java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:30:01,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:30:01,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:30:01,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:30:01,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:30:01,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:30:01,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:30:01,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:30:01,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:30:01,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:30:01,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:30:01,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:30:01,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:30:01,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:30:01,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:30:01,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:30:01,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:30:01,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:30:01,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:30:01,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:30:01,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:30:01,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:30:01,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:30:01,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:30:01,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:30:01,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:30:01,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:30:01,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:30:01,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:30:01,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:30:01,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:30:01,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:30:01,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:30:01,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:30:01,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:30:01,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:30:01,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:30:01,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:30:01,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:30:01,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:30:01,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:30:01,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 22:30:01,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:30:01,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:30:01,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:30:01,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:30:01,363 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:30:01,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:30:01,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:30:01,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:30:01,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:30:01,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:30:01,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:30:01,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:30:01,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:30:01,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:30:01,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:30:01,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:30:01,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:30:01,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:30:01,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:30:01,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:30:01,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:30:01,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:30:01,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:30:01,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:30:01,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:30:01,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:30:01,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:30:01,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:30:01,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:30:01,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:30:01,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:30:01,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:30:01,678 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:30:01,679 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:30:01,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2019-10-14 22:30:01,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee0ddf9b7/253a9a98997244b69048632e33fcb127/FLAG819144f89 [2019-10-14 22:30:02,542 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:30:02,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2019-10-14 22:30:02,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee0ddf9b7/253a9a98997244b69048632e33fcb127/FLAG819144f89 [2019-10-14 22:30:03,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee0ddf9b7/253a9a98997244b69048632e33fcb127 [2019-10-14 22:30:03,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:30:03,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:30:03,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:30:03,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:30:03,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:30:03,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:30:03" (1/1) ... [2019-10-14 22:30:03,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be28e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:03, skipping insertion in model container [2019-10-14 22:30:03,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:30:03" (1/1) ... [2019-10-14 22:30:03,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:30:03,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:30:04,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:30:04,738 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:30:04,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:30:05,111 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:30:05,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05 WrapperNode [2019-10-14 22:30:05,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:30:05,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:30:05,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:30:05,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:30:05,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... [2019-10-14 22:30:05,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:30:05,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:30:05,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:30:05,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:30:05,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:30:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:30:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:30:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-14 22:30:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-14 22:30:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-14 22:30:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-14 22:30:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-14 22:30:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-14 22:30:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-14 22:30:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 22:30:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-14 22:30:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-10-14 22:30:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-14 22:30:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-10-14 22:30:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2019-10-14 22:30:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-14 22:30:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-14 22:30:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:30:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:30:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:30:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2019-10-14 22:30:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-10-14 22:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2019-10-14 22:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2019-10-14 22:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-14 22:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-14 22:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2019-10-14 22:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2019-10-14 22:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2019-10-14 22:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2019-10-14 22:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2019-10-14 22:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2019-10-14 22:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2019-10-14 22:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2019-10-14 22:30:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2019-10-14 22:30:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-14 22:30:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:30:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-14 22:30:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-14 22:30:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-14 22:30:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-14 22:30:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-14 22:30:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2019-10-14 22:30:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2019-10-14 22:30:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-14 22:30:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-14 22:30:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-14 22:30:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-14 22:30:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-14 22:30:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 22:30:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 22:30:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 22:30:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 22:30:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-14 22:30:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:30:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-14 22:30:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-14 22:30:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-14 22:30:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-14 22:30:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-14 22:30:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:30:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-14 22:30:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-14 22:30:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-14 22:30:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-14 22:30:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2019-10-14 22:30:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-14 22:30:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-14 22:30:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2019-10-14 22:30:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-14 22:30:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-14 22:30:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-14 22:30:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-14 22:30:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-14 22:30:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 22:30:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-14 22:30:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-14 22:30:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 22:30:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-14 22:30:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2019-10-14 22:30:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-14 22:30:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2019-10-14 22:30:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-14 22:30:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-14 22:30:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-14 22:30:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-14 22:30:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:30:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:30:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:30:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:30:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-14 22:30:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:30:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:30:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-14 22:30:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-14 22:30:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-14 22:30:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:30:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-14 22:30:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-14 22:30:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-14 22:30:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-14 22:30:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:30:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-14 22:30:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-14 22:30:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 22:30:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:30:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-14 22:30:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-14 22:30:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-14 22:30:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-14 22:30:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-14 22:30:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-14 22:30:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2019-10-14 22:30:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-14 22:30:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:30:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-10-14 22:30:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-14 22:30:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-10-14 22:30:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:30:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2019-10-14 22:30:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-14 22:30:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-14 22:30:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-14 22:30:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-14 22:30:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-14 22:30:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-14 22:30:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-14 22:30:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:30:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:30:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:30:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:30:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:30:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:30:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:30:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:30:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:30:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:30:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:30:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:30:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:30:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:30:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:30:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:30:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2019-10-14 22:30:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-14 22:30:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-14 22:30:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-14 22:30:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-14 22:30:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-14 22:30:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2019-10-14 22:30:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-10-14 22:30:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 22:30:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2019-10-14 22:30:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-14 22:30:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-14 22:30:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-14 22:30:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-14 22:30:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-14 22:30:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2019-10-14 22:30:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-14 22:30:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2019-10-14 22:30:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2019-10-14 22:30:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:30:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2019-10-14 22:30:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2019-10-14 22:30:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-14 22:30:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:30:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:30:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:30:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:30:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-14 22:30:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-14 22:30:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-14 22:30:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-14 22:30:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-14 22:30:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 22:30:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 22:30:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 22:30:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 22:30:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-14 22:30:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-14 22:30:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-14 22:30:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-14 22:30:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-14 22:30:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 22:30:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:30:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:30:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:30:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:30:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:30:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:30:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:30:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:30:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:30:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:30:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:30:06,195 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:30:07,993 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:30:07,993 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 22:30:07,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:30:07 BoogieIcfgContainer [2019-10-14 22:30:07,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:30:07,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:30:07,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:30:08,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:30:08,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:30:03" (1/3) ... [2019-10-14 22:30:08,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfcf514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:30:08, skipping insertion in model container [2019-10-14 22:30:08,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:05" (2/3) ... [2019-10-14 22:30:08,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfcf514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:30:08, skipping insertion in model container [2019-10-14 22:30:08,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:30:07" (3/3) ... [2019-10-14 22:30:08,004 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 [2019-10-14 22:30:08,014 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:30:08,028 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:30:08,040 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:30:08,082 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:30:08,083 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:30:08,083 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:30:08,083 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:30:08,083 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:30:08,083 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:30:08,083 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:30:08,083 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:30:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states. [2019-10-14 22:30:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-14 22:30:08,150 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:30:08,151 INFO L380 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] [2019-10-14 22:30:08,154 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:30:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:30:08,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1143159700, now seen corresponding path program 1 times [2019-10-14 22:30:08,168 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:30:08,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173826775] [2019-10-14 22:30:08,168 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:30:08,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:30:08,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:30:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,192 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-10-14 22:30:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-14 22:30:09,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173826775] [2019-10-14 22:30:09,455 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:30:09,455 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 22:30:09,456 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728668034] [2019-10-14 22:30:09,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 22:30:09,462 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:30:09,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 22:30:09,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 22:30:09,480 INFO L87 Difference]: Start difference. First operand 538 states. Second operand 8 states. [2019-10-14 22:30:12,164 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-10-14 22:30:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:30:22,205 INFO L93 Difference]: Finished difference Result 1876 states and 2555 transitions. [2019-10-14 22:30:22,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 22:30:22,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2019-10-14 22:30:22,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:30:22,242 INFO L225 Difference]: With dead ends: 1876 [2019-10-14 22:30:22,242 INFO L226 Difference]: Without dead ends: 1374 [2019-10-14 22:30:22,253 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2019-10-14 22:30:22,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2019-10-14 22:30:22,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 890. [2019-10-14 22:30:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2019-10-14 22:30:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1088 transitions. [2019-10-14 22:30:22,544 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1088 transitions. Word has length 66 [2019-10-14 22:30:22,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:30:22,545 INFO L462 AbstractCegarLoop]: Abstraction has 890 states and 1088 transitions. [2019-10-14 22:30:22,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 22:30:22,545 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1088 transitions. [2019-10-14 22:30:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-14 22:30:22,555 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:30:22,555 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:30:22,556 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:30:22,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:30:22,556 INFO L82 PathProgramCache]: Analyzing trace with hash -153251815, now seen corresponding path program 1 times [2019-10-14 22:30:22,556 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:30:22,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481562005] [2019-10-14 22:30:22,557 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:30:22,557 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:30:22,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:30:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,118 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-10-14 22:30:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-14 22:30:23,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481562005] [2019-10-14 22:30:23,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:30:23,441 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 22:30:23,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585567046] [2019-10-14 22:30:23,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 22:30:23,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:30:23,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 22:30:23,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-14 22:30:23,445 INFO L87 Difference]: Start difference. First operand 890 states and 1088 transitions. Second operand 12 states. [2019-10-14 22:30:27,031 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-10-14 22:30:30,448 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 213 [2019-10-14 22:30:30,986 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2019-10-14 22:30:31,356 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2019-10-14 22:30:36,014 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-10-14 22:30:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:30:38,984 INFO L93 Difference]: Finished difference Result 2415 states and 3239 transitions. [2019-10-14 22:30:38,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-14 22:30:38,985 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2019-10-14 22:30:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:30:39,007 INFO L225 Difference]: With dead ends: 2415 [2019-10-14 22:30:39,007 INFO L226 Difference]: Without dead ends: 2388 [2019-10-14 22:30:39,011 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2019-10-14 22:30:39,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2019-10-14 22:30:39,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 1863. [2019-10-14 22:30:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1863 states. [2019-10-14 22:30:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2349 transitions. [2019-10-14 22:30:39,304 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2349 transitions. Word has length 82 [2019-10-14 22:30:39,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:30:39,307 INFO L462 AbstractCegarLoop]: Abstraction has 1863 states and 2349 transitions. [2019-10-14 22:30:39,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 22:30:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2349 transitions. [2019-10-14 22:30:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-10-14 22:30:39,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:30:39,322 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:30:39,322 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:30:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:30:39,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1388294539, now seen corresponding path program 1 times [2019-10-14 22:30:39,323 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:30:39,323 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212679562] [2019-10-14 22:30:39,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:30:39,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:30:39,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:30:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,830 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-10-14 22:30:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:30:40,080 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:550) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:277) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 33 more [2019-10-14 22:30:40,088 INFO L168 Benchmark]: Toolchain (without parser) took 37015.13 ms. Allocated memory was 137.9 MB in the beginning and 689.4 MB in the end (delta: 551.6 MB). Free memory was 93.3 MB in the beginning and 530.4 MB in the end (delta: -437.2 MB). Peak memory consumption was 114.4 MB. Max. memory is 7.1 GB. [2019-10-14 22:30:40,091 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 22:30:40,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2039.23 ms. Allocated memory was 137.9 MB in the beginning and 226.0 MB in the end (delta: 88.1 MB). Free memory was 92.8 MB in the beginning and 117.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. [2019-10-14 22:30:40,093 INFO L168 Benchmark]: Boogie Preprocessor took 239.96 ms. Allocated memory is still 226.0 MB. Free memory was 117.8 MB in the beginning and 108.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-14 22:30:40,094 INFO L168 Benchmark]: RCFGBuilder took 2641.40 ms. Allocated memory was 226.0 MB in the beginning and 338.7 MB in the end (delta: 112.7 MB). Free memory was 108.8 MB in the beginning and 186.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2019-10-14 22:30:40,095 INFO L168 Benchmark]: TraceAbstraction took 32090.10 ms. Allocated memory was 338.7 MB in the beginning and 689.4 MB in the end (delta: 350.7 MB). Free memory was 186.8 MB in the beginning and 530.4 MB in the end (delta: -343.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-10-14 22:30:40,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2039.23 ms. Allocated memory was 137.9 MB in the beginning and 226.0 MB in the end (delta: 88.1 MB). Free memory was 92.8 MB in the beginning and 117.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 239.96 ms. Allocated memory is still 226.0 MB. Free memory was 117.8 MB in the beginning and 108.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2641.40 ms. Allocated memory was 226.0 MB in the beginning and 338.7 MB in the end (delta: 112.7 MB). Free memory was 108.8 MB in the beginning and 186.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32090.10 ms. Allocated memory was 338.7 MB in the beginning and 689.4 MB in the end (delta: 350.7 MB). Free memory was 186.8 MB in the beginning and 530.4 MB in the end (delta: -343.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...