./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test9_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test9_1_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 56c8039fadf202d7112858f8720c1e992482ac73 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_test9_1_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 56c8039fadf202d7112858f8720c1e992482ac73 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:52:22,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:52:22,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:52:22,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:52:22,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:52:22,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:52:22,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:52:22,534 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:52:22,536 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:52:22,537 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:52:22,538 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:52:22,538 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:52:22,540 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:52:22,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:52:22,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:52:22,543 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:52:22,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:52:22,546 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:52:22,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:52:22,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:52:22,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:52:22,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:52:22,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:52:22,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:52:22,556 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:52:22,557 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:52:22,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:52:22,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:52:22,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:52:22,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:52:22,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:52:22,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:52:22,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:52:22,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:52:22,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:52:22,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:52:22,571 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:52:22,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:52:22,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:52:22,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:52:22,593 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:52:22,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:52:22,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:52:22,595 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:52:22,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:52:22,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:52:22,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:52:22,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:52:22,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:52:22,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:52:22,596 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:52:22,597 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:52:22,598 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:52:22,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:52:22,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:52:22,598 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:52:22,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:52:22,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:52:22,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:52:22,600 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:52:22,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:22,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:52:22,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:52:22,601 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:52:22,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:52:22,601 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 -> 56c8039fadf202d7112858f8720c1e992482ac73 [2018-11-28 22:52:22,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:52:22,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:52:22,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:52:22,679 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:52:22,680 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:52:22,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test9_1_false-valid-memtrack_true-termination.i [2018-11-28 22:52:22,749 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678e71e0c/97224676ba04411cbb40fe90ea4d56d8/FLAGf86d5f439 [2018-11-28 22:52:23,255 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:52:23,258 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test9_1_false-valid-memtrack_true-termination.i [2018-11-28 22:52:23,274 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678e71e0c/97224676ba04411cbb40fe90ea4d56d8/FLAGf86d5f439 [2018-11-28 22:52:23,527 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678e71e0c/97224676ba04411cbb40fe90ea4d56d8 [2018-11-28 22:52:23,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:52:23,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:52:23,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:23,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:52:23,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:52:23,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:23" (1/1) ... [2018-11-28 22:52:23,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f81602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:23, skipping insertion in model container [2018-11-28 22:52:23,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:23" (1/1) ... [2018-11-28 22:52:23,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:52:23,627 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:52:24,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:24,125 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:52:24,326 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:24,419 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:52:24,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24 WrapperNode [2018-11-28 22:52:24,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:24,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:52:24,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:52:24,422 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:52:24,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... [2018-11-28 22:52:24,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:52:24,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:52:24,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:52:24,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:52:24,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:52:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:52:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:52:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:52:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:52:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:52:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:52:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:52:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:52:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:52:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:52:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:52:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:52:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:52:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:52:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:52:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:52:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:52:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:52:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:52:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:52:24,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:52:24,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:52:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:52:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:52:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:52:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:52:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:52:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:52:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:52:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:52:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:52:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:52:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:52:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:52:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:52:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:52:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:52:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:52:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:52:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:52:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:52:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:52:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:52:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:52:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:52:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:52:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:52:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:52:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:52:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:52:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:52:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:52:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:52:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:52:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:52:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:52:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:52:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:52:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:52:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:52:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:52:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:52:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:52:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:52:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:52:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:52:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:52:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:52:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:52:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:52:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:52:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:52:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:52:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:52:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:52:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:52:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:52:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:52:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:52:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:52:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:52:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:52:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:52:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:52:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:52:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:52:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:52:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:52:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:52:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:52:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:52:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:52:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:52:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:52:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:52:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:52:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:52:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:52:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:52:25,479 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:26,346 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:26,773 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:52:26,774 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:52:26,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:26 BoogieIcfgContainer [2018-11-28 22:52:26,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:52:26,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:52:26,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:52:26,779 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:52:26,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:52:23" (1/3) ... [2018-11-28 22:52:26,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c25e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:26, skipping insertion in model container [2018-11-28 22:52:26,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:24" (2/3) ... [2018-11-28 22:52:26,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c25e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:26, skipping insertion in model container [2018-11-28 22:52:26,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:26" (3/3) ... [2018-11-28 22:52:26,782 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1_false-valid-memtrack_true-termination.i [2018-11-28 22:52:26,793 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:52:26,803 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:52:26,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:52:26,850 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:52:26,851 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:52:26,851 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:52:26,852 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:52:26,852 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:52:26,852 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:52:26,852 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:52:26,852 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:52:26,852 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:52:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-11-28 22:52:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 22:52:26,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:26,887 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:26,890 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:26,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:26,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1575089699, now seen corresponding path program 1 times [2018-11-28 22:52:26,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:26,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:26,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:26,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:26,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:27,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:27,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:27,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:27,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:27,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:27,391 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 5 states. [2018-11-28 22:52:27,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:27,719 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-11-28 22:52:27,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:27,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-28 22:52:27,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:27,735 INFO L225 Difference]: With dead ends: 31 [2018-11-28 22:52:27,735 INFO L226 Difference]: Without dead ends: 28 [2018-11-28 22:52:27,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:52:27,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-28 22:52:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-28 22:52:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-28 22:52:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-11-28 22:52:27,792 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 19 [2018-11-28 22:52:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:27,794 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-11-28 22:52:27,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-11-28 22:52:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:52:27,795 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:27,795 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:27,798 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:27,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:27,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1583140023, now seen corresponding path program 1 times [2018-11-28 22:52:27,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:27,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:27,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:27,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:27,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:28,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:28,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:28,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:28,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:28,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:28,110 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 5 states. [2018-11-28 22:52:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:28,277 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2018-11-28 22:52:28,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:28,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 22:52:28,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:28,289 INFO L225 Difference]: With dead ends: 39 [2018-11-28 22:52:28,291 INFO L226 Difference]: Without dead ends: 39 [2018-11-28 22:52:28,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:28,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-28 22:52:28,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2018-11-28 22:52:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-28 22:52:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-11-28 22:52:28,307 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 20 [2018-11-28 22:52:28,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:28,308 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-11-28 22:52:28,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:28,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-11-28 22:52:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:52:28,309 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:28,310 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:28,310 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:28,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:28,311 INFO L82 PathProgramCache]: Analyzing trace with hash 914875914, now seen corresponding path program 1 times [2018-11-28 22:52:28,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:28,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:28,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:28,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:28,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:28,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:28,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:28,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:28,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:28,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:28,470 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 5 states. [2018-11-28 22:52:28,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:28,527 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-11-28 22:52:28,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:28,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 22:52:28,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:28,531 INFO L225 Difference]: With dead ends: 40 [2018-11-28 22:52:28,531 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 22:52:28,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:52:28,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 22:52:28,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 27. [2018-11-28 22:52:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 22:52:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-28 22:52:28,538 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 20 [2018-11-28 22:52:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:28,538 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-28 22:52:28,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-28 22:52:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 22:52:28,540 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:28,541 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] [2018-11-28 22:52:28,541 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:28,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:28,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1832307467, now seen corresponding path program 1 times [2018-11-28 22:52:28,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:28,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:28,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:28,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:28,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:28,599 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:52:28,617 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:52:28,623 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# [2018-11-28 22:52:28,626 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# [2018-11-28 22:52:28,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:52:28 BoogieIcfgContainer [2018-11-28 22:52:28,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:52:28,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:52:28,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:52:28,637 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:52:28,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:26" (3/4) ... [2018-11-28 22:52:28,643 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:52:28,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:52:28,644 INFO L168 Benchmark]: Toolchain (without parser) took 5109.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 944.6 MB in the beginning and 941.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 134.0 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:28,646 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:28,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:28,648 INFO L168 Benchmark]: Boogie Preprocessor took 137.09 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. [2018-11-28 22:52:28,649 INFO L168 Benchmark]: RCFGBuilder took 2215.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:28,650 INFO L168 Benchmark]: TraceAbstraction took 1861.38 ms. Allocated memory is still 1.2 GB. Free memory was 996.4 MB in the beginning and 941.7 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:28,650 INFO L168 Benchmark]: Witness Printer took 6.20 ms. Allocated memory is still 1.2 GB. Free memory is still 941.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:28,656 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 884.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.09 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 2215.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1861.38 ms. Allocated memory is still 1.2 GB. Free memory was 996.4 MB in the beginning and 941.7 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.20 ms. Allocated memory is still 1.2 GB. Free memory is still 941.7 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 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: - UnprovableResult [Line: 1456]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1456. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] int *a9; VAL [\old(a9)=13, \old(a9)=12, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={14:0}] [L1457] CALL entry_point() VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] [L1448] CALL, EXPR probe_9_2() VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=0, \old(a9)=0, \old(size)=4, a9={0:0}, ldv_global_msg_list={14:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a9)=0, \old(a9)=0, \old(size)=4, \result={15:0}, a9={0:0}, ldv_global_msg_list={14:0}, malloc(size)={15:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}, ldv_malloc(sizeof(int))={15:0}] [L1437] a9 = (int *)ldv_malloc(sizeof(int)) [L1440] return - -3; VAL [\old(a9)=0, \old(a9)=0, \result=3, a9={15:0}, ldv_global_msg_list={14:0}] [L1448] RET, EXPR probe_9_2() VAL [\old(a9)=0, \old(a9)=0, a9={15:0}, ldv_global_msg_list={14:0}, probe_9_2()=3] [L1448] int ret = probe_9_2(); [L1450] COND FALSE !(ret==0) VAL [\old(a9)=0, \old(a9)=0, a9={15:0}, ldv_global_msg_list={14:0}, ret=3] [L1453] a9 = 0 VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}, ret=3] [L1457] RET entry_point() VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 320 locations, 69 error locations. UNSAFE Result, 1.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 SDtfs, 41 SDslu, 205 SDs, 0 SdLazy, 44 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 0.1.24-91b1670 [2018-11-28 22:52:31,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:52:31,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:52:31,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:52:31,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:52:31,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:52:31,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:52:31,105 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:52:31,107 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:52:31,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:52:31,113 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:52:31,114 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:52:31,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:52:31,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:52:31,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:52:31,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:52:31,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:52:31,126 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:52:31,136 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:52:31,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:52:31,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:52:31,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:52:31,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:52:31,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:52:31,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:52:31,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:52:31,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:52:31,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:52:31,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:52:31,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:52:31,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:52:31,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:52:31,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:52:31,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:52:31,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:52:31,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:52:31,166 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 22:52:31,192 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:52:31,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:52:31,193 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:52:31,194 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:52:31,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:52:31,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:52:31,195 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:52:31,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:52:31,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:52:31,195 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:52:31,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:52:31,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:52:31,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:52:31,196 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:52:31,196 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:52:31,196 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:52:31,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:52:31,198 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 22:52:31,198 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 22:52:31,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:52:31,199 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:52:31,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:52:31,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:52:31,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:52:31,200 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:52:31,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:31,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:52:31,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:52:31,200 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 22:52:31,201 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:52:31,201 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 22:52:31,201 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 -> 56c8039fadf202d7112858f8720c1e992482ac73 [2018-11-28 22:52:31,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:52:31,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:52:31,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:52:31,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:52:31,273 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:52:31,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test9_1_false-valid-memtrack_true-termination.i [2018-11-28 22:52:31,334 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c832e2f0f/3fc745e73315492c8a4e164ce5c5cc45/FLAG406e66dc7 [2018-11-28 22:52:31,911 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:52:31,912 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test9_1_false-valid-memtrack_true-termination.i [2018-11-28 22:52:31,928 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c832e2f0f/3fc745e73315492c8a4e164ce5c5cc45/FLAG406e66dc7 [2018-11-28 22:52:32,159 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c832e2f0f/3fc745e73315492c8a4e164ce5c5cc45 [2018-11-28 22:52:32,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:52:32,164 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:52:32,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:32,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:52:32,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:52:32,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:32,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b3a802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32, skipping insertion in model container [2018-11-28 22:52:32,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:32,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:52:32,232 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:52:32,667 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:32,695 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:52:32,866 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:32,954 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:52:32,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32 WrapperNode [2018-11-28 22:52:32,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:32,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:52:32,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:52:32,955 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:52:32,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:32,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:33,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:33,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:33,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:33,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:33,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... [2018-11-28 22:52:33,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:52:33,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:52:33,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:52:33,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:52:33,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:52:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:52:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:52:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:52:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:52:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:52:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:52:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:52:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:52:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:52:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:52:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:52:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:52:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:52:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:52:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:52:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:52:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:52:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:52:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:52:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:52:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:52:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:52:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:52:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:52:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:52:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:52:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:52:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:52:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:52:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:52:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:52:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:52:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:52:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:52:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:52:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:52:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:52:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:52:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:52:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:52:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:52:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:52:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:52:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:52:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:52:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:52:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:52:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:52:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:52:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:52:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:52:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:52:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:52:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:52:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:52:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:52:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:52:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:52:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:52:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 22:52:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:52:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:52:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:52:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:52:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:52:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:52:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:52:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:52:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 22:52:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 22:52:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:52:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:52:33,915 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:35,011 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:35,798 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:52:35,799 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:52:35,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:35 BoogieIcfgContainer [2018-11-28 22:52:35,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:52:35,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:52:35,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:52:35,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:52:35,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:52:32" (1/3) ... [2018-11-28 22:52:35,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e5985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:35, skipping insertion in model container [2018-11-28 22:52:35,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:32" (2/3) ... [2018-11-28 22:52:35,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e5985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:35, skipping insertion in model container [2018-11-28 22:52:35,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:35" (3/3) ... [2018-11-28 22:52:35,809 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1_false-valid-memtrack_true-termination.i [2018-11-28 22:52:35,820 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:52:35,830 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:52:35,849 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:52:35,878 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:52:35,879 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:52:35,879 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:52:35,880 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:52:35,880 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:52:35,880 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:52:35,880 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:52:35,881 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:52:35,881 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:52:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-11-28 22:52:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 22:52:35,913 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:35,914 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:35,917 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:35,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:35,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1493446109, now seen corresponding path program 1 times [2018-11-28 22:52:35,927 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:35,927 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 [2018-11-28 22:52:35,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:36,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:36,302 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 22:52:36,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:36,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:36,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:36,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:36,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:36,362 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 5 states. [2018-11-28 22:52:36,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:36,762 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-11-28 22:52:36,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:36,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-28 22:52:36,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:36,776 INFO L225 Difference]: With dead ends: 31 [2018-11-28 22:52:36,776 INFO L226 Difference]: Without dead ends: 28 [2018-11-28 22:52:36,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:52:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-28 22:52:36,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-28 22:52:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-28 22:52:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-11-28 22:52:36,823 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 19 [2018-11-28 22:52:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:36,824 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-11-28 22:52:36,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-11-28 22:52:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:52:36,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:36,826 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:36,827 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:36,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash -947810488, now seen corresponding path program 1 times [2018-11-28 22:52:36,830 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:36,830 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 [2018-11-28 22:52:36,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:36,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:37,128 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:37,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:37,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:52:37,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:37,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:37,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:37,140 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 5 states. [2018-11-28 22:52:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:37,163 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-28 22:52:37,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:37,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 22:52:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:37,165 INFO L225 Difference]: With dead ends: 22 [2018-11-28 22:52:37,166 INFO L226 Difference]: Without dead ends: 22 [2018-11-28 22:52:37,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:37,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-28 22:52:37,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-28 22:52:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-28 22:52:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-11-28 22:52:37,171 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-11-28 22:52:37,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:37,172 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-11-28 22:52:37,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-28 22:52:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 22:52:37,173 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:37,173 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] [2018-11-28 22:52:37,174 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:52:37,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:37,174 INFO L82 PathProgramCache]: Analyzing trace with hash 683038934, now seen corresponding path program 1 times [2018-11-28 22:52:37,175 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:37,175 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:37,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:37,403 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:52:37,419 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:52:37,426 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# [2018-11-28 22:52:37,426 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,426 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,427 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# [2018-11-28 22:52:37,428 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,428 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,428 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,429 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,429 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,429 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,432 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,432 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,433 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,433 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,433 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,434 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,435 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,435 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,435 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,436 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,436 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,437 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,438 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,438 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-11-28 22:52:37,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:52:37 BoogieIcfgContainer [2018-11-28 22:52:37,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:52:37,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:52:37,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:52:37,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:52:37,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:35" (3/4) ... [2018-11-28 22:52:37,453 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:52:37,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:52:37,454 INFO L168 Benchmark]: Toolchain (without parser) took 5291.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.3 MB in the beginning and 911.4 MB in the end (delta: 35.9 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:37,457 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:37,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:37,459 INFO L168 Benchmark]: Boogie Preprocessor took 120.66 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:37,460 INFO L168 Benchmark]: RCFGBuilder took 2723.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:37,461 INFO L168 Benchmark]: TraceAbstraction took 1646.03 ms. Allocated memory is still 1.1 GB. Free memory was 981.7 MB in the beginning and 911.4 MB in the end (delta: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:37,462 INFO L168 Benchmark]: Witness Printer took 6.95 ms. Allocated memory is still 1.1 GB. Free memory is still 911.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:37,467 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 790.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.66 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2723.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1646.03 ms. Allocated memory is still 1.1 GB. Free memory was 981.7 MB in the beginning and 911.4 MB in the end (delta: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.95 ms. Allocated memory is still 1.1 GB. Free memory is still 911.4 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 *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - 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 *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1456]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1456. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1457] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1448] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, \result={1082401:0}, a9={0:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(int))={1082401:0}] [L1437] a9 = (int *)ldv_malloc(sizeof(int)) [L1440] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={1082401:0}, ldv_global_msg_list={-2146401247:0}] [L1448] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={1082401:0}, ldv_global_msg_list={-2146401247:0}, probe_9_2()=3] [L1448] int ret = probe_9_2(); [L1450] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={1082401:0}, ldv_global_msg_list={-2146401247:0}, ret=3] [L1453] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}, ret=3] [L1457] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 319 locations, 69 error locations. UNSAFE Result, 1.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 50 SDtfs, 25 SDslu, 112 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 1237 SizeOfPredicates, 2 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...