./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test3_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test3_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71d9e9cdb96aacb900c7761144c7261ca672a959 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:53:35,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:53:35,430 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:53:35,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:53:35,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:53:35,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:53:35,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:53:35,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:53:35,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:53:35,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:53:35,463 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:53:35,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:53:35,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:53:35,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:53:35,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:53:35,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:53:35,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:53:35,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:53:35,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:53:35,474 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:53:35,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:53:35,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:53:35,479 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:53:35,479 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:53:35,479 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:53:35,480 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:53:35,481 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:53:35,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:53:35,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:53:35,484 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:53:35,484 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:53:35,485 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:53:35,485 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:53:35,485 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:53:35,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:53:35,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:53:35,488 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:53:35,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:53:35,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:53:35,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:53:35,505 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:53:35,506 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:53:35,506 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:53:35,506 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:53:35,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:53:35,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:53:35,507 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:53:35,507 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:53:35,507 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:53:35,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:53:35,507 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:53:35,507 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:53:35,509 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:53:35,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:53:35,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:53:35,509 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:53:35,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:53:35,510 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:53:35,510 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:53:35,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:53:35,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:53:35,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:53:35,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:53:35,511 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:53:35,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:53:35,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71d9e9cdb96aacb900c7761144c7261ca672a959 [2018-11-28 22:53:35,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:53:35,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:53:35,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:53:35,574 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:53:35,575 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:53:35,575 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test3_true-valid-memsafety_true-termination.i [2018-11-28 22:53:35,633 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b931466ed/5d7b6a3199d94a44a6186caa630cf94c/FLAG3a45819c2 [2018-11-28 22:53:36,213 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:53:36,213 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test3_true-valid-memsafety_true-termination.i [2018-11-28 22:53:36,228 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b931466ed/5d7b6a3199d94a44a6186caa630cf94c/FLAG3a45819c2 [2018-11-28 22:53:36,441 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b931466ed/5d7b6a3199d94a44a6186caa630cf94c [2018-11-28 22:53:36,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:53:36,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:53:36,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:53:36,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:53:36,451 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:53:36,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:53:36" (1/1) ... [2018-11-28 22:53:36,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17646fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:36, skipping insertion in model container [2018-11-28 22:53:36,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:53:36" (1/1) ... [2018-11-28 22:53:36,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:53:36,527 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:53:37,028 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:53:37,064 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:53:37,248 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:53:37,349 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:53:37,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37 WrapperNode [2018-11-28 22:53:37,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:53:37,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:53:37,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:53:37,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:53:37,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (1/1) ... [2018-11-28 22:53:37,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:53:37,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:53:37,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:53:37,451 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:53:37,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (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 [2018-11-28 22:53:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:53:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:53:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:53:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:53:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:53:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:53:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:53:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:53:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:53:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:53:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:53:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:53:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:53:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:53:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:53:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:53:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:53:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:53:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:53:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:53:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:53:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:53:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:53:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:53:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:53:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:53:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:53:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:53:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:53:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:53:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:53:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2018-11-28 22:53:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:53:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:53:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:53:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:53:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:53:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:53:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:53:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:53:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:53:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:53:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:53:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:53:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:53:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:53:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:53:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:53:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:53:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:53:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:53:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:53:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:53:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:53:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:53:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:53:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:53:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:53:37,530 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:53:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:53:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:53:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:53:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:53:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:53:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:53:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:53:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:53:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:53:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:53:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:53:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:53:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:53:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:53:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:53:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:53:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:53:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:53:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:53:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:53:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:53:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:53:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:53:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:53:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:53:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:53:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:53:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:53:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:53:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:53:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:53:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:53:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:53:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:53:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:53:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:53:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:53:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:53:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:53:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:53:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:53:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:53:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:53:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:53:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:53:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:53:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:53:37,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:53:37,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:53:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:53:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:53:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:53:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:53:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:53:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:53:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:53:38,320 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:53:39,053 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:53:39,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:53:39,605 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:53:39,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:53:39 BoogieIcfgContainer [2018-11-28 22:53:39,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:53:39,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:53:39,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:53:39,610 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:53:39,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:53:36" (1/3) ... [2018-11-28 22:53:39,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f334fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:53:39, skipping insertion in model container [2018-11-28 22:53:39,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:53:37" (2/3) ... [2018-11-28 22:53:39,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f334fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:53:39, skipping insertion in model container [2018-11-28 22:53:39,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:53:39" (3/3) ... [2018-11-28 22:53:39,614 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test3_true-valid-memsafety_true-termination.i [2018-11-28 22:53:39,624 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:53:39,633 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:53:39,652 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:53:39,680 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:53:39,681 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:53:39,681 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:53:39,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:53:39,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:53:39,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:53:39,681 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:53:39,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:53:39,682 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:53:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-28 22:53:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:53:39,710 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:39,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:39,714 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:39,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash 217569708, now seen corresponding path program 1 times [2018-11-28 22:53:39,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:39,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:39,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:39,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:39,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:40,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:40,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:53:40,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:53:40,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:53:40,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,153 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 7 states. [2018-11-28 22:53:40,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:40,268 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-11-28 22:53:40,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:53:40,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-28 22:53:40,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:40,281 INFO L225 Difference]: With dead ends: 27 [2018-11-28 22:53:40,281 INFO L226 Difference]: Without dead ends: 24 [2018-11-28 22:53:40,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-28 22:53:40,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-28 22:53:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-28 22:53:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-11-28 22:53:40,319 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 18 [2018-11-28 22:53:40,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:40,320 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-11-28 22:53:40,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:53:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-11-28 22:53:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 22:53:40,321 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:40,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:40,322 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:40,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:40,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1845273287, now seen corresponding path program 1 times [2018-11-28 22:53:40,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:40,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:40,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:40,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:40,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:40,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:40,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:53:40,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:53:40,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:53:40,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,461 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 7 states. [2018-11-28 22:53:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:40,594 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-11-28 22:53:40,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:53:40,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 22:53:40,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:40,599 INFO L225 Difference]: With dead ends: 35 [2018-11-28 22:53:40,599 INFO L226 Difference]: Without dead ends: 35 [2018-11-28 22:53:40,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-28 22:53:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-11-28 22:53:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-28 22:53:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-11-28 22:53:40,607 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 19 [2018-11-28 22:53:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:40,607 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-11-28 22:53:40,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:53:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-28 22:53:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 22:53:40,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:40,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:40,609 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:40,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:40,610 INFO L82 PathProgramCache]: Analyzing trace with hash -2041786792, now seen corresponding path program 1 times [2018-11-28 22:53:40,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:40,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:40,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:40,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:40,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:40,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:40,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:53:40,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:53:40,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:53:40,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,749 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 7 states. [2018-11-28 22:53:40,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:40,814 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-11-28 22:53:40,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:53:40,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 22:53:40,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:40,816 INFO L225 Difference]: With dead ends: 34 [2018-11-28 22:53:40,817 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 22:53:40,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 22:53:40,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 23. [2018-11-28 22:53:40,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 22:53:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-11-28 22:53:40,822 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 19 [2018-11-28 22:53:40,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:40,822 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-11-28 22:53:40,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:53:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-28 22:53:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:53:40,823 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:40,823 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:40,824 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:40,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:40,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1368710705, now seen corresponding path program 1 times [2018-11-28 22:53:40,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:40,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:40,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:40,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:40,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:40,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:40,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 22:53:40,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:53:40,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:53:40,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,961 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 7 states. [2018-11-28 22:53:40,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:40,994 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-11-28 22:53:40,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:53:40,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-28 22:53:40,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:40,997 INFO L225 Difference]: With dead ends: 34 [2018-11-28 22:53:40,998 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 22:53:40,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 22:53:41,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2018-11-28 22:53:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-28 22:53:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-11-28 22:53:41,004 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2018-11-28 22:53:41,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:41,004 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-11-28 22:53:41,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:53:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-11-28 22:53:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:53:41,005 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:41,005 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:41,006 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:41,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:41,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1129305232, now seen corresponding path program 1 times [2018-11-28 22:53:41,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:41,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:41,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:41,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:41,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:41,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:41,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:53:41,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:53:41,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:53:41,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:53:41,081 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 3 states. [2018-11-28 22:53:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:41,174 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-11-28 22:53:41,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:53:41,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-28 22:53:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:41,176 INFO L225 Difference]: With dead ends: 35 [2018-11-28 22:53:41,176 INFO L226 Difference]: Without dead ends: 32 [2018-11-28 22:53:41,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:53:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-28 22:53:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2018-11-28 22:53:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 22:53:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-28 22:53:41,181 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-11-28 22:53:41,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:41,182 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-11-28 22:53:41,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:53:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-28 22:53:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:53:41,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:41,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:41,184 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:41,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:41,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1249711693, now seen corresponding path program 1 times [2018-11-28 22:53:41,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:41,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:41,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:41,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:41,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:41,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:41,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 22:53:41,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 22:53:41,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 22:53:41,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 22:53:41,636 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 8 states. [2018-11-28 22:53:42,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:42,082 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2018-11-28 22:53:42,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:53:42,085 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-11-28 22:53:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:42,086 INFO L225 Difference]: With dead ends: 35 [2018-11-28 22:53:42,086 INFO L226 Difference]: Without dead ends: 23 [2018-11-28 22:53:42,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:53:42,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-28 22:53:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-28 22:53:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 22:53:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-11-28 22:53:42,091 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 22 [2018-11-28 22:53:42,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:42,093 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-11-28 22:53:42,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 22:53:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-11-28 22:53:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:53:42,094 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:53:42,094 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:53:42,095 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:53:42,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:53:42,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1543114700, now seen corresponding path program 1 times [2018-11-28 22:53:42,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:53:42,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:53:42,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:42,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:53:42,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:53:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:53:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:53:42,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:53:42,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 22:53:42,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:53:42,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:53:42,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:42,285 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 7 states. [2018-11-28 22:53:42,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:53:42,331 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-28 22:53:42,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:53:42,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-28 22:53:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:53:42,332 INFO L225 Difference]: With dead ends: 17 [2018-11-28 22:53:42,332 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 22:53:42,333 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:53:42,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 22:53:42,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 22:53:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 22:53:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 22:53:42,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-28 22:53:42,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:53:42,334 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 22:53:42,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:53:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 22:53:42,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 22:53:42,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:53:42 BoogieIcfgContainer [2018-11-28 22:53:42,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:53:42,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:53:42,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:53:42,342 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:53:42,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:53:39" (3/4) ... [2018-11-28 22:53:42,346 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 22:53:42,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2018-11-28 22:53:42,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2018-11-28 22:53:42,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2018-11-28 22:53:42,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2018-11-28 22:53:42,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2018-11-28 22:53:42,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:53:42,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2018-11-28 22:53:42,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2018-11-28 22:53:42,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 22:53:42,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-28 22:53:42,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2018-11-28 22:53:42,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-28 22:53:42,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2018-11-28 22:53:42,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2018-11-28 22:53:42,360 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2018-11-28 22:53:42,367 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-28 22:53:42,367 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-28 22:53:42,367 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 22:53:42,368 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 22:53:42,368 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 22:53:42,438 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 22:53:42,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:53:42,439 INFO L168 Benchmark]: Toolchain (without parser) took 5994.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 950.0 MB in the beginning and 880.2 MB in the end (delta: 69.9 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. [2018-11-28 22:53:42,441 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:53:42,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 903.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-28 22:53:42,442 INFO L168 Benchmark]: Boogie Preprocessor took 100.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:53:42,443 INFO L168 Benchmark]: RCFGBuilder took 2154.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:53:42,444 INFO L168 Benchmark]: TraceAbstraction took 2734.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 886.8 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:53:42,444 INFO L168 Benchmark]: Witness Printer took 97.04 ms. Allocated memory is still 1.2 GB. Free memory was 886.8 MB in the beginning and 880.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:53:42,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 903.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2154.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2734.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 886.8 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. * Witness Printer took 97.04 ms. Allocated memory is still 1.2 GB. Free memory was 886.8 MB in the beginning and 880.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1294]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1294]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1121]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1121]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1411]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1411]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1157]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1157]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1258]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1258]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1256]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1256]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1115]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1115]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1116]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1116]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1340]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1339]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1339]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1344]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1340]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1344]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1164]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1164]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1442]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1100]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1100]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1099]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1099]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1107]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1110]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1107]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1109]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1109]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1108]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1110]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1108]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1198]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1198]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1267]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1267]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1265]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1265]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1126]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1126]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1193]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1193]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1439]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1439]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1146]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1146]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 69 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 316 locations, 69 error locations. SAFE Result, 2.6s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155 SDtfs, 23 SDslu, 550 SDs, 0 SdLazy, 281 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 9122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...