./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer --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 ba5476636e8902440a35b69190524704fd5af5c4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer --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 ba5476636e8902440a35b69190524704fd5af5c4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:58:54,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:58:54,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:58:54,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:58:54,443 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:58:54,444 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:58:54,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:58:54,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:58:54,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:58:54,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:58:54,447 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:58:54,447 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:58:54,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:58:54,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:58:54,448 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:58:54,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:58:54,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:58:54,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:58:54,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:58:54,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:58:54,452 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:58:54,452 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:58:54,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:58:54,453 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:58:54,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:58:54,454 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:58:54,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:58:54,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:58:54,455 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:58:54,456 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:58:54,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:58:54,456 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:58:54,456 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:58:54,456 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:58:54,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:58:54,457 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:58:54,457 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 10:58:54,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:58:54,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:58:54,464 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:58:54,464 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:58:54,465 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:58:54,465 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 10:58:54,465 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:58:54,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:58:54,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:58:54,466 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:58:54,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:58:54,467 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:58:54,467 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:58:54,467 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer 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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2018-12-08 10:58:54,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:58:54,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:58:54,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:58:54,495 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:58:54,495 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:58:54,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-08 10:58:54,532 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/99f21187a/4aea4796f3924afd99dbeebf18dcc745/FLAG849db5345 [2018-12-08 10:58:54,968 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:58:54,968 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-08 10:58:54,976 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/99f21187a/4aea4796f3924afd99dbeebf18dcc745/FLAG849db5345 [2018-12-08 10:58:54,985 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/99f21187a/4aea4796f3924afd99dbeebf18dcc745 [2018-12-08 10:58:54,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:58:54,988 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 10:58:54,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:58:54,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:58:54,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:58:54,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:58:54" (1/1) ... [2018-12-08 10:58:54,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf3e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:54, skipping insertion in model container [2018-12-08 10:58:54,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:58:54" (1/1) ... [2018-12-08 10:58:54,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:58:55,026 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:58:55,259 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:58:55,270 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:58:55,301 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:58:55,332 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:58:55,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55 WrapperNode [2018-12-08 10:58:55,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:58:55,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:58:55,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:58:55,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:58:55,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... [2018-12-08 10:58:55,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:58:55,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:58:55,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:58:55,379 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:58:55,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/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 [2018-12-08 10:58:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:58:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:58:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 10:58:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 10:58:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 10:58:55,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 10:58:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 10:58:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 10:58:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 10:58:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 10:58:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 10:58:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 10:58:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 10:58:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 10:58:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 10:58:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 10:58:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 10:58:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 10:58:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 10:58:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-08 10:58:55,647 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 10:58:55,780 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 10:58:55,900 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:58:55,900 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 10:58:55,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:58:55 BoogieIcfgContainer [2018-12-08 10:58:55,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:58:55,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:58:55,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:58:55,903 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:58:55,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:58:54" (1/3) ... [2018-12-08 10:58:55,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376a8965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:58:55, skipping insertion in model container [2018-12-08 10:58:55,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:58:55" (2/3) ... [2018-12-08 10:58:55,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376a8965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:58:55, skipping insertion in model container [2018-12-08 10:58:55,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:58:55" (3/3) ... [2018-12-08 10:58:55,905 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-08 10:58:55,911 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:58:55,916 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-08 10:58:55,926 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-08 10:58:55,943 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:58:55,943 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:58:55,943 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 10:58:55,943 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:58:55,944 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:58:55,944 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:58:55,944 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:58:55,944 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:58:55,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:58:55,956 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-12-08 10:58:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 10:58:55,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:55,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:55,964 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:55,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:55,968 INFO L82 PathProgramCache]: Analyzing trace with hash -2085790596, now seen corresponding path program 1 times [2018-12-08 10:58:55,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:55,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:56,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:56,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 10:58:56,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:58:56,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:58:56,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:58:56,185 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 7 states. [2018-12-08 10:58:56,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:56,353 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-12-08 10:58:56,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:58:56,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-12-08 10:58:56,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:56,360 INFO L225 Difference]: With dead ends: 67 [2018-12-08 10:58:56,361 INFO L226 Difference]: Without dead ends: 61 [2018-12-08 10:58:56,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:58:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-08 10:58:56,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-08 10:58:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-08 10:58:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-12-08 10:58:56,387 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2018-12-08 10:58:56,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:56,388 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-12-08 10:58:56,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:58:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-12-08 10:58:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 10:58:56,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:56,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:56,389 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:56,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:56,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2085790595, now seen corresponding path program 1 times [2018-12-08 10:58:56,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:56,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:56,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:56,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:56,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:56,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:58:56,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 10:58:56,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 10:58:56,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 10:58:56,488 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 8 states. [2018-12-08 10:58:56,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:56,654 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-12-08 10:58:56,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:58:56,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-12-08 10:58:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:56,655 INFO L225 Difference]: With dead ends: 60 [2018-12-08 10:58:56,655 INFO L226 Difference]: Without dead ends: 60 [2018-12-08 10:58:56,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-12-08 10:58:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-08 10:58:56,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-08 10:58:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 10:58:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-08 10:58:56,660 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2018-12-08 10:58:56,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:56,660 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-08 10:58:56,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 10:58:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-08 10:58:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 10:58:56,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:56,661 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:56,661 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:56,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:56,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1232706982, now seen corresponding path program 1 times [2018-12-08 10:58:56,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:56,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:56,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:56,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:56,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:56,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:58:56,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:58:56,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:58:56,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:58:56,689 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-12-08 10:58:56,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:56,699 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-08 10:58:56,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 10:58:56,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-12-08 10:58:56,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:56,700 INFO L225 Difference]: With dead ends: 60 [2018-12-08 10:58:56,700 INFO L226 Difference]: Without dead ends: 60 [2018-12-08 10:58:56,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:58:56,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-08 10:58:56,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-08 10:58:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 10:58:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-12-08 10:58:56,704 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2018-12-08 10:58:56,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:56,704 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-12-08 10:58:56,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:58:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-12-08 10:58:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 10:58:56,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:56,705 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] [2018-12-08 10:58:56,705 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:56,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:56,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1799519223, now seen corresponding path program 1 times [2018-12-08 10:58:56,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:56,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:56,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:56,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:56,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:56,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:58:56,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 10:58:56,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 10:58:56,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 10:58:56,770 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 8 states. [2018-12-08 10:58:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:56,899 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-08 10:58:56,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 10:58:56,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-12-08 10:58:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:56,900 INFO L225 Difference]: With dead ends: 71 [2018-12-08 10:58:56,900 INFO L226 Difference]: Without dead ends: 69 [2018-12-08 10:58:56,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:58:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-08 10:58:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-12-08 10:58:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 10:58:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-12-08 10:58:56,904 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2018-12-08 10:58:56,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:56,904 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-12-08 10:58:56,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 10:58:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-12-08 10:58:56,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 10:58:56,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:56,904 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] [2018-12-08 10:58:56,905 INFO L423 AbstractCegarLoop]: === Iteration 5 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:56,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:56,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1799519224, now seen corresponding path program 1 times [2018-12-08 10:58:56,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:56,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:56,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:56,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:57,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:57,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 10:58:57,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 10:58:57,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 10:58:57,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:58:57,056 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2018-12-08 10:58:57,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:57,430 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-12-08 10:58:57,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 10:58:57,430 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-12-08 10:58:57,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:57,431 INFO L225 Difference]: With dead ends: 68 [2018-12-08 10:58:57,431 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 10:58:57,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 10:58:57,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 10:58:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2018-12-08 10:58:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-08 10:58:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-12-08 10:58:57,434 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2018-12-08 10:58:57,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:57,435 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-12-08 10:58:57,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 10:58:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-12-08 10:58:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 10:58:57,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:57,436 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:57,436 INFO L423 AbstractCegarLoop]: === Iteration 6 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:57,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:57,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1036193477, now seen corresponding path program 1 times [2018-12-08 10:58:57,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:57,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:57,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:57,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:57,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:57,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:58:57,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:58:57,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:58:57,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:58:57,461 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 6 states. [2018-12-08 10:58:57,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:57,549 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2018-12-08 10:58:57,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 10:58:57,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-08 10:58:57,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:57,550 INFO L225 Difference]: With dead ends: 62 [2018-12-08 10:58:57,550 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 10:58:57,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 10:58:57,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 10:58:57,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-08 10:58:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 10:58:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-08 10:58:57,553 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2018-12-08 10:58:57,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:57,553 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-08 10:58:57,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:58:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-08 10:58:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 10:58:57,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:57,554 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:57,554 INFO L423 AbstractCegarLoop]: === Iteration 7 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:57,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:57,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1036193478, now seen corresponding path program 1 times [2018-12-08 10:58:57,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:57,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:57,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:57,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:57,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:57,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:58:57,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:58:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:58:57,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:58:57,594 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2018-12-08 10:58:57,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:57,727 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-12-08 10:58:57,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 10:58:57,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-08 10:58:57,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:57,728 INFO L225 Difference]: With dead ends: 86 [2018-12-08 10:58:57,728 INFO L226 Difference]: Without dead ends: 67 [2018-12-08 10:58:57,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 10:58:57,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-08 10:58:57,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-12-08 10:58:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-08 10:58:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-12-08 10:58:57,731 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-12-08 10:58:57,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:57,731 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-12-08 10:58:57,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:58:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-12-08 10:58:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 10:58:57,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:57,731 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] [2018-12-08 10:58:57,731 INFO L423 AbstractCegarLoop]: === Iteration 8 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:57,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash -49478890, now seen corresponding path program 1 times [2018-12-08 10:58:57,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:57,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:57,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:57,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:57,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:57,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 10:58:57,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 10:58:57,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 10:58:57,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 10:58:57,769 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2018-12-08 10:58:57,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:57,874 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2018-12-08 10:58:57,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 10:58:57,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-08 10:58:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:57,874 INFO L225 Difference]: With dead ends: 64 [2018-12-08 10:58:57,874 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 10:58:57,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:58:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 10:58:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-12-08 10:58:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 10:58:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-08 10:58:57,877 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2018-12-08 10:58:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:57,877 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-08 10:58:57,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 10:58:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-08 10:58:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 10:58:57,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:57,877 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] [2018-12-08 10:58:57,878 INFO L423 AbstractCegarLoop]: === Iteration 9 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:57,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:57,878 INFO L82 PathProgramCache]: Analyzing trace with hash -49478889, now seen corresponding path program 1 times [2018-12-08 10:58:57,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:57,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:57,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:57,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:57,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:57,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 10:58:57,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 10:58:57,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 10:58:57,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:58:57,947 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2018-12-08 10:58:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:58,073 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2018-12-08 10:58:58,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 10:58:58,073 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-12-08 10:58:58,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:58,074 INFO L225 Difference]: With dead ends: 62 [2018-12-08 10:58:58,074 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 10:58:58,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-12-08 10:58:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 10:58:58,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-12-08 10:58:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 10:58:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-12-08 10:58:58,076 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2018-12-08 10:58:58,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:58,076 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-12-08 10:58:58,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 10:58:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-08 10:58:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 10:58:58,077 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:58,077 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] [2018-12-08 10:58:58,077 INFO L423 AbstractCegarLoop]: === Iteration 10 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:58,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:58,077 INFO L82 PathProgramCache]: Analyzing trace with hash 79603829, now seen corresponding path program 1 times [2018-12-08 10:58:58,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:58,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:58,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:58,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:58:58,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:58:58,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:58:58,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:58:58,112 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2018-12-08 10:58:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:58,118 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-12-08 10:58:58,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 10:58:58,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-08 10:58:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:58,119 INFO L225 Difference]: With dead ends: 48 [2018-12-08 10:58:58,119 INFO L226 Difference]: Without dead ends: 44 [2018-12-08 10:58:58,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:58:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-08 10:58:58,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-08 10:58:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-08 10:58:58,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-12-08 10:58:58,122 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2018-12-08 10:58:58,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:58,122 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-12-08 10:58:58,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:58:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-12-08 10:58:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 10:58:58,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:58,122 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:58,123 INFO L423 AbstractCegarLoop]: === Iteration 11 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:58,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:58,123 INFO L82 PathProgramCache]: Analyzing trace with hash -304571495, now seen corresponding path program 1 times [2018-12-08 10:58:58,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:58,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:58,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:58,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:58,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:58,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 10:58:58,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:58:58,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:58:58,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:58:58,150 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2018-12-08 10:58:58,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:58,188 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-08 10:58:58,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 10:58:58,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-08 10:58:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:58,189 INFO L225 Difference]: With dead ends: 43 [2018-12-08 10:58:58,189 INFO L226 Difference]: Without dead ends: 43 [2018-12-08 10:58:58,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:58:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-08 10:58:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-08 10:58:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-08 10:58:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-08 10:58:58,191 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2018-12-08 10:58:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:58,192 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-08 10:58:58,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:58:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-08 10:58:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 10:58:58,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:58,192 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:58,192 INFO L423 AbstractCegarLoop]: === Iteration 12 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:58,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:58,193 INFO L82 PathProgramCache]: Analyzing trace with hash -304571494, now seen corresponding path program 1 times [2018-12-08 10:58:58,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:58,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:58,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:58,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:58,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:58,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 10:58:58,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 10:58:58,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 10:58:58,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:58:58,306 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 10 states. [2018-12-08 10:58:58,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:58,424 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-08 10:58:58,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 10:58:58,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-12-08 10:58:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:58,425 INFO L225 Difference]: With dead ends: 42 [2018-12-08 10:58:58,425 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 10:58:58,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-08 10:58:58,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 10:58:58,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 10:58:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 10:58:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-08 10:58:58,427 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2018-12-08 10:58:58,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:58,427 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-08 10:58:58,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 10:58:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-08 10:58:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 10:58:58,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:58,427 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:58,428 INFO L423 AbstractCegarLoop]: === Iteration 13 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:58,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:58,428 INFO L82 PathProgramCache]: Analyzing trace with hash 148650245, now seen corresponding path program 1 times [2018-12-08 10:58:58,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:58,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:58,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:58,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:58,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:58,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-08 10:58:58,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 10:58:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 10:58:58,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:58:58,533 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2018-12-08 10:58:58,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:58,738 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2018-12-08 10:58:58,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 10:58:58,738 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-12-08 10:58:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:58,739 INFO L225 Difference]: With dead ends: 41 [2018-12-08 10:58:58,739 INFO L226 Difference]: Without dead ends: 41 [2018-12-08 10:58:58,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2018-12-08 10:58:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-08 10:58:58,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-08 10:58:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-08 10:58:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2018-12-08 10:58:58,741 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 33 [2018-12-08 10:58:58,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:58,741 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2018-12-08 10:58:58,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 10:58:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2018-12-08 10:58:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 10:58:58,742 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:58,742 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:58,742 INFO L423 AbstractCegarLoop]: === Iteration 14 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:58,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:58,742 INFO L82 PathProgramCache]: Analyzing trace with hash 313190306, now seen corresponding path program 1 times [2018-12-08 10:58:58,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:58,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:58,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:58,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:58:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:58:58,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:58:58,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-08 10:58:58,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 10:58:58,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 10:58:58,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-08 10:58:58,857 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 15 states. [2018-12-08 10:58:59,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:58:59,200 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-12-08 10:58:59,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 10:58:59,201 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 34 [2018-12-08 10:58:59,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:58:59,201 INFO L225 Difference]: With dead ends: 40 [2018-12-08 10:58:59,201 INFO L226 Difference]: Without dead ends: 40 [2018-12-08 10:58:59,202 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-12-08 10:58:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-08 10:58:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-08 10:58:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-08 10:58:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-12-08 10:58:59,203 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 34 [2018-12-08 10:58:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:58:59,204 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-12-08 10:58:59,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 10:58:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-12-08 10:58:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 10:58:59,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:58:59,204 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:58:59,205 INFO L423 AbstractCegarLoop]: === Iteration 15 === [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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 10:58:59,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:58:59,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1286428165, now seen corresponding path program 1 times [2018-12-08 10:58:59,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:58:59,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:58:59,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:59,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:58:59,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:58:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:58:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:58:59,239 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 10:58:59,247 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 10:58:59,250 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 10:58:59,251 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 10:58:59,251 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 19 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 10:58:59,251 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 10:58:59,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:58:59 BoogieIcfgContainer [2018-12-08 10:58:59,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:58:59,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:58:59,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:58:59,258 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:58:59,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:58:55" (3/4) ... [2018-12-08 10:58:59,261 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 10:58:59,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:58:59,262 INFO L168 Benchmark]: Toolchain (without parser) took 4274.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:58:59,263 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:58:59,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:58:59,263 INFO L168 Benchmark]: Boogie Preprocessor took 46.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:58:59,264 INFO L168 Benchmark]: RCFGBuilder took 522.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. [2018-12-08 10:58:59,264 INFO L168 Benchmark]: TraceAbstraction took 3356.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -138.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:58:59,264 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:58:59,266 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 522.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3356.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -138.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 13 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 17 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 19 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 14 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: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1455] CALL entry_point() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1449] CALL alloc_13() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={25:0}, global_list_13={18:0}, ldv_global_msg_list={22:0}, malloc(size)={25:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, ldv_malloc(sizeof(struct A13))={25:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, p={25:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={18:0}, head={18:0}, ldv_global_msg_list={22:0}, new={25:4}] [L1121] EXPR head->next VAL [global_list_13={18:0}, head={18:0}, head={18:0}, head->next={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, next={18:0}, prev={18:0}] [L1107] next->prev = new VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1108] new->next = next VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1109] new->prev = prev VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1110] prev->next = new VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={18:0}, head={18:0}, head={18:0}, head->next={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, p={25:0}] [L1449] RET alloc_13() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}] [L1099] list->next = list VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}, list={18:0}] [L1100] list->prev = list VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}, list={18:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1455] RET entry_point() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 313 locations, 67 error locations. UNSAFE Result, 3.3s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 492 SDtfs, 603 SDslu, 1494 SDs, 0 SdLazy, 1855 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 14 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 47915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 0.1.23-635dfa2 [2018-12-08 10:59:00,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:59:00,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:59:00,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:59:00,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:59:00,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:59:00,643 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:59:00,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:59:00,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:59:00,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:59:00,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:59:00,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:59:00,646 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:59:00,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:59:00,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:59:00,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:59:00,647 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:59:00,648 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:59:00,649 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:59:00,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:59:00,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:59:00,651 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:59:00,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:59:00,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:59:00,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:59:00,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:59:00,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:59:00,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:59:00,654 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:59:00,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:59:00,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:59:00,655 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:59:00,655 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:59:00,656 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:59:00,656 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:59:00,656 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:59:00,657 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-08 10:59:00,664 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:59:00,664 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:59:00,664 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:59:00,664 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:59:00,665 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:59:00,665 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:59:00,665 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:59:00,665 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:59:00,665 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:59:00,665 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:59:00,666 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 10:59:00,667 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 10:59:00,667 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:59:00,667 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:59:00,667 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:59:00,667 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:59:00,667 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:59:00,667 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:59:00,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:59:00,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:59:00,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:59:00,668 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 10:59:00,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:59:00,668 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 10:59:00,668 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer 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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2018-12-08 10:59:00,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:59:00,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:59:00,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:59:00,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:59:00,696 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:59:00,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-08 10:59:00,731 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/62d5ac59b/d590681e43e4403f91c0ebbb3d06ee88/FLAGba197d5cc [2018-12-08 10:59:01,162 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:59:01,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-08 10:59:01,170 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/62d5ac59b/d590681e43e4403f91c0ebbb3d06ee88/FLAGba197d5cc [2018-12-08 10:59:01,178 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/data/62d5ac59b/d590681e43e4403f91c0ebbb3d06ee88 [2018-12-08 10:59:01,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:59:01,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 10:59:01,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:59:01,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:59:01,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:59:01,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01, skipping insertion in model container [2018-12-08 10:59:01,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:59:01,213 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:59:01,404 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:59:01,416 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:59:01,487 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:59:01,522 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:59:01,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01 WrapperNode [2018-12-08 10:59:01,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:59:01,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:59:01,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:59:01,523 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:59:01,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... [2018-12-08 10:59:01,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:59:01,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:59:01,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:59:01,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:59:01,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/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 [2018-12-08 10:59:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:59:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:59:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 10:59:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 10:59:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 10:59:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 10:59:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2018-12-08 10:59:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 10:59:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:59:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 10:59:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 10:59:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 10:59:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 10:59:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 10:59:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 10:59:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 10:59:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 10:59:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 10:59:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 10:59:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 10:59:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 10:59:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 10:59:01,880 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 10:59:02,100 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 10:59:02,310 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:59:02,310 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 10:59:02,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:59:02 BoogieIcfgContainer [2018-12-08 10:59:02,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:59:02,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:59:02,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:59:02,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:59:02,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:59:01" (1/3) ... [2018-12-08 10:59:02,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b402e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:59:02, skipping insertion in model container [2018-12-08 10:59:02,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:01" (2/3) ... [2018-12-08 10:59:02,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b402e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:59:02, skipping insertion in model container [2018-12-08 10:59:02,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:59:02" (3/3) ... [2018-12-08 10:59:02,316 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-08 10:59:02,325 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:59:02,331 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-08 10:59:02,342 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-08 10:59:02,357 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:59:02,357 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:59:02,357 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 10:59:02,357 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:59:02,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:59:02,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:59:02,358 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:59:02,358 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:59:02,358 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:59:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-12-08 10:59:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 10:59:02,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:02,373 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:02,375 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 10:59:02,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:02,378 INFO L82 PathProgramCache]: Analyzing trace with hash -804386628, now seen corresponding path program 1 times [2018-12-08 10:59:02,380 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 10:59:02,381 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/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 [2018-12-08 10:59:02,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:02,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:02,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 10:59:02,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:02,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 10:59:02,529 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:02,535 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:02,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 10:59:02,545 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-08 10:59:02,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 10:59:02,597 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:02,625 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 10:59:02,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 10:59:02,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-12-08 10:59:02,688 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2018-12-08 10:59:02,732 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-12-08 10:59:02,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 10:59:02,735 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:02,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:02,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:02,738 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-12-08 10:59:02,766 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 10:59:02,766 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:02,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:02,768 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-12-08 10:59:03,167 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-12-08 10:59:03,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-12-08 10:59:03,173 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:03,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 10:59:03,178 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-12-08 10:59:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:03,199 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 10:59:03,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:03,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:59:03,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 10:59:03,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 10:59:03,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2018-12-08 10:59:03,214 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 8 states. [2018-12-08 10:59:05,154 WARN L180 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-08 10:59:10,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:10,965 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2018-12-08 10:59:10,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 10:59:10,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-12-08 10:59:10,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:10,972 INFO L225 Difference]: With dead ends: 92 [2018-12-08 10:59:10,972 INFO L226 Difference]: Without dead ends: 80 [2018-12-08 10:59:10,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=54, Invalid=101, Unknown=5, NotChecked=22, Total=182 [2018-12-08 10:59:10,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-08 10:59:10,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2018-12-08 10:59:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-08 10:59:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-12-08 10:59:10,997 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2018-12-08 10:59:10,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:10,997 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-12-08 10:59:10,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 10:59:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-12-08 10:59:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 10:59:10,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:10,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:10,998 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 10:59:10,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:10,998 INFO L82 PathProgramCache]: Analyzing trace with hash -804386627, now seen corresponding path program 1 times [2018-12-08 10:59:10,998 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 10:59:10,999 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/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 [2018-12-08 10:59:11,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:11,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:11,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 10:59:11,079 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:11,085 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 10:59:11,090 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:11,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:11,104 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 10:59:11,105 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-08 10:59:11,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 10:59:11,145 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,177 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 10:59:11,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 10:59:11,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 10:59:11,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-12-08 10:59:11,251 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,256 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-08 10:59:11,282 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:34, output treesize:110 [2018-12-08 10:59:11,352 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-12-08 10:59:11,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 10:59:11,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-12-08 10:59:11,385 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 10:59:11,385 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,391 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-08 10:59:11,407 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:43 [2018-12-08 10:59:11,450 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:11,451 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:11,451 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-12-08 10:59:11,452 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-12-08 10:59:11,484 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,500 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-12-08 10:59:11,501 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,516 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-12-08 10:59:11,516 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:59:11,525 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:10 [2018-12-08 10:59:17,011 WARN L180 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 10:59:17,021 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:17,022 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:17,025 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:17,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-12-08 10:59:17,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:17,078 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-12-08 10:59:17,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:17,120 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:17,121 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 10:59:17,122 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-12-08 10:59:17,122 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 10:59:17,175 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2018-12-08 10:59:17,176 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 10:59:17,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 10:59:17,217 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:65, output treesize:28 [2018-12-08 10:59:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:18,813 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 10:59:18,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:18,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 10:59:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 10:59:18,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 10:59:18,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=50, Unknown=4, NotChecked=0, Total=72 [2018-12-08 10:59:18,817 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 9 states. [2018-12-08 10:59:29,813 WARN L180 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 11:00:29,473 WARN L180 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-08 11:00:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:00:31,568 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-12-08 11:00:31,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:00:31,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2018-12-08 11:00:31,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:00:31,570 INFO L225 Difference]: With dead ends: 79 [2018-12-08 11:00:31,570 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 11:00:31,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=71, Invalid=152, Unknown=17, NotChecked=0, Total=240 [2018-12-08 11:00:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 11:00:31,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2018-12-08 11:00:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 11:00:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-08 11:00:31,577 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2018-12-08 11:00:31,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:00:31,578 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-08 11:00:31,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:00:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-08 11:00:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:00:31,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:00:31,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:00:31,579 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:00:31,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:00:31,579 INFO L82 PathProgramCache]: Analyzing trace with hash 7199047, now seen corresponding path program 1 times [2018-12-08 11:00:31,579 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:00:31,580 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/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 [2018-12-08 11:00:31,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:00:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:00:31,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:00:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:00:31,638 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:00:31,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:00:31,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:00:31,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:00:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:00:31,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:00:31,640 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-12-08 11:00:31,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:00:31,653 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-08 11:00:31,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 11:00:31,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-12-08 11:00:31,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:00:31,654 INFO L225 Difference]: With dead ends: 60 [2018-12-08 11:00:31,654 INFO L226 Difference]: Without dead ends: 60 [2018-12-08 11:00:31,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:00:31,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-08 11:00:31,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-08 11:00:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 11:00:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-12-08 11:00:31,657 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2018-12-08 11:00:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:00:31,658 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-12-08 11:00:31,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:00:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-12-08 11:00:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:00:31,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:00:31,658 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] [2018-12-08 11:00:31,659 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:00:31,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:00:31,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1859165194, now seen corresponding path program 1 times [2018-12-08 11:00:31,659 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:00:31,659 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:00:31,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:00:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:00:31,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:00:31,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-08 11:00:31,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 11:00:31,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:31,750 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:31,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:31,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2018-12-08 11:00:31,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-12-08 11:00:31,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-08 11:00:31,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:31,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:31,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:31,805 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:5 [2018-12-08 11:00:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:00:31,835 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:00:31,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:00:31,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:00:31,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:00:31,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:00:31,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:00:31,837 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 9 states. [2018-12-08 11:00:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:00:32,314 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-08 11:00:32,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:00:32,315 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-08 11:00:32,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:00:32,316 INFO L225 Difference]: With dead ends: 71 [2018-12-08 11:00:32,316 INFO L226 Difference]: Without dead ends: 69 [2018-12-08 11:00:32,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-12-08 11:00:32,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-08 11:00:32,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-12-08 11:00:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 11:00:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-12-08 11:00:32,321 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2018-12-08 11:00:32,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:00:32,321 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-12-08 11:00:32,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:00:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-12-08 11:00:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:00:32,322 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:00:32,322 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] [2018-12-08 11:00:32,322 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:00:32,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:00:32,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1859165193, now seen corresponding path program 1 times [2018-12-08 11:00:32,323 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:00:32,323 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:00:32,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:00:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:00:32,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:00:32,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 11:00:32,440 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:32,446 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 11:00:32,450 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:32,454 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:32,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 11:00:32,460 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-08 11:00:32,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 11:00:32,504 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:32,537 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 11:00:32,568 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 11:00:32,615 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 11:00:32,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-12-08 11:00:32,619 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:32,624 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:32,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-08 11:00:32,651 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:48, output treesize:152 [2018-12-08 11:00:32,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-12-08 11:00:32,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:32,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-12-08 11:00:32,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:32,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:32,865 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:101, output treesize:33 [2018-12-08 11:00:37,316 WARN L180 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 29 [2018-12-08 11:00:37,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:37,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 58 [2018-12-08 11:00:37,326 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:37,410 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:37,411 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:37,414 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:37,414 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-12-08 11:00:37,415 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:37,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:37,507 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:00:37,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-12-08 11:00:37,508 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:37,600 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 50 [2018-12-08 11:00:37,601 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 11:00:37,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 11:00:37,682 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:111, output treesize:74 [2018-12-08 11:00:39,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-12-08 11:00:39,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-08 11:00:39,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:39,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:39,810 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-12-08 11:00:39,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-08 11:00:39,813 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 11:00:39,815 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:39,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:00:39,821 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:9 [2018-12-08 11:00:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:00:39,891 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:00:39,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:00:39,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 11:00:39,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 11:00:39,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 11:00:39,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=87, Unknown=3, NotChecked=0, Total=110 [2018-12-08 11:00:39,894 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2018-12-08 11:00:56,723 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-08 11:01:08,797 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-12-08 11:01:17,621 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2018-12-08 11:01:20,865 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2018-12-08 11:01:32,717 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-08 11:01:37,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:37,244 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-12-08 11:01:37,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 11:01:37,245 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-12-08 11:01:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:37,245 INFO L225 Difference]: With dead ends: 68 [2018-12-08 11:01:37,245 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 11:01:37,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=78, Invalid=249, Unknown=15, NotChecked=0, Total=342 [2018-12-08 11:01:37,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 11:01:37,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2018-12-08 11:01:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-08 11:01:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-12-08 11:01:37,250 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2018-12-08 11:01:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:37,250 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-12-08 11:01:37,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 11:01:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-12-08 11:01:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:01:37,251 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:37,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:01:37,252 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:37,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:37,252 INFO L82 PathProgramCache]: Analyzing trace with hash -189314458, now seen corresponding path program 1 times [2018-12-08 11:01:37,252 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:37,252 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:37,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:37,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:37,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 11:01:37,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:01:37,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 11:01:37,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 11:01:37,320 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:37,349 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:01:37,354 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:01:37,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 11:01:37,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 11:01:37,384 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 11:01:37,405 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 11:01:37,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-12-08 11:01:37,430 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2018-12-08 11:01:37,457 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-12-08 11:01:37,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 11:01:37,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:37,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:37,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:37,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-12-08 11:01:37,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 11:01:37,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:37,472 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:37,472 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-12-08 11:01:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:37,493 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:37,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:37,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:01:37,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:01:37,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:01:37,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:01:37,495 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 7 states. [2018-12-08 11:01:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:41,878 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-12-08 11:01:41,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 11:01:41,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-08 11:01:41,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:41,879 INFO L225 Difference]: With dead ends: 64 [2018-12-08 11:01:41,879 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 11:01:41,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:01:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 11:01:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-08 11:01:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 11:01:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-08 11:01:41,882 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2018-12-08 11:01:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:41,882 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-08 11:01:41,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:01:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-08 11:01:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:01:41,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:41,882 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:01:41,883 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:41,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:41,883 INFO L82 PathProgramCache]: Analyzing trace with hash -189314457, now seen corresponding path program 1 times [2018-12-08 11:01:41,883 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:41,883 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:41,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:41,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:41,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 11:01:41,943 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-12-08 11:01:41,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 11:01:41,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-12-08 11:01:41,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-12-08 11:01:41,978 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 11:01:41,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2018-12-08 11:01:41,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 11:01:41,994 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:41,997 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-12-08 11:01:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:42,023 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:42,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:42,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:01:42,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:01:42,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:01:42,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:01:42,025 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 7 states. [2018-12-08 11:01:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:42,533 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-12-08 11:01:42,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 11:01:42,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-08 11:01:42,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:42,533 INFO L225 Difference]: With dead ends: 86 [2018-12-08 11:01:42,534 INFO L226 Difference]: Without dead ends: 67 [2018-12-08 11:01:42,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:01:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-08 11:01:42,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-12-08 11:01:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-08 11:01:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-12-08 11:01:42,537 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-12-08 11:01:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:42,537 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-12-08 11:01:42,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:01:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-12-08 11:01:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 11:01:42,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:42,538 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] [2018-12-08 11:01:42,538 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:42,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1799546121, now seen corresponding path program 1 times [2018-12-08 11:01:42,539 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:42,539 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:42,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:42,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:42,613 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 11:01:42,614 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:42,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:42,615 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 11:01:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:42,670 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:42,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:42,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:01:42,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:01:42,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:01:42,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:01:42,673 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2018-12-08 11:01:43,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:43,019 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2018-12-08 11:01:43,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:01:43,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-08 11:01:43,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:43,020 INFO L225 Difference]: With dead ends: 64 [2018-12-08 11:01:43,020 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 11:01:43,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-08 11:01:43,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 11:01:43,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-12-08 11:01:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 11:01:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-08 11:01:43,023 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2018-12-08 11:01:43,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:43,023 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-08 11:01:43,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:01:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-08 11:01:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 11:01:43,023 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:43,024 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] [2018-12-08 11:01:43,024 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:43,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:43,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1799546120, now seen corresponding path program 1 times [2018-12-08 11:01:43,024 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:43,024 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:43,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:43,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:43,107 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 11:01:43,107 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:43,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:43,111 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 11:01:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:43,184 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:43,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:43,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 11:01:43,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:01:43,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:01:43,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:01:43,186 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2018-12-08 11:01:43,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:43,623 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2018-12-08 11:01:43,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:01:43,624 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-12-08 11:01:43,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:43,624 INFO L225 Difference]: With dead ends: 62 [2018-12-08 11:01:43,624 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 11:01:43,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:01:43,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 11:01:43,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-12-08 11:01:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 11:01:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-12-08 11:01:43,626 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2018-12-08 11:01:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:43,627 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-12-08 11:01:43,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:01:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-08 11:01:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 11:01:43,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:43,627 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] [2018-12-08 11:01:43,627 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:43,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:43,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1670463402, now seen corresponding path program 1 times [2018-12-08 11:01:43,627 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:43,628 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:43,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:43,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:43,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:43,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:43,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:01:43,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:01:43,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:01:43,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:01:43,719 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2018-12-08 11:01:43,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:43,727 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-12-08 11:01:43,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 11:01:43,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-08 11:01:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:43,728 INFO L225 Difference]: With dead ends: 48 [2018-12-08 11:01:43,728 INFO L226 Difference]: Without dead ends: 44 [2018-12-08 11:01:43,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:01:43,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-08 11:01:43,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-08 11:01:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-08 11:01:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-12-08 11:01:43,730 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2018-12-08 11:01:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:43,730 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-12-08 11:01:43,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:01:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-12-08 11:01:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:01:43,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:43,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:01:43,732 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:43,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:43,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1507999546, now seen corresponding path program 1 times [2018-12-08 11:01:43,732 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:43,732 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:43,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:43,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:43,820 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-12-08 11:01:43,821 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 11:01:43,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:43,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:43,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:43,823 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:1 [2018-12-08 11:01:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:43,841 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:43,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:43,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:01:43,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:01:43,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:01:43,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:01:43,844 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 6 states. [2018-12-08 11:01:48,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:48,072 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-08 11:01:48,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:01:48,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-08 11:01:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:48,074 INFO L225 Difference]: With dead ends: 43 [2018-12-08 11:01:48,074 INFO L226 Difference]: Without dead ends: 43 [2018-12-08 11:01:48,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:01:48,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-08 11:01:48,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-08 11:01:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-08 11:01:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-08 11:01:48,075 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2018-12-08 11:01:48,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:48,075 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-08 11:01:48,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:01:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-08 11:01:48,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:01:48,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:48,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:01:48,076 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:48,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:48,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1507999547, now seen corresponding path program 1 times [2018-12-08 11:01:48,076 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:48,076 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:48,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:48,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:48,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-12-08 11:01:48,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-12-08 11:01:48,224 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-12-08 11:01:48,241 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-12-08 11:01:48,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,244 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,249 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:10 [2018-12-08 11:01:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:48,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:48,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:48,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:01:48,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:01:48,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:01:48,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:01:48,319 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 9 states. [2018-12-08 11:01:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:48,780 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-08 11:01:48,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:01:48,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-08 11:01:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:48,781 INFO L225 Difference]: With dead ends: 42 [2018-12-08 11:01:48,781 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 11:01:48,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-12-08 11:01:48,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 11:01:48,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 11:01:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 11:01:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-08 11:01:48,783 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2018-12-08 11:01:48,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:48,783 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-08 11:01:48,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:01:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-08 11:01:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 11:01:48,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:48,784 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:01:48,785 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:48,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:48,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1766901670, now seen corresponding path program 1 times [2018-12-08 11:01:48,785 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:48,785 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:48,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:01:48,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:01:48,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-08 11:01:48,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 11:01:48,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,901 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,915 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-08 11:01:48,917 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:01:48,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-08 11:01:48,918 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,919 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:48,924 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2018-12-08 11:01:49,139 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-12-08 11:01:49,143 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 11:01:49,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-12-08 11:01:49,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:49,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:49,161 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-12-08 11:01:49,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-12-08 11:01:49,163 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 11:01:49,165 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:49,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 11:01:49,171 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2018-12-08 11:01:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:01:49,255 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 11:01:49,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:01:49,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-08 11:01:49,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 11:01:49,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 11:01:49,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:01:49,258 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2018-12-08 11:01:50,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:01:50,587 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-12-08 11:01:50,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 11:01:50,588 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-12-08 11:01:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:01:50,588 INFO L225 Difference]: With dead ends: 40 [2018-12-08 11:01:50,589 INFO L226 Difference]: Without dead ends: 40 [2018-12-08 11:01:50,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2018-12-08 11:01:50,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-08 11:01:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-08 11:01:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-08 11:01:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-12-08 11:01:50,590 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2018-12-08 11:01:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:01:50,590 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-12-08 11:01:50,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 11:01:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-12-08 11:01:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 11:01:50,591 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:01:50,591 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:01:50,591 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 11:01:50,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:01:50,591 INFO L82 PathProgramCache]: Analyzing trace with hash 2143956903, now seen corresponding path program 1 times [2018-12-08 11:01:50,591 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 11:01:50,591 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a73325f-fd29-4180-965f-d7246c3535cc/bin-2019/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 11:01:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:01:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:01:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:01:50,990 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 11:01:51,004 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 11:01:51,008 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# [2018-12-08 11:01:51,009 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# [2018-12-08 11:01:51,009 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# [2018-12-08 11:01:51,009 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# [2018-12-08 11:01:51,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:01:51 BoogieIcfgContainer [2018-12-08 11:01:51,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:01:51,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:01:51,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:01:51,019 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:01:51,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:59:02" (3/4) ... [2018-12-08 11:01:51,021 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 11:01:51,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:01:51,022 INFO L168 Benchmark]: Toolchain (without parser) took 169841.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 939.3 MB in the beginning and 920.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 252.2 MB. Max. memory is 11.5 GB. [2018-12-08 11:01:51,022 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:01:51,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:01:51,023 INFO L168 Benchmark]: Boogie Preprocessor took 44.90 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:01:51,023 INFO L168 Benchmark]: RCFGBuilder took 742.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.1 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:01:51,023 INFO L168 Benchmark]: TraceAbstraction took 168706.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 992.1 MB in the beginning and 920.0 MB in the end (delta: 72.1 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:01:51,023 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 1.3 GB. Free memory is still 920.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:01:51,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.90 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 742.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.1 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 168706.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 992.1 MB in the beginning and 920.0 MB in the end (delta: 72.1 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.29 ms. Allocated memory is still 1.3 GB. Free memory is still 920.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] CALL entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1449] CALL alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={-3:0}, global_list_13={1:0}, ldv_global_msg_list={2:0}, malloc(size)={-3:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(struct A13))={-3:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={-3:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, head={1:0}, ldv_global_msg_list={2:0}, new={-3:4}] [L1121] EXPR head->next VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, next={1:0}, prev={1:0}] [L1107] next->prev = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1108] new->next = next VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1109] new->prev = prev VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1110] prev->next = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={-3:0}] [L1449] RET alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}] [L1099] list->next = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1100] list->prev = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] RET entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 312 locations, 67 error locations. UNSAFE Result, 168.6s OverallTime, 14 OverallIterations, 1 TraceHistogramMax, 150.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 640 SDslu, 1527 SDs, 0 SdLazy, 1797 SolverSat, 279 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 101.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 161 SyntacticMatches, 16 SemanticMatches, 150 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 62.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 13 MinimizatonAttempts, 60 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 260 ConstructedInterpolants, 12 QuantifiedInterpolants, 72204 SizeOfPredicates, 133 NumberOfNonLiveVariables, 1673 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...