./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f6fb2bb1 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 3ab5f5ff4d71ad122b783c0775421c4a24259f1b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:48:41,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:48:41,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:48:41,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:48:41,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:48:41,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:48:41,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:48:41,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:48:41,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:48:41,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:48:41,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:48:41,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:48:41,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:48:41,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:48:41,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:48:41,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:48:41,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:48:41,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:48:41,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:48:41,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:48:41,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:48:41,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:48:41,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:48:41,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:48:41,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:48:41,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:48:41,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:48:41,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:48:41,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:48:41,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:48:41,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:48:41,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:48:41,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:48:41,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:48:41,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:48:41,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:48:41,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:48:41,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:48:41,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:48:41,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:48:41,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:48:41,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-19 19:48:41,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:48:41,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:48:41,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:48:41,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:48:41,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:48:41,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:48:41,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:48:41,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:48:41,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:48:41,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:48:41,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:48:41,836 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-19 19:48:41,837 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-19 19:48:41,837 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-19 19:48:41,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:48:41,838 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 19:48:41,838 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 19:48:41,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:48:41,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:48:41,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:48:41,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:48:41,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:48:41,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:48:41,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:48:41,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:48:41,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:48:41,841 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 19:48:41,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 19:48:41,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 19:48:41,842 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 3ab5f5ff4d71ad122b783c0775421c4a24259f1b [2019-11-19 19:48:42,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:48:42,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:48:42,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:48:42,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:48:42,207 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:48:42,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2019-11-19 19:48:42,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b72a893/bf328d5b95104c5c82176651783699cd/FLAG3df543a38 [2019-11-19 19:48:42,899 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:48:42,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2019-11-19 19:48:42,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b72a893/bf328d5b95104c5c82176651783699cd/FLAG3df543a38 [2019-11-19 19:48:43,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b72a893/bf328d5b95104c5c82176651783699cd [2019-11-19 19:48:43,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:48:43,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-19 19:48:43,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:48:43,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:48:43,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:48:43,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:43,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1acccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43, skipping insertion in model container [2019-11-19 19:48:43,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:43,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:48:43,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:48:43,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:48:43,773 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:48:43,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:48:43,960 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:48:43,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43 WrapperNode [2019-11-19 19:48:43,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:48:43,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:48:43,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:48:43,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:48:43,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:43,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:44,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:44,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:44,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:44,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:44,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (1/1) ... [2019-11-19 19:48:44,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:48:44,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:48:44,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:48:44,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:48:44,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (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 [2019-11-19 19:48:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-19 19:48:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:48:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 19:48:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-19 19:48:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-19 19:48:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-19 19:48:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-19 19:48:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-19 19:48:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-19 19:48:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-19 19:48:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-19 19:48:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-19 19:48:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-19 19:48:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-19 19:48:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-19 19:48:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-19 19:48:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-19 19:48:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-19 19:48:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-19 19:48:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-19 19:48:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-19 19:48:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-19 19:48:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-19 19:48:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-19 19:48:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-19 19:48:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-19 19:48:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-19 19:48:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-19 19:48:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-19 19:48:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-19 19:48:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-19 19:48:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-19 19:48:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-19 19:48:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-19 19:48:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-19 19:48:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-19 19:48:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-19 19:48:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-19 19:48:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-19 19:48:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-19 19:48:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-19 19:48:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2019-11-19 19:48:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-19 19:48:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-19 19:48:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-19 19:48:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-19 19:48:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-19 19:48:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-19 19:48:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-19 19:48:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-19 19:48:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-19 19:48:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-19 19:48:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-19 19:48:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-19 19:48:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-19 19:48:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-19 19:48:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-19 19:48:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-19 19:48:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-19 19:48:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-19 19:48:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-19 19:48:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-19 19:48:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-19 19:48:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-19 19:48:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-19 19:48:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-19 19:48:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-19 19:48:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-19 19:48:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-19 19:48:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-19 19:48:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-19 19:48:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-19 19:48:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-19 19:48:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-19 19:48:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-19 19:48:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-19 19:48:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-19 19:48:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-19 19:48:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-19 19:48:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-19 19:48:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-19 19:48:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-19 19:48:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-19 19:48:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-19 19:48:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-19 19:48:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-19 19:48:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-19 19:48:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-19 19:48:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-19 19:48:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-19 19:48:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-19 19:48:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-19 19:48:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-19 19:48:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-19 19:48:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-19 19:48:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-19 19:48:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-19 19:48:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-19 19:48:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-19 19:48:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-19 19:48:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-19 19:48:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-19 19:48:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-19 19:48:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-19 19:48:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-19 19:48:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-19 19:48:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-19 19:48:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-19 19:48:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-19 19:48:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-19 19:48:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-19 19:48:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-19 19:48:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-19 19:48:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-19 19:48:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-19 19:48:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-19 19:48:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-19 19:48:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-19 19:48:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-19 19:48:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-19 19:48:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-19 19:48:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-19 19:48:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-19 19:48:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-19 19:48:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-19 19:48:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-19 19:48:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-19 19:48:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-19 19:48:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-19 19:48:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-19 19:48:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-19 19:48:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-19 19:48:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-19 19:48:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-19 19:48:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-19 19:48:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-19 19:48:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-19 19:48:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-19 19:48:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-19 19:48:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-19 19:48:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-19 19:48:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-19 19:48:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-19 19:48:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-19 19:48:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-19 19:48:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-19 19:48:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-19 19:48:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-19 19:48:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-19 19:48:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-19 19:48:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-19 19:48:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-19 19:48:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-19 19:48:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-19 19:48:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-19 19:48:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-19 19:48:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-19 19:48:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-19 19:48:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-19 19:48:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-19 19:48:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-19 19:48:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-19 19:48:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 19:48:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-19 19:48:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-19 19:48:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-19 19:48:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 19:48:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-19 19:48:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-19 19:48:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-19 19:48:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 19:48:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-19 19:48:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-19 19:48:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-19 19:48:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-19 19:48:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-19 19:48:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-19 19:48:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:48:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-19 19:48:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-19 19:48:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-19 19:48:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-19 19:48:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-19 19:48:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 19:48:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 19:48:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-19 19:48:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-19 19:48:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 19:48:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-19 19:48:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-19 19:48:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-19 19:48:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-19 19:48:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-19 19:48:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-19 19:48:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-19 19:48:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-19 19:48:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-19 19:48:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-19 19:48:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-19 19:48:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-19 19:48:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-19 19:48:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-19 19:48:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2019-11-19 19:48:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-19 19:48:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-19 19:48:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-19 19:48:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:48:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 19:48:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:48:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-19 19:48:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-19 19:48:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-19 19:48:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-19 19:48:44,843 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 19:48:45,282 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 19:48:45,654 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:48:45,655 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-19 19:48:45,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:45 BoogieIcfgContainer [2019-11-19 19:48:45,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:48:45,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:48:45,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:48:45,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:48:45,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:43" (1/3) ... [2019-11-19 19:48:45,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b9dd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:45, skipping insertion in model container [2019-11-19 19:48:45,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:43" (2/3) ... [2019-11-19 19:48:45,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b9dd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:45, skipping insertion in model container [2019-11-19 19:48:45,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:45" (3/3) ... [2019-11-19 19:48:45,666 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2019-11-19 19:48:45,676 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:48:45,685 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-19 19:48:45,696 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-19 19:48:45,713 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:48:45,713 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-19 19:48:45,713 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:48:45,713 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:48:45,713 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:48:45,713 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:48:45,714 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:48:45,714 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:48:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-11-19 19:48:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 19:48:45,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:48:45,743 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:48:45,743 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:48:45,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:48:45,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1476020096, now seen corresponding path program 1 times [2019-11-19 19:48:45,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:48:45,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [218918874] [2019-11-19 19:48:45,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:48:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:48:46,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 19:48:46,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:48:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:48:46,137 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:48:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:48:46,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [218918874] [2019-11-19 19:48:46,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:48:46,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-19 19:48:46,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882574040] [2019-11-19 19:48:46,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 19:48:46,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:48:46,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 19:48:46,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:48:46,322 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 5 states. [2019-11-19 19:48:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:48:46,368 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-11-19 19:48:46,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 19:48:46,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-19 19:48:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:48:46,383 INFO L225 Difference]: With dead ends: 30 [2019-11-19 19:48:46,383 INFO L226 Difference]: Without dead ends: 27 [2019-11-19 19:48:46,385 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:48:46,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-19 19:48:46,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-19 19:48:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-19 19:48:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-11-19 19:48:46,429 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 20 [2019-11-19 19:48:46,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:48:46,430 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-11-19 19:48:46,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 19:48:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-11-19 19:48:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 19:48:46,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:48:46,432 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:48:46,644 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:48:46,644 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:48:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:48:46,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1931443519, now seen corresponding path program 1 times [2019-11-19 19:48:46,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:48:46,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1409153455] [2019-11-19 19:48:46,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:48:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:48:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:48:47,081 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-19 19:48:47,082 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 19:48:47,295 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:48:47,308 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-19 19:48:47,316 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-19 19:48:47,317 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-19 19:48:47,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:47 BoogieIcfgContainer [2019-11-19 19:48:47,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 19:48:47,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:48:47,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:48:47,340 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:48:47,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:45" (3/4) ... [2019-11-19 19:48:47,345 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:48:47,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:48:47,348 INFO L168 Benchmark]: Toolchain (without parser) took 4190.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 961.7 MB in the beginning and 860.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. [2019-11-19 19:48:47,348 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:48:47,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:48:47,350 INFO L168 Benchmark]: Boogie Preprocessor took 102.65 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:48:47,351 INFO L168 Benchmark]: RCFGBuilder took 1591.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. [2019-11-19 19:48:47,351 INFO L168 Benchmark]: TraceAbstraction took 1680.86 ms. Allocated memory is still 1.2 GB. Free memory was 979.5 MB in the beginning and 860.0 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:48:47,352 INFO L168 Benchmark]: Witness Printer took 6.23 ms. Allocated memory is still 1.2 GB. Free memory is still 860.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:48:47,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 803.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.65 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1591.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1680.86 ms. Allocated memory is still 1.2 GB. Free memory was 979.5 MB in the beginning and 860.0 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.23 ms. Allocated memory is still 1.2 GB. Free memory is still 860.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 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: - UnprovableResult [Line: 773]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 773. Possible FailurePath: [L570] 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={-2147483647:0}] [L774] CALL entry_point() VAL [ldv_global_msg_list={-2147483647:0}] [L771] CALL, EXPR alloc_21() VAL [ldv_global_msg_list={-2147483647:0}] [L763] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={-2147483647:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-2147483647:0}, malloc(size)={1:0}, size=16] [L763] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={-2147483647:0}, ldv_malloc(sizeof(struct A21))={1:0}] [L763] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L764] COND TRUE \read(*p) [L765] return &p->dev; VAL [\result={1:4}, ldv_global_msg_list={-2147483647:0}, p={1:0}] [L771] RET, EXPR alloc_21() VAL [alloc_21()={1:4}, ldv_global_msg_list={-2147483647:0}] [L771] struct ldv_device *dev = alloc_21(); [L774] RET entry_point() VAL [ldv_global_msg_list={-2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 328 locations, 71 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 2 SDslu, 66 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1178 SizeOfPredicates, 1 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...