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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:44:21,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:44:21,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:44:21,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:44:21,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:44:21,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:44:21,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:44:21,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:44:21,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:44:21,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:44:21,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:44:21,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:44:21,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:44:21,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:44:21,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:44:21,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:44:21,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:44:21,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:44:21,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:44:21,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:44:21,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:44:21,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:44:21,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:44:21,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:44:21,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:44:21,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:44:21,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:44:21,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:44:21,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:44:21,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:44:21,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:44:21,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:44:21,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:44:21,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:44:21,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:44:21,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:44:21,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:44:21,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:44:21,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:44:21,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:44:21,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:44:21,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:44:21,899 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:44:21,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:44:21,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:44:21,900 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:44:21,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:44:21,901 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:44:21,901 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:44:21,902 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:44:21,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:44:21,902 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:44:21,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:44:21,903 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:44:21,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:44:21,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:44:21,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:44:21,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:44:21,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:44:21,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:44:21,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:44:21,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:44:21,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:44:21,905 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:44:21,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:44:21,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:44:21,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:44:21,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:44:21,906 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:44:21,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:44:21,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:44:21,907 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:44:21,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:44:21,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:44:21,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:44:21,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:44:21,965 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:44:21,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-09-20 13:44:22,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c728481de/7b1bd214a21b4ad781e9b66e50d6ceb9/FLAG17255b8de [2019-09-20 13:44:22,778 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:44:22,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-09-20 13:44:22,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c728481de/7b1bd214a21b4ad781e9b66e50d6ceb9/FLAG17255b8de [2019-09-20 13:44:22,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c728481de/7b1bd214a21b4ad781e9b66e50d6ceb9 [2019-09-20 13:44:22,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:44:22,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:44:22,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:22,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:44:22,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:44:22,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:22" (1/1) ... [2019-09-20 13:44:22,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e00ab7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:22, skipping insertion in model container [2019-09-20 13:44:22,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:22" (1/1) ... [2019-09-20 13:44:22,879 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:44:23,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:44:23,620 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-09-20 13:44:23,622 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3498-3499] [2019-09-20 13:44:23,623 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3500-3502] [2019-09-20 13:44:23,623 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3503-3504] [2019-09-20 13:44:23,623 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-09-20 13:44:23,624 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3511-3512] [2019-09-20 13:44:23,625 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-09-20 13:44:23,627 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2019-09-20 13:44:23,643 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-09-20 13:44:23,643 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-09-20 13:44:23,644 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-09-20 13:44:23,645 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-09-20 13:44:23,645 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2019-09-20 13:44:23,646 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-09-20 13:44:24,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:24,450 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:44:24,617 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-09-20 13:44:24,617 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3498-3499] [2019-09-20 13:44:24,618 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3500-3502] [2019-09-20 13:44:24,619 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3503-3504] [2019-09-20 13:44:24,620 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-09-20 13:44:24,621 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3511-3512] [2019-09-20 13:44:24,622 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-09-20 13:44:24,622 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2019-09-20 13:44:24,637 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-09-20 13:44:24,638 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-09-20 13:44:24,638 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-09-20 13:44:24,639 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-09-20 13:44:24,639 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2019-09-20 13:44:24,640 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-09-20 13:44:24,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:25,136 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:44:25,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25 WrapperNode [2019-09-20 13:44:25,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:25,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:44:25,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:44:25,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:44:25,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (1/1) ... [2019-09-20 13:44:25,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:44:25,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:44:25,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:44:25,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:44:25,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (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 [2019-09-20 13:44:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:44:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:44:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-20 13:44:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-09-20 13:44:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-09-20 13:44:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-09-20 13:44:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2019-09-20 13:44:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-09-20 13:44:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-09-20 13:44:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-09-20 13:44:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-09-20 13:44:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:44:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-20 13:44:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:44:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-09-20 13:44:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-09-20 13:44:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-09-20 13:44:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2019-09-20 13:44:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2019-09-20 13:44:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2019-09-20 13:44:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2019-09-20 13:44:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2019-09-20 13:44:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2019-09-20 13:44:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2019-09-20 13:44:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2019-09-20 13:44:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2019-09-20 13:44:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2019-09-20 13:44:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2019-09-20 13:44:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2019-09-20 13:44:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2019-09-20 13:44:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2019-09-20 13:44:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2019-09-20 13:44:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-09-20 13:44:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:44:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:44:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-20 13:44:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-09-20 13:44:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-09-20 13:44:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2019-09-20 13:44:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2019-09-20 13:44:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2019-09-20 13:44:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2019-09-20 13:44:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-09-20 13:44:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-20 13:44:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:44:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:44:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:44:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:44:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2019-09-20 13:44:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-09-20 13:44:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-09-20 13:44:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:44:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:44:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-20 13:44:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-20 13:44:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-20 13:44:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-20 13:44:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-20 13:44:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-20 13:44:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:44:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:44:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:44:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:44:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:44:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2019-09-20 13:44:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:44:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-20 13:44:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-09-20 13:44:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-09-20 13:44:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-20 13:44:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:44:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:44:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:44:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:44:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:44:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:44:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:44:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:44:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-09-20 13:44:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-09-20 13:44:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:44:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-09-20 13:44:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-20 13:44:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-09-20 13:44:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-09-20 13:44:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-20 13:44:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-20 13:44:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2019-09-20 13:44:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-20 13:44:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2019-09-20 13:44:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-20 13:44:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2019-09-20 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-20 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2019-09-20 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-20 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-09-20 13:44:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2019-09-20 13:44:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-20 13:44:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-09-20 13:44:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-09-20 13:44:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-09-20 13:44:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-09-20 13:44:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:44:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:44:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-09-20 13:44:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-09-20 13:44:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:44:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:44:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:44:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:44:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:44:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:44:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:44:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:44:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:44:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:44:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:44:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:44:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-09-20 13:44:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:44:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-20 13:44:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2019-09-20 13:44:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2019-09-20 13:44:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:44:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:44:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2019-09-20 13:44:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2019-09-20 13:44:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-09-20 13:44:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2019-09-20 13:44:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:44:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:44:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:44:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-20 13:44:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:44:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:44:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:44:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:44:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:44:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:44:26,720 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:44:30,348 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-20 13:44:34,281 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:44:34,282 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:44:34,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:34 BoogieIcfgContainer [2019-09-20 13:44:34,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:44:34,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:44:34,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:44:34,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:44:34,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:44:22" (1/3) ... [2019-09-20 13:44:34,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28871526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:34, skipping insertion in model container [2019-09-20 13:44:34,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:25" (2/3) ... [2019-09-20 13:44:34,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28871526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:34, skipping insertion in model container [2019-09-20 13:44:34,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:34" (3/3) ... [2019-09-20 13:44:34,293 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-09-20 13:44:34,303 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:44:34,312 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:44:34,329 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:44:34,356 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:44:34,356 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:44:34,356 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:44:34,357 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:44:34,357 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:44:34,357 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:44:34,357 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:44:34,357 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:44:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states. [2019-09-20 13:44:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:44:34,414 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:34,415 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:34,417 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:34,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:34,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1660859157, now seen corresponding path program 1 times [2019-09-20 13:44:34,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:34,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:34,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:34,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:34,514 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:44:35,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:35,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:35,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:35,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:35,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:35,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:35,171 INFO L87 Difference]: Start difference. First operand 861 states. Second operand 3 states. [2019-09-20 13:44:35,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:35,635 INFO L93 Difference]: Finished difference Result 860 states and 1139 transitions. [2019-09-20 13:44:35,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:35,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-20 13:44:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:35,666 INFO L225 Difference]: With dead ends: 860 [2019-09-20 13:44:35,666 INFO L226 Difference]: Without dead ends: 805 [2019-09-20 13:44:35,668 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:35,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2019-09-20 13:44:35,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2019-09-20 13:44:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-09-20 13:44:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1072 transitions. [2019-09-20 13:44:35,796 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1072 transitions. Word has length 79 [2019-09-20 13:44:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:35,797 INFO L475 AbstractCegarLoop]: Abstraction has 805 states and 1072 transitions. [2019-09-20 13:44:35,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1072 transitions. [2019-09-20 13:44:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-20 13:44:35,806 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:35,807 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-09-20 13:44:35,807 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:35,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash -343497444, now seen corresponding path program 1 times [2019-09-20 13:44:35,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:35,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:35,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:35,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:35,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-09-20 13:44:36,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:36,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:36,194 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:36,196 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:36,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:36,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:36,197 INFO L87 Difference]: Start difference. First operand 805 states and 1072 transitions. Second operand 3 states. [2019-09-20 13:44:38,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:38,268 INFO L93 Difference]: Finished difference Result 806 states and 1073 transitions. [2019-09-20 13:44:38,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:38,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-09-20 13:44:38,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:38,281 INFO L225 Difference]: With dead ends: 806 [2019-09-20 13:44:38,281 INFO L226 Difference]: Without dead ends: 806 [2019-09-20 13:44:38,289 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:38,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-09-20 13:44:38,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2019-09-20 13:44:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2019-09-20 13:44:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1073 transitions. [2019-09-20 13:44:38,355 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1073 transitions. Word has length 129 [2019-09-20 13:44:38,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:38,358 INFO L475 AbstractCegarLoop]: Abstraction has 806 states and 1073 transitions. [2019-09-20 13:44:38,359 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1073 transitions. [2019-09-20 13:44:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-20 13:44:38,373 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:38,374 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-09-20 13:44:38,374 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:38,375 INFO L82 PathProgramCache]: Analyzing trace with hash 336560926, now seen corresponding path program 1 times [2019-09-20 13:44:38,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:38,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:38,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:38,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:38,392 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-09-20 13:44:39,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:44:39,172 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:44:39,173 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2019-09-20 13:44:39,175 INFO L207 CegarAbsIntRunner]: [2], [4], [5], [295], [297], [300], [305], [316], [317], [387], [389], [390], [393], [417], [422], [450], [451], [458], [459], [673], [675], [677], [679], [681], [683], [685], [688], [691], [704], [723], [736], [749], [786], [805], [842], [845], [852], [856], [1051], [1054], [1057], [1069], [1072], [1075], [1077], [1082], [1085], [1174], [1175], [1176], [1178], [1180], [1182], [1184], [1185], [1586], [1625], [1627], [1630], [1642], [1643], [1676], [1678], [1683], [1688], [1747], [1750], [1754], [1762], [1763], [1806], [1807], [1822], [1823], [1828], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1914], [1956], [1957], [1958], [1959], [1972], [1973], [1974], [1975], [1976], [1977], [1978], [1979], [2056], [2070], [2071], [2092], [2093], [2094], [2108], [2109], [2110] [2019-09-20 13:44:39,232 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:44:39,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:44:39,393 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:44:39,394 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 248 root evaluator evaluations with a maximum evaluation depth of 0. Performed 248 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 518 variables. [2019-09-20 13:44:39,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:39,399 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:44:39,454 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:44:39,454 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:44:39,458 INFO L420 sIntCurrentIteration]: We unified 128 AI predicates to 128 [2019-09-20 13:44:39,458 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:44:39,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:44:39,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-20 13:44:39,459 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:39,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:44:39,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:44:39,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:44:39,461 INFO L87 Difference]: Start difference. First operand 806 states and 1073 transitions. Second operand 2 states. [2019-09-20 13:44:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:39,461 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:44:39,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:44:39,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 129 [2019-09-20 13:44:39,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:39,462 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:44:39,462 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:44:39,463 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:44:39,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:44:39,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:44:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:44:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:44:39,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 129 [2019-09-20 13:44:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:39,464 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:44:39,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:44:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:44:39,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:44:39,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:44:39 BoogieIcfgContainer [2019-09-20 13:44:39,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:44:39,473 INFO L168 Benchmark]: Toolchain (without parser) took 16609.74 ms. Allocated memory was 131.1 MB in the beginning and 474.0 MB in the end (delta: 342.9 MB). Free memory was 79.0 MB in the beginning and 263.5 MB in the end (delta: -184.5 MB). Peak memory consumption was 158.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:39,474 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:44:39,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2276.34 ms. Allocated memory was 131.1 MB in the beginning and 273.7 MB in the end (delta: 142.6 MB). Free memory was 78.6 MB in the beginning and 225.3 MB in the end (delta: -146.7 MB). Peak memory consumption was 109.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:39,476 INFO L168 Benchmark]: Boogie Preprocessor took 282.39 ms. Allocated memory is still 273.7 MB. Free memory was 225.3 MB in the beginning and 209.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:39,477 INFO L168 Benchmark]: RCFGBuilder took 8861.45 ms. Allocated memory was 273.7 MB in the beginning and 474.0 MB in the end (delta: 200.3 MB). Free memory was 209.8 MB in the beginning and 284.3 MB in the end (delta: -74.4 MB). Peak memory consumption was 274.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:39,478 INFO L168 Benchmark]: TraceAbstraction took 5184.97 ms. Allocated memory is still 474.0 MB. Free memory was 284.3 MB in the beginning and 263.5 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:39,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2276.34 ms. Allocated memory was 131.1 MB in the beginning and 273.7 MB in the end (delta: 142.6 MB). Free memory was 78.6 MB in the beginning and 225.3 MB in the end (delta: -146.7 MB). Peak memory consumption was 109.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 282.39 ms. Allocated memory is still 273.7 MB. Free memory was 225.3 MB in the beginning and 209.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8861.45 ms. Allocated memory was 273.7 MB in the beginning and 474.0 MB in the end (delta: 200.3 MB). Free memory was 209.8 MB in the beginning and 284.3 MB in the end (delta: -74.4 MB). Peak memory consumption was 274.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5184.97 ms. Allocated memory is still 474.0 MB. Free memory was 284.3 MB in the beginning and 263.5 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4396]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 881 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 3 OverallIterations, 8 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1993 SDtfs, 158 SDslu, 1840 SDs, 0 SdLazy, 105 SolverSat, 2 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.921875 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 117656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 248/252 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...