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 03:36:30,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 03:36:30,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 03:36:30,461 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 [2020-08-28 03:36:30,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 03:36:30,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 03:36:30,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 03:36:30,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 03:36:30,489 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 03:36:30,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 03:36:30,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 03:36:30,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 03:36:30,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 03:36:30,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 03:36:30,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 03:36:30,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 03:36:30,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 03:36:30,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 03:36:30,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 03:36:30,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 03:36:30,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 03:36:30,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 03:36:30,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 03:36:30,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 03:36:30,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 03:36:30,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 03:36:30,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 03:36:30,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 03:36:30,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 03:36:30,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 03:36:30,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-28 03:36:30,494 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 -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-28 03:36:30,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 03:36:31,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 03:36:31,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 03:36:31,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 03:36:31,023 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 03:36:31,024 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-08-28 03:36:31,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24b3a6367/5e686f64fbda43cabaf721843ec03d64/FLAG1e735896c [2020-08-28 03:36:32,012 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 03:36:32,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-08-28 03:36:32,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24b3a6367/5e686f64fbda43cabaf721843ec03d64/FLAG1e735896c [2020-08-28 03:36:32,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24b3a6367/5e686f64fbda43cabaf721843ec03d64 [2020-08-28 03:36:32,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 03:36:32,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 03:36:32,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 03:36:32,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 03:36:32,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 03:36:32,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:36:32" (1/1) ... [2020-08-28 03:36:32,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbdf966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:32, skipping insertion in model container [2020-08-28 03:36:32,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:36:32" (1/1) ... [2020-08-28 03:36:32,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 03:36:32,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 03:36:34,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:36:34,246 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 03:36:34,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:36:34,563 INFO L208 MainTranslator]: Completed translation [2020-08-28 03:36:34,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34 WrapperNode [2020-08-28 03:36:34,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 03:36:34,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 03:36:34,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 03:36:34,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 03:36:34,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (1/1) ... [2020-08-28 03:36:34,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 03:36:34,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 03:36:34,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 03:36:34,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 03:36:34,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (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 [2020-08-28 03:36:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 03:36:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 03:36:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-08-28 03:36:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-08-28 03:36:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-08-28 03:36:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-08-28 03:36:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-08-28 03:36:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-08-28 03:36:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-08-28 03:36:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-28 03:36:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-08-28 03:36:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-08-28 03:36:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-08-28 03:36:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-08-28 03:36:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-08-28 03:36:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-08-28 03:36:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-08-28 03:36:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-28 03:36:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-28 03:36:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-28 03:36:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-28 03:36:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-28 03:36:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-28 03:36:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-28 03:36:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-28 03:36:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-28 03:36:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-08-28 03:36:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-08-28 03:36:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-08-28 03:36:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-08-28 03:36:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-08-28 03:36:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-08-28 03:36:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-08-28 03:36:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-08-28 03:36:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-08-28 03:36:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-08-28 03:36:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-08-28 03:36:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-08-28 03:36:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-08-28 03:36:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-08-28 03:36:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-08-28 03:36:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-08-28 03:36:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-08-28 03:36:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-08-28 03:36:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 03:36:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-08-28 03:36:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-08-28 03:36:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-08-28 03:36:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-08-28 03:36:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-08-28 03:36:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-08-28 03:36:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-08-28 03:36:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-08-28 03:36:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-08-28 03:36:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-08-28 03:36:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-08-28 03:36:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-08-28 03:36:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-28 03:36:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-28 03:36:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-28 03:36:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-28 03:36:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-08-28 03:36:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-28 03:36:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-08-28 03:36:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-08-28 03:36:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-08-28 03:36:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-08-28 03:36:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-08-28 03:36:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-28 03:36:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-08-28 03:36:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-08-28 03:36:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-08-28 03:36:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-08-28 03:36:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-08-28 03:36:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-08-28 03:36:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-08-28 03:36:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-08-28 03:36:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-08-28 03:36:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-08-28 03:36:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-08-28 03:36:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-08-28 03:36:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-08-28 03:36:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-08-28 03:36:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-08-28 03:36:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-08-28 03:36:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-08-28 03:36:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-08-28 03:36:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-08-28 03:36:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-08-28 03:36:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-08-28 03:36:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-08-28 03:36:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-08-28 03:36:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-08-28 03:36:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-08-28 03:36:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-28 03:36:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-28 03:36:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-28 03:36:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-08-28 03:36:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 03:36:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-28 03:36:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-08-28 03:36:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-08-28 03:36:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-08-28 03:36:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 03:36:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-08-28 03:36:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-08-28 03:36:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-08-28 03:36:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-08-28 03:36:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-28 03:36:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-08-28 03:36:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-08-28 03:36:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-28 03:36:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 03:36:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-08-28 03:36:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-08-28 03:36:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-08-28 03:36:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-08-28 03:36:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-08-28 03:36:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-08-28 03:36:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-08-28 03:36:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-08-28 03:36:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 03:36:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-08-28 03:36:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-08-28 03:36:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-08-28 03:36:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 03:36:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-08-28 03:36:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-08-28 03:36:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-08-28 03:36:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-08-28 03:36:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-08-28 03:36:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-08-28 03:36:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-08-28 03:36:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-08-28 03:36:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 03:36:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-28 03:36:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 03:36:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-28 03:36:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-28 03:36:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-28 03:36:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-28 03:36:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 03:36:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-28 03:36:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-28 03:36:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-28 03:36:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-28 03:36:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-28 03:36:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-28 03:36:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-28 03:36:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-08-28 03:36:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-08-28 03:36:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-08-28 03:36:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-08-28 03:36:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-08-28 03:36:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-08-28 03:36:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-08-28 03:36:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-08-28 03:36:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-08-28 03:36:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-08-28 03:36:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-08-28 03:36:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-08-28 03:36:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-08-28 03:36:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-08-28 03:36:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-08-28 03:36:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-08-28 03:36:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-08-28 03:36:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-08-28 03:36:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-08-28 03:36:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-08-28 03:36:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-08-28 03:36:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-08-28 03:36:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-08-28 03:36:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-08-28 03:36:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-08-28 03:36:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-08-28 03:36:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-08-28 03:36:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-08-28 03:36:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-08-28 03:36:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-08-28 03:36:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-08-28 03:36:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 03:36:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-08-28 03:36:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-08-28 03:36:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-08-28 03:36:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-08-28 03:36:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 03:36:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-08-28 03:36:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-08-28 03:36:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-08-28 03:36:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-08-28 03:36:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-28 03:36:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-28 03:36:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 03:36:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-28 03:36:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-08-28 03:36:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-08-28 03:36:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-08-28 03:36:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-08-28 03:36:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-08-28 03:36:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-28 03:36:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-28 03:36:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-28 03:36:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-28 03:36:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-08-28 03:36:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-08-28 03:36:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-08-28 03:36:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-08-28 03:36:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-08-28 03:36:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-28 03:36:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 03:36:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-28 03:36:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 03:36:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-28 03:36:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 03:36:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-28 03:36:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 03:36:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-08-28 03:36:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-08-28 03:36:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-08-28 03:36:35,528 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-28 03:36:38,100 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 03:36:38,101 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-28 03:36:38,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:36:38 BoogieIcfgContainer [2020-08-28 03:36:38,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 03:36:38,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 03:36:38,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 03:36:38,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 03:36:38,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 03:36:32" (1/3) ... [2020-08-28 03:36:38,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b23154b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:36:38, skipping insertion in model container [2020-08-28 03:36:38,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:36:34" (2/3) ... [2020-08-28 03:36:38,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b23154b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:36:38, skipping insertion in model container [2020-08-28 03:36:38,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:36:38" (3/3) ... [2020-08-28 03:36:38,133 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 [2020-08-28 03:36:38,144 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 03:36:38,155 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 03:36:38,175 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 03:36:38,209 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 03:36:38,209 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 03:36:38,210 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 03:36:38,210 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 03:36:38,210 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 03:36:38,210 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 03:36:38,210 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 03:36:38,210 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 03:36:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states. [2020-08-28 03:36:38,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-28 03:36:38,262 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 03:36:38,264 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] [2020-08-28 03:36:38,264 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 03:36:38,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 03:36:38,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1715961346, now seen corresponding path program 1 times [2020-08-28 03:36:38,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 03:36:38,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065658531] [2020-08-28 03:36:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 03:36:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 03:36:38,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 03:36:38,696 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) [2020-08-28 03:36:38,704 INFO L168 Benchmark]: Toolchain (without parser) took 6185.08 ms. Allocated memory was 145.8 MB in the beginning and 369.1 MB in the end (delta: 223.3 MB). Free memory was 93.6 MB in the beginning and 200.6 MB in the end (delta: -107.0 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. [2020-08-28 03:36:38,708 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 03:36:38,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2046.00 ms. Allocated memory was 145.8 MB in the beginning and 221.2 MB in the end (delta: 75.5 MB). Free memory was 93.4 MB in the beginning and 111.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2020-08-28 03:36:38,715 INFO L168 Benchmark]: Boogie Preprocessor took 190.85 ms. Allocated memory is still 221.2 MB. Free memory was 111.7 MB in the beginning and 102.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-28 03:36:38,716 INFO L168 Benchmark]: RCFGBuilder took 3363.39 ms. Allocated memory was 221.2 MB in the beginning and 369.1 MB in the end (delta: 147.8 MB). Free memory was 102.5 MB in the beginning and 229.7 MB in the end (delta: -127.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-08-28 03:36:38,717 INFO L168 Benchmark]: TraceAbstraction took 577.18 ms. Allocated memory is still 369.1 MB. Free memory was 229.7 MB in the beginning and 200.6 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-08-28 03:36:38,721 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2046.00 ms. Allocated memory was 145.8 MB in the beginning and 221.2 MB in the end (delta: 75.5 MB). Free memory was 93.4 MB in the beginning and 111.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.85 ms. Allocated memory is still 221.2 MB. Free memory was 111.7 MB in the beginning and 102.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3363.39 ms. Allocated memory was 221.2 MB in the beginning and 369.1 MB in the end (delta: 147.8 MB). Free memory was 102.5 MB in the beginning and 229.7 MB in the end (delta: -127.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 577.18 ms. Allocated memory is still 369.1 MB. Free memory was 229.7 MB in the beginning and 200.6 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 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...