./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_2_false-valid-memtrack_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_2_false-valid-memtrack_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 b6b92b9f848445aceba527387fce4d09a311e956 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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_2_false-valid-memtrack_true-termination.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 b6b92b9f848445aceba527387fce4d09a311e956 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:05:44,642 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:05:44,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:05:44,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:05:44,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:05:44,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:05:44,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:05:44,661 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:05:44,662 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:05:44,663 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:05:44,664 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:05:44,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:05:44,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:05:44,667 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:05:44,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:05:44,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:05:44,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:05:44,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:05:44,674 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:05:44,675 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:05:44,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:05:44,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:05:44,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:05:44,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:05:44,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:05:44,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:05:44,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:05:44,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:05:44,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:05:44,686 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:05:44,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:05:44,687 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:05:44,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:05:44,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:05:44,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:05:44,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:05:44,690 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:05:44,717 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:05:44,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:05:44,719 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:05:44,720 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:05:44,721 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:05:44,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:05:44,721 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:05:44,721 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:05:44,721 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:05:44,722 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:05:44,722 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:05:44,722 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:05:44,722 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:05:44,722 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:05:44,722 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:05:44,723 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:05:44,725 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:05:44,725 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:05:44,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:05:44,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:05:44,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:05:44,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:05:44,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:05:44,726 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:05:44,727 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:05:44,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:05:44,727 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 -> b6b92b9f848445aceba527387fce4d09a311e956 [2019-01-13 23:05:44,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:05:44,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:05:44,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:05:44,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:05:44,809 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:05:44,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_2_false-valid-memtrack_true-termination.i [2019-01-13 23:05:44,876 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1479dba/75204902ae3f4af09ee226993476bc90/FLAG759d9de3b [2019-01-13 23:05:45,438 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:05:45,438 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_2_false-valid-memtrack_true-termination.i [2019-01-13 23:05:45,463 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1479dba/75204902ae3f4af09ee226993476bc90/FLAG759d9de3b [2019-01-13 23:05:45,654 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1479dba/75204902ae3f4af09ee226993476bc90 [2019-01-13 23:05:45,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:05:45,660 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:05:45,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:05:45,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:05:45,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:05:45,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:05:45" (1/1) ... [2019-01-13 23:05:45,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e115910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:45, skipping insertion in model container [2019-01-13 23:05:45,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:05:45" (1/1) ... [2019-01-13 23:05:45,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:05:45,725 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:05:46,171 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:05:46,193 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:05:46,388 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:05:46,501 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:05:46,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46 WrapperNode [2019-01-13 23:05:46,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:05:46,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:05:46,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:05:46,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:05:46,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (1/1) ... [2019-01-13 23:05:46,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:05:46,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:05:46,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:05:46,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:05:46,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (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 [2019-01-13 23:05:46,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:05:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:05:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:05:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:05:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:05:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:05:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:05:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:05:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:05:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:05:46,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:05:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:05:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:05:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:05:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:05:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:05:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:05:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:05:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:05:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:05:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:05:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:05:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:05:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:05:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:05:46,695 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:05:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:05:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:05:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:05:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:05:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:05:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:05:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:05:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:05:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:05:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:05:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:05:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:05:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:05:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:05:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:05:46,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:05:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:05:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:05:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:05:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:05:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:05:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:05:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:05:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:05:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:05:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:05:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:05:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:05:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:05:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:05:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:05:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:05:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:05:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:05:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:05:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:05:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:05:47,394 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:05:48,083 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:05:48,605 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:05:48,605 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:05:48,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:05:48 BoogieIcfgContainer [2019-01-13 23:05:48,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:05:48,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:05:48,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:05:48,612 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:05:48,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:05:45" (1/3) ... [2019-01-13 23:05:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a946c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:05:48, skipping insertion in model container [2019-01-13 23:05:48,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:46" (2/3) ... [2019-01-13 23:05:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a946c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:05:48, skipping insertion in model container [2019-01-13 23:05:48,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:05:48" (3/3) ... [2019-01-13 23:05:48,615 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2_false-valid-memtrack_true-termination.i [2019-01-13 23:05:48,625 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:05:48,634 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-13 23:05:48,652 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-13 23:05:48,679 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:05:48,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:05:48,680 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:05:48,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:05:48,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:05:48,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:05:48,681 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:05:48,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:05:48,682 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:05:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-01-13 23:05:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:05:48,713 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:05:48,714 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:05:48,717 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:05:48,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:05:48,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1238620472, now seen corresponding path program 1 times [2019-01-13 23:05:48,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:05:48,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:05:48,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:05:48,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:05:48,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:05:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:05:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:05:48,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:05:48,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:05:48,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:05:48,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:05:48,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:05:48,941 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2019-01-13 23:05:49,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:05:49,158 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-13 23:05:49,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:05:49,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-01-13 23:05:49,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:05:49,170 INFO L225 Difference]: With dead ends: 35 [2019-01-13 23:05:49,170 INFO L226 Difference]: Without dead ends: 23 [2019-01-13 23:05:49,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:05:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-01-13 23:05:49,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-01-13 23:05:49,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-13 23:05:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2019-01-13 23:05:49,212 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2019-01-13 23:05:49,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:05:49,212 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2019-01-13 23:05:49,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:05:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2019-01-13 23:05:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:05:49,214 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:05:49,214 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] [2019-01-13 23:05:49,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:05:49,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:05:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash 2133158661, now seen corresponding path program 1 times [2019-01-13 23:05:49,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:05:49,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:05:49,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:05:49,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:05:49,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:05:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:05:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:05:49,379 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:05:49,397 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:05:49,405 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# [2019-01-13 23:05:49,405 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# [2019-01-13 23:05:49,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:05:49 BoogieIcfgContainer [2019-01-13 23:05:49,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:05:49,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:05:49,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:05:49,424 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:05:49,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:05:48" (3/4) ... [2019-01-13 23:05:49,429 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:05:49,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:05:49,430 INFO L168 Benchmark]: Toolchain (without parser) took 3770.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.4 MB in the beginning and 982.8 MB in the end (delta: -31.4 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:49,432 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:05:49,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:49,434 INFO L168 Benchmark]: Boogie Preprocessor took 116.39 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:49,435 INFO L168 Benchmark]: RCFGBuilder took 1987.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:49,436 INFO L168 Benchmark]: TraceAbstraction took 815.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:49,437 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 1.2 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:05:49,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 841.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.39 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1987.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 815.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.23 ms. Allocated memory is still 1.2 GB. Free memory is still 982.8 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: 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: - UnprovableResult [Line: 1453]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1453. Possible 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}] [L1454] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1448] int condition = __VERIFIER_nondet_int(); [L1449] 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 TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={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))={1:0}] [L1441] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L1442] return p; VAL [\old(condition)=1, \result={1:0}, condition=1, ldv_global_msg_list={-1:0}, p={1:0}] [L1449] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=1, ldv_global_msg_list={-1:0}] [L1449] struct A16 *p = alloc_16(condition); [L1454] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 322 locations, 71 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:05:51,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:05:51,636 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:05:51,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:05:51,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:05:51,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:05:51,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:05:51,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:05:51,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:05:51,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:05:51,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:05:51,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:05:51,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:05:51,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:05:51,662 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:05:51,663 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:05:51,664 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:05:51,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:05:51,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:05:51,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:05:51,670 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:05:51,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:05:51,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:05:51,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:05:51,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:05:51,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:05:51,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:05:51,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:05:51,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:05:51,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:05:51,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:05:51,682 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:05:51,682 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:05:51,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:05:51,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:05:51,686 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:05:51,687 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:05:51,703 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:05:51,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:05:51,704 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:05:51,704 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:05:51,704 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:05:51,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:05:51,705 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:05:51,705 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:05:51,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:05:51,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:05:51,705 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:05:51,706 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:05:51,706 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:05:51,706 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:05:51,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:05:51,706 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:05:51,706 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:05:51,707 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:05:51,707 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:05:51,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:05:51,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:05:51,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:05:51,708 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:05:51,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:05:51,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:05:51,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:05:51,708 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:05:51,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:05:51,709 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:05:51,709 INFO L133 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 -> b6b92b9f848445aceba527387fce4d09a311e956 [2019-01-13 23:05:51,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:05:51,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:05:51,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:05:51,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:05:51,778 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:05:51,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_2_false-valid-memtrack_true-termination.i [2019-01-13 23:05:51,845 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbc247c4/27deeae93b8d4d94b6baf818aaecb5fd/FLAGe90bed9a6 [2019-01-13 23:05:52,333 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:05:52,334 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_2_false-valid-memtrack_true-termination.i [2019-01-13 23:05:52,349 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbc247c4/27deeae93b8d4d94b6baf818aaecb5fd/FLAGe90bed9a6 [2019-01-13 23:05:52,597 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbc247c4/27deeae93b8d4d94b6baf818aaecb5fd [2019-01-13 23:05:52,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:05:52,602 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:05:52,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:05:52,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:05:52,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:05:52,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:05:52" (1/1) ... [2019-01-13 23:05:52,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169c7a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:52, skipping insertion in model container [2019-01-13 23:05:52,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:05:52" (1/1) ... [2019-01-13 23:05:52,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:05:52,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:05:53,171 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:05:53,211 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:05:53,409 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:05:53,522 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:05:53,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53 WrapperNode [2019-01-13 23:05:53,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:05:53,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:05:53,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:05:53,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:05:53,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (1/1) ... [2019-01-13 23:05:53,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:05:53,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:05:53,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:05:53,668 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:05:53,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (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 [2019-01-13 23:05:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:05:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:05:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:05:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:05:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:05:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:05:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:05:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:05:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:05:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:05:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:05:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:05:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:05:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:05:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:05:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:05:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:05:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:05:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:05:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:05:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:05:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:05:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:05:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:05:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:05:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:05:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:05:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:05:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:05:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:05:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:05:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:05:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:05:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:05:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:05:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:05:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:05:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:05:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:05:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:05:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:05:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:05:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:05:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:05:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:05:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:05:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:05:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:05:54,454 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:05:55,579 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:05:56,583 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:05:56,583 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:05:56,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:05:56 BoogieIcfgContainer [2019-01-13 23:05:56,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:05:56,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:05:56,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:05:56,589 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:05:56,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:05:52" (1/3) ... [2019-01-13 23:05:56,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd65714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:05:56, skipping insertion in model container [2019-01-13 23:05:56,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:05:53" (2/3) ... [2019-01-13 23:05:56,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd65714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:05:56, skipping insertion in model container [2019-01-13 23:05:56,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:05:56" (3/3) ... [2019-01-13 23:05:56,594 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2_false-valid-memtrack_true-termination.i [2019-01-13 23:05:56,604 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:05:56,614 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-13 23:05:56,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-13 23:05:56,658 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:05:56,659 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:05:56,660 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:05:56,660 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:05:56,660 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:05:56,661 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:05:56,661 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:05:56,661 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:05:56,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:05:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-01-13 23:05:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:05:56,691 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:05:56,692 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:05:56,695 INFO L423 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_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2019-01-13 23:05:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:05:56,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1833984360, now seen corresponding path program 1 times [2019-01-13 23:05:56,708 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:05:56,709 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-13 23:05:56,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:05:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:05:56,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:05:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:05:56,833 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:05:56,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:05:56,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:05:56,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:05:56,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:05:56,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:05:56,860 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2019-01-13 23:05:57,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:05:57,082 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-13 23:05:57,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:05:57,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-01-13 23:05:57,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:05:57,099 INFO L225 Difference]: With dead ends: 35 [2019-01-13 23:05:57,099 INFO L226 Difference]: Without dead ends: 23 [2019-01-13 23:05:57,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:05:57,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-01-13 23:05:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-01-13 23:05:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-13 23:05:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2019-01-13 23:05:57,161 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2019-01-13 23:05:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:05:57,161 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2019-01-13 23:05:57,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:05:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2019-01-13 23:05:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:05:57,164 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:05:57,164 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] [2019-01-13 23:05:57,164 INFO L423 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_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2019-01-13 23:05:57,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:05:57,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1499109881, now seen corresponding path program 1 times [2019-01-13 23:05:57,167 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:05:57,168 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-13 23:05:57,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:05:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:05:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:05:57,420 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:05:57,437 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:05:57,443 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:05:57,444 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:05:57,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:05:57 BoogieIcfgContainer [2019-01-13 23:05:57,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:05:57,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:05:57,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:05:57,455 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:05:57,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:05:56" (3/4) ... [2019-01-13 23:05:57,462 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:05:57,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:05:57,463 INFO L168 Benchmark]: Toolchain (without parser) took 4862.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 942.0 MB in the beginning and 918.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 129.9 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:57,466 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:05:57,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:57,468 INFO L168 Benchmark]: Boogie Preprocessor took 143.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:57,469 INFO L168 Benchmark]: RCFGBuilder took 2917.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.0 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:57,470 INFO L168 Benchmark]: TraceAbstraction took 869.14 ms. Allocated memory is still 1.1 GB. Free memory was 970.0 MB in the beginning and 918.0 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:05:57,471 INFO L168 Benchmark]: Witness Printer took 7.31 ms. Allocated memory is still 1.1 GB. Free memory is still 918.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:05:57,477 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 920.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2917.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.0 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 869.14 ms. Allocated memory is still 1.1 GB. Free memory was 970.0 MB in the beginning and 918.0 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.31 ms. Allocated memory is still 1.1 GB. Free memory is still 918.0 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: 1453]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1453. Possible 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={-2147483647:0}] [L1454] CALL entry_point() VAL [ldv_global_msg_list={-2147483647:0}] [L1448] int condition = __VERIFIER_nondet_int(); [L1449] CALL, EXPR alloc_16(condition) VAL [\old(condition)=1, ldv_global_msg_list={-2147483647:0}] [L1440] COND TRUE \read(condition) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={-2147483647:0}] [L1441] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483647:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={-2147483647:0}, malloc(size)={1:0}, size=4] [L1441] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={-2147483647:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L1441] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L1442] return p; VAL [\old(condition)=1, \result={1:0}, condition=1, ldv_global_msg_list={-2147483647:0}, p={1:0}] [L1449] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=1, ldv_global_msg_list={-2147483647:0}] [L1449] struct A16 *p = alloc_16(condition); [L1454] RET entry_point() VAL [ldv_global_msg_list={-2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 324 locations, 71 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...