./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed29e343041979fe95e5835578848b9a30317117 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:20:01,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:20:01,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:20:01,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:20:01,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:20:01,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:20:01,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:20:01,598 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:20:01,601 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:20:01,607 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:20:01,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:20:01,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:20:01,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:20:01,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:20:01,616 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:20:01,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:20:01,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:20:01,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:20:01,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:20:01,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:20:01,633 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:20:01,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:20:01,641 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:20:01,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:20:01,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:20:01,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:20:01,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:20:01,645 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:20:01,646 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:20:01,650 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:20:01,650 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:20:01,651 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:20:01,651 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:20:01,652 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:20:01,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:20:01,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:20:01,657 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:20:01,681 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:20:01,682 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:20:01,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:20:01,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:20:01,685 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:20:01,685 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:20:01,685 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:20:01,686 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:20:01,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:20:01,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:20:01,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:20:01,687 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:20:01,687 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:20:01,687 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:20:01,687 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:20:01,688 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:20:01,688 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:20:01,688 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:20:01,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:20:01,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:20:01,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:20:01,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:20:01,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:20:01,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:20:01,691 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:20:01,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:20:01,692 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 -> ed29e343041979fe95e5835578848b9a30317117 [2019-01-13 23:20:01,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:20:01,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:20:01,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:20:01,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:20:01,754 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:20:01,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2019-01-13 23:20:01,809 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/897e0ea8b/6f70b57173cc4587a926984aaae8c01d/FLAGcf18c5ae0 [2019-01-13 23:20:02,339 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:20:02,340 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2019-01-13 23:20:02,358 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/897e0ea8b/6f70b57173cc4587a926984aaae8c01d/FLAGcf18c5ae0 [2019-01-13 23:20:02,563 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/897e0ea8b/6f70b57173cc4587a926984aaae8c01d [2019-01-13 23:20:02,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:20:02,567 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:20:02,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:20:02,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:20:02,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:20:02,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:20:02" (1/1) ... [2019-01-13 23:20:02,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27853e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:02, skipping insertion in model container [2019-01-13 23:20:02,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:20:02" (1/1) ... [2019-01-13 23:20:02,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:20:02,644 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:20:03,064 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:20:03,086 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:20:03,261 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:20:03,353 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:20:03,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03 WrapperNode [2019-01-13 23:20:03,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:20:03,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:20:03,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:20:03,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:20:03,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (1/1) ... [2019-01-13 23:20:03,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:20:03,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:20:03,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:20:03,458 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:20:03,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (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 23:20:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:20:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:20:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:20:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:20:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:20:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:20:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:20:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:20:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:20:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:20:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:20:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:20:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:20:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:20:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:20:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:20:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:20:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:20:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:20:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:20:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:20:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:20:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:20:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:20:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:20:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:20:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:20:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:20:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:20:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:20:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:20:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:20:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:20:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:20:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:20:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:20:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:20:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:20:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:20:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:20:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:20:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:20:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:20:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:20:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:20:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:20:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:20:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:20:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:20:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:20:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:20:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:20:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:20:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:20:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:20:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:20:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:20:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:20:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:20:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:20:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:20:04,220 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:20:04,925 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:20:05,462 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:20:05,463 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:20:05,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:20:05 BoogieIcfgContainer [2019-01-13 23:20:05,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:20:05,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:20:05,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:20:05,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:20:05,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:20:02" (1/3) ... [2019-01-13 23:20:05,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585471da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:20:05, skipping insertion in model container [2019-01-13 23:20:05,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:20:03" (2/3) ... [2019-01-13 23:20:05,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585471da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:20:05, skipping insertion in model container [2019-01-13 23:20:05,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:20:05" (3/3) ... [2019-01-13 23:20:05,473 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_true-valid-memsafety_true-termination.i [2019-01-13 23:20:05,483 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:20:05,492 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-01-13 23:20:05,510 INFO L257 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-01-13 23:20:05,536 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:20:05,537 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:20:05,539 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:20:05,539 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:20:05,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:20:05,539 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:20:05,540 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:20:05,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:20:05,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:20:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-01-13 23:20:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:20:05,568 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:20:05,569 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:20:05,572 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:20:05,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:20:05,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1945389484, now seen corresponding path program 1 times [2019-01-13 23:20:05,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:20:05,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:20:05,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:05,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:20:05,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:20:05,916 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 23:20:05,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:20:05,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:20:05,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:20:05,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:20:05,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:20:05,947 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-01-13 23:20:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:20:06,315 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2019-01-13 23:20:06,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:20:06,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-13 23:20:06,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:20:06,329 INFO L225 Difference]: With dead ends: 53 [2019-01-13 23:20:06,330 INFO L226 Difference]: Without dead ends: 50 [2019-01-13 23:20:06,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:20:06,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-13 23:20:06,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 35. [2019-01-13 23:20:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-13 23:20:06,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2019-01-13 23:20:06,382 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 16 [2019-01-13 23:20:06,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:20:06,383 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2019-01-13 23:20:06,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:20:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-01-13 23:20:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:20:06,386 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:20:06,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:20:06,387 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:20:06,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:20:06,388 INFO L82 PathProgramCache]: Analyzing trace with hash -606767477, now seen corresponding path program 1 times [2019-01-13 23:20:06,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:20:06,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:20:06,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:20:06,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:20:06,454 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 23:20:06,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:20:06,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:20:06,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:20:06,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:20:06,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:20:06,457 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 3 states. [2019-01-13 23:20:06,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:20:06,588 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2019-01-13 23:20:06,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:20:06,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-01-13 23:20:06,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:20:06,590 INFO L225 Difference]: With dead ends: 46 [2019-01-13 23:20:06,590 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:20:06,591 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 23:20:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:20:06,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 31. [2019-01-13 23:20:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-13 23:20:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-01-13 23:20:06,599 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 16 [2019-01-13 23:20:06,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:20:06,599 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-01-13 23:20:06,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:20:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-13 23:20:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:20:06,600 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:20:06,600 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:20:06,601 INFO L423 AbstractCegarLoop]: === Iteration 3 === [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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:20:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:20:06,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2130356133, now seen corresponding path program 1 times [2019-01-13 23:20:06,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:20:06,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:20:06,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:20:06,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:20:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:20:06,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:20:06,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:20:06,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:20:06,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:20:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:20:06,719 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 5 states. [2019-01-13 23:20:06,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:20:06,736 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-01-13 23:20:06,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:20:06,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-13 23:20:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:20:06,739 INFO L225 Difference]: With dead ends: 30 [2019-01-13 23:20:06,739 INFO L226 Difference]: Without dead ends: 30 [2019-01-13 23:20:06,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:20:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-13 23:20:06,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-13 23:20:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-13 23:20:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-01-13 23:20:06,744 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-01-13 23:20:06,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:20:06,745 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-01-13 23:20:06,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:20:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-01-13 23:20:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:20:06,746 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:20:06,746 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:20:06,747 INFO L423 AbstractCegarLoop]: === Iteration 4 === [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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:20:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:20:06,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1616530316, now seen corresponding path program 1 times [2019-01-13 23:20:06,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:20:06,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:20:06,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:20:06,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:20:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:20:06,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:20:06,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:20:06,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:20:06,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:20:06,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:20:06,876 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 5 states. [2019-01-13 23:20:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:20:06,959 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-01-13 23:20:06,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:20:06,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-01-13 23:20:06,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:20:06,962 INFO L225 Difference]: With dead ends: 35 [2019-01-13 23:20:06,963 INFO L226 Difference]: Without dead ends: 35 [2019-01-13 23:20:06,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:20:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-13 23:20:06,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-13 23:20:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-13 23:20:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2019-01-13 23:20:06,969 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 21 [2019-01-13 23:20:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:20:06,969 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2019-01-13 23:20:06,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:20:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2019-01-13 23:20:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:20:06,970 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:20:06,971 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:20:06,971 INFO L423 AbstractCegarLoop]: === Iteration 5 === [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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:20:06,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:20:06,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1587901165, now seen corresponding path program 1 times [2019-01-13 23:20:06,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:20:06,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:20:06,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:20:06,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:20:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:20:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:20:07,028 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:20:07,046 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 23:20:07,047 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 23:20:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:20:07 BoogieIcfgContainer [2019-01-13 23:20:07,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:20:07,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:20:07,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:20:07,059 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:20:07,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:20:05" (3/4) ... [2019-01-13 23:20:07,066 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 23:20:07,072 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 23:20:07,072 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 23:20:07,116 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 23:20:07,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:20:07,117 INFO L168 Benchmark]: Toolchain (without parser) took 4550.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.0 MB in the beginning and 922.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 148.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:20:07,119 INFO L168 Benchmark]: CDTParser took 0.19 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 23:20:07,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2019-01-13 23:20:07,120 INFO L168 Benchmark]: Boogie Preprocessor took 103.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:20:07,124 INFO L168 Benchmark]: RCFGBuilder took 2007.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:20:07,125 INFO L168 Benchmark]: TraceAbstraction took 1591.88 ms. Allocated memory is still 1.2 GB. Free memory was 990.9 MB in the beginning and 928.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:20:07,125 INFO L168 Benchmark]: Witness Printer took 57.90 ms. Allocated memory is still 1.2 GB. Free memory was 928.9 MB in the beginning and 922.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:20:07,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 785.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2007.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1591.88 ms. Allocated memory is still 1.2 GB. Free memory was 990.9 MB in the beginning and 928.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * Witness Printer took 57.90 ms. Allocated memory is still 1.2 GB. Free memory was 928.9 MB in the beginning and 922.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1437]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1:0}] [L1443] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1434] CALL, EXPR ldv_malloc(sizeof(int)) 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={2:0}, ldv_global_msg_list={-1:0}, malloc(size)={2:0}, size=4] [L1434] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(int))={2:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] COND TRUE \read(*p) VAL [ldv_global_msg_list={-1:0}, p={2:0}] [L1436] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1:0}] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] return 0; VAL [\old(size)=4, \result={0:0}, ldv_global_msg_list={-1:0}, size=4] [L1436] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(int))={0:0}, p={2:0}] [L1436] int *q = (int *)ldv_malloc(sizeof(int)); [L1437] free(q) VAL [ldv_global_msg_list={-1:0}, p={2:0}, q={0:0}] [L1437] free(q) VAL [ldv_global_msg_list={-1:0}, p={2:0}, q={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 330 locations, 77 error locations. UNSAFE Result, 1.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 44 SDslu, 234 SDs, 0 SdLazy, 86 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 2273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...