./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f 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_test16_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 13d9e1f555d8a0e0fd0128fab121c949ab04cadc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 19:24:51,048 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:24:51,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:24:51,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:24:51,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:24:51,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:24:51,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:24:51,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:24:51,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:24:51,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:24:51,071 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:24:51,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:24:51,072 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:24:51,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:24:51,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:24:51,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:24:51,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:24:51,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:24:51,081 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:24:51,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:24:51,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:24:51,085 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:24:51,087 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:24:51,088 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:24:51,088 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:24:51,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:24:51,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:24:51,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:24:51,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:24:51,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:24:51,094 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:24:51,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:24:51,095 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:24:51,095 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:24:51,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:24:51,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:24:51,098 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:24:51,112 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:24:51,112 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:24:51,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:24:51,114 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:24:51,114 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:24:51,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:24:51,114 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:24:51,114 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:24:51,115 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:24:51,116 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:24:51,116 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:24:51,116 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:24:51,116 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:24:51,116 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:24:51,116 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:24:51,117 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:24:51,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:24:51,117 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:24:51,117 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:24:51,117 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:24:51,117 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:24:51,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:24:51,119 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:24:51,119 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:24:51,120 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:24:51,120 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 -> 13d9e1f555d8a0e0fd0128fab121c949ab04cadc [2019-01-14 19:24:51,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:24:51,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:24:51,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:24:51,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:24:51,182 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:24:51,182 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_true-valid-memsafety_true-termination.i [2019-01-14 19:24:51,246 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83efb434/639942d6b4e74ae280828e326e8ba12b/FLAG7dfa80321 [2019-01-14 19:24:51,773 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:24:51,774 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_true-valid-memsafety_true-termination.i [2019-01-14 19:24:51,794 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83efb434/639942d6b4e74ae280828e326e8ba12b/FLAG7dfa80321 [2019-01-14 19:24:52,048 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83efb434/639942d6b4e74ae280828e326e8ba12b [2019-01-14 19:24:52,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:24:52,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:24:52,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:24:52,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:24:52,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:24:52,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27853e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52, skipping insertion in model container [2019-01-14 19:24:52,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:24:52,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:24:52,548 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:24:52,564 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:24:52,713 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:24:52,796 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:24:52,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52 WrapperNode [2019-01-14 19:24:52,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:24:52,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:24:52,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:24:52,797 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:24:52,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... [2019-01-14 19:24:52,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:24:52,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:24:52,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:24:52,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:24:52,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:24:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:24:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:24:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:24:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:24:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:24:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:24:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:24:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:24:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:24:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:24:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:24:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:24:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:24:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-01-14 19:24:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-01-14 19:24:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:24:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:24:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:24:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:24:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:24:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:24:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:24:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:24:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:24:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:24:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:24:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:24:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:24:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:24:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:24:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:24:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:24:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:24:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:24:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:24:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:24:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:24:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:24:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:24:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:24:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:24:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:24:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:24:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:24:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:24:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:24:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:24:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:24:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:24:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:24:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:24:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:24:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-01-14 19:24:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-14 19:24:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:24:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:24:53,768 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:24:54,584 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:24:55,041 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:24:55,042 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-14 19:24:55,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:24:55 BoogieIcfgContainer [2019-01-14 19:24:55,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:24:55,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:24:55,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:24:55,049 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:24:55,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:24:52" (1/3) ... [2019-01-14 19:24:55,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea1639e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:24:55, skipping insertion in model container [2019-01-14 19:24:55,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:24:52" (2/3) ... [2019-01-14 19:24:55,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea1639e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:24:55, skipping insertion in model container [2019-01-14 19:24:55,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:24:55" (3/3) ... [2019-01-14 19:24:55,054 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_true-valid-memsafety_true-termination.i [2019-01-14 19:24:55,064 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:24:55,073 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-01-14 19:24:55,091 INFO L257 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-01-14 19:24:55,117 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:24:55,118 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:24:55,119 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:24:55,119 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:24:55,119 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:24:55,119 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:24:55,120 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:24:55,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:24:55,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:24:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-01-14 19:24:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:24:55,152 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:24:55,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:24:55,157 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:24:55,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:24:55,165 INFO L82 PathProgramCache]: Analyzing trace with hash 79013278, now seen corresponding path program 1 times [2019-01-14 19:24:55,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:24:55,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:24:55,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:55,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:24:55,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:24:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:24:55,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:24:55,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:24:55,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-14 19:24:55,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-14 19:24:55,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:24:55,566 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 7 states. [2019-01-14 19:24:55,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:24:55,735 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-01-14 19:24:55,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:24:55,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-01-14 19:24:55,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:24:55,748 INFO L225 Difference]: With dead ends: 49 [2019-01-14 19:24:55,748 INFO L226 Difference]: Without dead ends: 46 [2019-01-14 19:24:55,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:24:55,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-14 19:24:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-01-14 19:24:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-14 19:24:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-01-14 19:24:55,785 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-01-14 19:24:55,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:24:55,785 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-01-14 19:24:55,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-14 19:24:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-01-14 19:24:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-14 19:24:55,787 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:24:55,787 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] [2019-01-14 19:24:55,788 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:24:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:24:55,788 INFO L82 PathProgramCache]: Analyzing trace with hash -822245010, now seen corresponding path program 1 times [2019-01-14 19:24:55,788 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:24:55,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:24:55,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:55,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:24:55,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:24:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:24:55,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:24:55,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:24:55,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:24:55,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:24:55,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:24:55,870 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-01-14 19:24:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:24:56,131 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-14 19:24:56,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:24:56,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-01-14 19:24:56,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:24:56,135 INFO L225 Difference]: With dead ends: 54 [2019-01-14 19:24:56,136 INFO L226 Difference]: Without dead ends: 43 [2019-01-14 19:24:56,137 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 [2019-01-14 19:24:56,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-14 19:24:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-14 19:24:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-14 19:24:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-01-14 19:24:56,156 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-01-14 19:24:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:24:56,156 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-01-14 19:24:56,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:24:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-01-14 19:24:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:24:56,158 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:24:56,158 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, 1] [2019-01-14 19:24:56,159 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:24:56,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:24:56,159 INFO L82 PathProgramCache]: Analyzing trace with hash 310035615, now seen corresponding path program 1 times [2019-01-14 19:24:56,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:24:56,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:24:56,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:56,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:24:56,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:24:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:24:56,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:24:56,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-14 19:24:56,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-14 19:24:56,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-14 19:24:56,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:24:56,392 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-01-14 19:24:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:24:56,460 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-01-14 19:24:56,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:24:56,462 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-01-14 19:24:56,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:24:56,464 INFO L225 Difference]: With dead ends: 42 [2019-01-14 19:24:56,464 INFO L226 Difference]: Without dead ends: 42 [2019-01-14 19:24:56,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-14 19:24:56,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-14 19:24:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-14 19:24:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-14 19:24:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-01-14 19:24:56,477 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-01-14 19:24:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:24:56,478 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-01-14 19:24:56,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-14 19:24:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-01-14 19:24:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:24:56,480 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:24:56,480 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, 1, 1] [2019-01-14 19:24:56,481 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:24:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:24:56,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1021169851, now seen corresponding path program 1 times [2019-01-14 19:24:56,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:24:56,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:24:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:56,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:24:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:24:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:24:56,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:24:56,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-14 19:24:56,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-14 19:24:56,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-14 19:24:56,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:24:56,684 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 9 states. [2019-01-14 19:24:56,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:24:56,925 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-01-14 19:24:56,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:24:56,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-01-14 19:24:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:24:56,928 INFO L225 Difference]: With dead ends: 54 [2019-01-14 19:24:56,928 INFO L226 Difference]: Without dead ends: 52 [2019-01-14 19:24:56,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-14 19:24:56,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-14 19:24:56,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2019-01-14 19:24:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-14 19:24:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-01-14 19:24:56,936 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 24 [2019-01-14 19:24:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:24:56,936 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-01-14 19:24:56,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-14 19:24:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-01-14 19:24:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:24:56,938 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:24:56,938 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, 1, 1] [2019-01-14 19:24:56,938 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:24:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:24:56,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1150252570, now seen corresponding path program 1 times [2019-01-14 19:24:56,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:24:56,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:24:56,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:56,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:24:56,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:24:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:24:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:24:56,992 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:24:57,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:24:57,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:24:57,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:24:57 BoogieIcfgContainer [2019-01-14 19:24:57,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:24:57,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:24:57,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:24:57,024 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:24:57,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:24:55" (3/4) ... [2019-01-14 19:24:57,027 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 19:24:57,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:24:57,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:24:57,080 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 19:24:57,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:24:57,081 INFO L168 Benchmark]: Toolchain (without parser) took 5029.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 940.6 MB in the beginning and 921.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 176.7 MB. Max. memory is 11.5 GB. [2019-01-14 19:24:57,083 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:24:57,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:24:57,085 INFO L168 Benchmark]: Boogie Preprocessor took 100.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:24:57,085 INFO L168 Benchmark]: RCFGBuilder took 2145.75 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: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. [2019-01-14 19:24:57,086 INFO L168 Benchmark]: TraceAbstraction took 1979.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 921.7 MB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:24:57,087 INFO L168 Benchmark]: Witness Printer took 56.34 ms. Allocated memory is still 1.2 GB. Free memory is still 921.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:24:57,091 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 742.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2145.75 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: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1979.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 921.7 MB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.34 ms. Allocated memory is still 1.2 GB. Free memory is still 921.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1449]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={1:0}] [L1460] CALL entry_point() VAL [ldv_global_msg_list={1:0}] [L1454] int condition = __VERIFIER_nondet_int(); [L1455] CALL, EXPR alloc_16(condition) VAL [\old(condition)=1, ldv_global_msg_list={1:0}] [L1440] COND TRUE \read(condition) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}] [L1441] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] return 0; VAL [\old(size)=4, \result={0:0}, ldv_global_msg_list={1:0}, size=4] [L1441] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A16))={0:0}] [L1441] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L1442] return p; VAL [\old(condition)=1, \result={0:0}, condition=1, ldv_global_msg_list={1:0}, p={0:0}] [L1455] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={0:0}, condition=1, ldv_global_msg_list={1:0}] [L1455] struct A16 *p = alloc_16(condition); [L1456] CALL free_16(p, condition) VAL [\old(condition)=1, ldv_global_msg_list={1:0}, p={0:0}] [L1448] COND TRUE \read(condition) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] [L1449] free(p) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] [L1449] free(p) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 334 locations, 74 error locations. UNSAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 123 SDtfs, 57 SDslu, 491 SDs, 0 SdLazy, 193 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...