./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcf7d7a4067ef9712cccdc61e57c274773cdfd53 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcf7d7a4067ef9712cccdc61e57c274773cdfd53 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:13:39,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:13:39,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:13:39,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:13:39,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:13:39,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:13:39,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:13:39,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:13:39,351 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:13:39,352 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:13:39,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:13:39,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:13:39,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:13:39,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:13:39,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:13:39,358 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:13:39,359 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:13:39,361 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:13:39,363 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:13:39,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:13:39,368 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:13:39,369 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:13:39,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:13:39,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:13:39,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:13:39,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:13:39,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:13:39,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:13:39,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:13:39,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:13:39,391 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:13:39,392 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:13:39,392 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:13:39,392 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:13:39,395 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:13:39,395 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:13:39,396 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:13:39,426 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:13:39,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:13:39,428 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:13:39,428 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:13:39,428 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:13:39,428 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:13:39,429 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:13:39,429 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:13:39,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:13:39,431 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:13:39,431 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:13:39,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:13:39,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:13:39,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:13:39,431 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:13:39,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:13:39,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:13:39,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:13:39,434 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:13:39,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:13:39,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf7d7a4067ef9712cccdc61e57c274773cdfd53 [2019-01-13 23:13:39,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:13:39,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:13:39,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:13:39,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:13:39,510 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:13:39,511 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-13 23:13:39,569 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e3903e0/057f81ada9b54a5bb3d18498eb061806/FLAG990a221b5 [2019-01-13 23:13:40,128 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:13:40,129 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-13 23:13:40,145 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e3903e0/057f81ada9b54a5bb3d18498eb061806/FLAG990a221b5 [2019-01-13 23:13:40,377 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e3903e0/057f81ada9b54a5bb3d18498eb061806 [2019-01-13 23:13:40,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:13:40,382 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:13:40,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:13:40,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:13:40,387 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:13:40,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:13:40" (1/1) ... [2019-01-13 23:13:40,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d62921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:40, skipping insertion in model container [2019-01-13 23:13:40,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:13:40" (1/1) ... [2019-01-13 23:13:40,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:13:40,473 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:13:40,899 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:13:40,927 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:13:41,076 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:13:41,176 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:13:41,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41 WrapperNode [2019-01-13 23:13:41,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:13:41,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:13:41,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:13:41,178 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:13:41,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... [2019-01-13 23:13:41,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:13:41,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:13:41,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:13:41,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:13:41,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:13:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:13:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:13:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:13:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:13:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:13:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:13:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:13:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:13:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:13:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:13:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:13:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:13:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:13:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:13:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:13:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:13:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:13:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:13:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:13:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:13:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:13:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:13:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:13:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:13:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:13:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:13:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:13:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:13:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:13:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:13:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:13:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:13:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:13:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:13:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:13:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:13:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:13:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:13:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:13:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:13:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:13:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:13:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:13:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:13:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:13:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:13:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:13:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:13:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:13:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:13:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:13:42,081 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:13:42,793 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:13:43,733 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:13:43,733 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-13 23:13:43,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:13:43 BoogieIcfgContainer [2019-01-13 23:13:43,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:13:43,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:13:43,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:13:43,740 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:13:43,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:13:40" (1/3) ... [2019-01-13 23:13:43,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa50daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:13:43, skipping insertion in model container [2019-01-13 23:13:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:13:41" (2/3) ... [2019-01-13 23:13:43,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa50daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:13:43, skipping insertion in model container [2019-01-13 23:13:43,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:13:43" (3/3) ... [2019-01-13 23:13:43,744 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-13 23:13:43,755 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:13:43,764 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-01-13 23:13:43,781 INFO L257 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-01-13 23:13:43,807 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:13:43,808 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:13:43,808 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:13:43,808 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:13:43,808 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:13:43,808 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:13:43,809 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:13:43,809 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:13:43,809 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:13:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-01-13 23:13:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:13:43,839 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:43,840 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:43,843 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:43,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:43,849 INFO L82 PathProgramCache]: Analyzing trace with hash 821662636, now seen corresponding path program 1 times [2019-01-13 23:13:43,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:43,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:43,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:43,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:43,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:44,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:13:44,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:13:44,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:13:44,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:13:44,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:13:44,296 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2019-01-13 23:13:45,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:45,040 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2019-01-13 23:13:45,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:13:45,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-13 23:13:45,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:45,053 INFO L225 Difference]: With dead ends: 87 [2019-01-13 23:13:45,053 INFO L226 Difference]: Without dead ends: 84 [2019-01-13 23:13:45,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:13:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-01-13 23:13:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-01-13 23:13:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-13 23:13:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2019-01-13 23:13:45,101 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 16 [2019-01-13 23:13:45,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:45,101 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2019-01-13 23:13:45,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:13:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2019-01-13 23:13:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:13:45,104 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:45,104 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:45,105 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:45,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:45,107 INFO L82 PathProgramCache]: Analyzing trace with hash 821662637, now seen corresponding path program 1 times [2019-01-13 23:13:45,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:45,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:45,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:45,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:45,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:45,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:13:45,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:13:45,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:13:45,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:13:45,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:13:45,347 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 8 states. [2019-01-13 23:13:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:45,671 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2019-01-13 23:13:45,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:13:45,673 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-01-13 23:13:45,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:45,675 INFO L225 Difference]: With dead ends: 90 [2019-01-13 23:13:45,676 INFO L226 Difference]: Without dead ends: 90 [2019-01-13 23:13:45,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:13:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-01-13 23:13:45,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2019-01-13 23:13:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-13 23:13:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-01-13 23:13:45,692 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 16 [2019-01-13 23:13:45,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:45,692 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-01-13 23:13:45,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:13:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-01-13 23:13:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:13:45,694 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:45,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:45,696 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:45,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:45,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1709166317, now seen corresponding path program 1 times [2019-01-13 23:13:45,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:45,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:45,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:45,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:45,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:45,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:13:45,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:13:45,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:13:45,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:13:45,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:13:45,836 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 5 states. [2019-01-13 23:13:45,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:45,888 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2019-01-13 23:13:45,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:13:45,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-13 23:13:45,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:45,892 INFO L225 Difference]: With dead ends: 81 [2019-01-13 23:13:45,892 INFO L226 Difference]: Without dead ends: 81 [2019-01-13 23:13:45,894 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 [2019-01-13 23:13:45,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-13 23:13:45,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-13 23:13:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-13 23:13:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2019-01-13 23:13:45,903 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 16 [2019-01-13 23:13:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:45,904 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2019-01-13 23:13:45,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:13:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2019-01-13 23:13:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:13:45,906 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:45,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:45,908 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:45,908 INFO L82 PathProgramCache]: Analyzing trace with hash -297435230, now seen corresponding path program 1 times [2019-01-13 23:13:45,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:45,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:45,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:45,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:45,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:45,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:13:45,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:13:45,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:13:45,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:13:45,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:13:45,999 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 5 states. [2019-01-13 23:13:46,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:46,058 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2019-01-13 23:13:46,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:13:46,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:13:46,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:46,061 INFO L225 Difference]: With dead ends: 81 [2019-01-13 23:13:46,061 INFO L226 Difference]: Without dead ends: 81 [2019-01-13 23:13:46,062 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 [2019-01-13 23:13:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-13 23:13:46,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-13 23:13:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-13 23:13:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2019-01-13 23:13:46,072 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 17 [2019-01-13 23:13:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:46,073 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2019-01-13 23:13:46,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:13:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2019-01-13 23:13:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:13:46,074 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:46,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:46,075 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:46,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1445375105, now seen corresponding path program 1 times [2019-01-13 23:13:46,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:46,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:46,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:46,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:46,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:46,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:13:46,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:13:46,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:13:46,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:13:46,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:13:46,149 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 3 states. [2019-01-13 23:13:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:46,294 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions. [2019-01-13 23:13:46,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:13:46,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-13 23:13:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:46,298 INFO L225 Difference]: With dead ends: 117 [2019-01-13 23:13:46,300 INFO L226 Difference]: Without dead ends: 112 [2019-01-13 23:13:46,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:13:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-01-13 23:13:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 77. [2019-01-13 23:13:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-13 23:13:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2019-01-13 23:13:46,310 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 17 [2019-01-13 23:13:46,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:46,311 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2019-01-13 23:13:46,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:13:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2019-01-13 23:13:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:13:46,311 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:46,312 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:46,314 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:46,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:46,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1133358270, now seen corresponding path program 1 times [2019-01-13 23:13:46,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:46,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:46,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:46,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:46,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:46,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:46,595 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:46,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:46,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:46,744 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 [2019-01-13 23:13:46,747 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:46,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:13:46,768 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-13 23:13:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:47,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:47,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-01-13 23:13:47,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-13 23:13:47,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-13 23:13:47,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:13:47,227 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand 14 states. [2019-01-13 23:13:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:47,984 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2019-01-13 23:13:47,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:13:47,985 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 19 [2019-01-13 23:13:47,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:47,986 INFO L225 Difference]: With dead ends: 82 [2019-01-13 23:13:47,986 INFO L226 Difference]: Without dead ends: 82 [2019-01-13 23:13:47,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2019-01-13 23:13:47,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-13 23:13:47,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2019-01-13 23:13:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-13 23:13:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2019-01-13 23:13:47,995 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 19 [2019-01-13 23:13:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:47,995 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2019-01-13 23:13:47,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-13 23:13:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2019-01-13 23:13:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:13:47,998 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:47,999 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2019-01-13 23:13:47,999 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:47,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:47,999 INFO L82 PathProgramCache]: Analyzing trace with hash 38418836, now seen corresponding path program 1 times [2019-01-13 23:13:48,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:48,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:48,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:48,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:48,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-13 23:13:48,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:13:48,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:13:48,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:13:48,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:13:48,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:13:48,130 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand 8 states. [2019-01-13 23:13:48,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:48,669 INFO L93 Difference]: Finished difference Result 132 states and 146 transitions. [2019-01-13 23:13:48,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:13:48,671 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-01-13 23:13:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:48,673 INFO L225 Difference]: With dead ends: 132 [2019-01-13 23:13:48,673 INFO L226 Difference]: Without dead ends: 132 [2019-01-13 23:13:48,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:13:48,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-01-13 23:13:48,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 103. [2019-01-13 23:13:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-13 23:13:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2019-01-13 23:13:48,690 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 32 [2019-01-13 23:13:48,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:48,690 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2019-01-13 23:13:48,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:13:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2019-01-13 23:13:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:13:48,692 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:48,694 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2019-01-13 23:13:48,694 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:48,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:48,695 INFO L82 PathProgramCache]: Analyzing trace with hash 38418837, now seen corresponding path program 1 times [2019-01-13 23:13:48,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:48,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:48,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:48,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:48,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:48,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:48,806 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:48,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:48,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:49,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:49,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-01-13 23:13:49,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:13:49,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:13:49,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:13:49,014 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 9 states. [2019-01-13 23:13:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:49,084 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2019-01-13 23:13:49,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:13:49,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-01-13 23:13:49,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:49,088 INFO L225 Difference]: With dead ends: 108 [2019-01-13 23:13:49,088 INFO L226 Difference]: Without dead ends: 108 [2019-01-13 23:13:49,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:13:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-01-13 23:13:49,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2019-01-13 23:13:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-13 23:13:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2019-01-13 23:13:49,102 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 32 [2019-01-13 23:13:49,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:49,105 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2019-01-13 23:13:49,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:13:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2019-01-13 23:13:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-13 23:13:49,108 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:49,108 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-01-13 23:13:49,109 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:49,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1590956198, now seen corresponding path program 2 times [2019-01-13 23:13:49,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:49,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:49,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:49,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:49,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:49,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:49,574 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:49,591 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:13:49,640 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:13:49,640 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:13:49,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-01-13 23:13:49,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 23:13:49,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-01-13 23:13:49,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:13:49,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:13:49,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:13:49,733 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 9 states. [2019-01-13 23:13:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:49,969 INFO L93 Difference]: Finished difference Result 149 states and 176 transitions. [2019-01-13 23:13:49,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:13:49,970 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-01-13 23:13:49,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:49,971 INFO L225 Difference]: With dead ends: 149 [2019-01-13 23:13:49,971 INFO L226 Difference]: Without dead ends: 146 [2019-01-13 23:13:49,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:13:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-01-13 23:13:49,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 110. [2019-01-13 23:13:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-01-13 23:13:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-01-13 23:13:49,986 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 35 [2019-01-13 23:13:49,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:49,987 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-01-13 23:13:49,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:13:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-01-13 23:13:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-13 23:13:49,988 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:49,988 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:49,989 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:49,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:49,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2116300979, now seen corresponding path program 1 times [2019-01-13 23:13:49,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:49,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:49,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:49,994 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:13:49,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:13:50,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:50,201 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:50,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:50,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:50,421 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:50,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-01-13 23:13:50,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:13:50,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:13:50,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:13:50,422 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 13 states. [2019-01-13 23:13:50,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:50,497 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2019-01-13 23:13:50,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:13:50,500 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-01-13 23:13:50,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:50,501 INFO L225 Difference]: With dead ends: 115 [2019-01-13 23:13:50,501 INFO L226 Difference]: Without dead ends: 115 [2019-01-13 23:13:50,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:13:50,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-01-13 23:13:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2019-01-13 23:13:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-13 23:13:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions. [2019-01-13 23:13:50,513 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 38 [2019-01-13 23:13:50,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:50,513 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 132 transitions. [2019-01-13 23:13:50,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:13:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2019-01-13 23:13:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:13:50,514 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:50,514 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:50,518 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:50,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:50,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1861924612, now seen corresponding path program 2 times [2019-01-13 23:13:50,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:50,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:50,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:50,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:13:50,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:50,752 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:50,762 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:13:50,796 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-13 23:13:50,796 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:13:50,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:50,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:50,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-01-13 23:13:50,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-13 23:13:50,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-13 23:13:50,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:13:50,910 INFO L87 Difference]: Start difference. First operand 113 states and 132 transitions. Second operand 15 states. [2019-01-13 23:13:51,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:51,231 INFO L93 Difference]: Finished difference Result 118 states and 137 transitions. [2019-01-13 23:13:51,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:13:51,233 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-01-13 23:13:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:51,235 INFO L225 Difference]: With dead ends: 118 [2019-01-13 23:13:51,235 INFO L226 Difference]: Without dead ends: 118 [2019-01-13 23:13:51,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:13:51,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-01-13 23:13:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-01-13 23:13:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-01-13 23:13:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2019-01-13 23:13:51,243 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 41 [2019-01-13 23:13:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:51,243 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2019-01-13 23:13:51,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-13 23:13:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2019-01-13 23:13:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-01-13 23:13:51,246 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:51,247 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:51,247 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:51,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:51,248 INFO L82 PathProgramCache]: Analyzing trace with hash 57885459, now seen corresponding path program 3 times [2019-01-13 23:13:51,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:51,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:51,254 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:13:51,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:13:52,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:52,085 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:52,097 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-13 23:13:52,128 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-13 23:13:52,128 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:13:52,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:52,148 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 [2019-01-13 23:13:52,148 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:52,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:13:52,177 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:13:52,556 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| Int)) (= |c_#valid| (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| 1))) is different from true [2019-01-13 23:13:52,600 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 [2019-01-13 23:13:52,600 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:52,657 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. [2019-01-13 23:13:52,658 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-13 23:13:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 2 not checked. [2019-01-13 23:13:52,692 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:52,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2019-01-13 23:13:52,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-13 23:13:52,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-13 23:13:52,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=190, Unknown=1, NotChecked=28, Total=272 [2019-01-13 23:13:52,694 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 17 states. [2019-01-13 23:13:53,395 WARN L181 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-13 23:13:54,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:54,238 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2019-01-13 23:13:54,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-13 23:13:54,240 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2019-01-13 23:13:54,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:54,242 INFO L225 Difference]: With dead ends: 156 [2019-01-13 23:13:54,242 INFO L226 Difference]: Without dead ends: 156 [2019-01-13 23:13:54,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=167, Invalid=705, Unknown=2, NotChecked=56, Total=930 [2019-01-13 23:13:54,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-13 23:13:54,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2019-01-13 23:13:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-01-13 23:13:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2019-01-13 23:13:54,271 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 44 [2019-01-13 23:13:54,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:54,272 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2019-01-13 23:13:54,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-13 23:13:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2019-01-13 23:13:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-13 23:13:54,277 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:54,277 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:54,281 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:54,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:54,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1146746715, now seen corresponding path program 1 times [2019-01-13 23:13:54,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:54,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:54,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:54,283 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:13:54,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:13:54,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:54,505 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:54,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:54,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:54,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:54,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2019-01-13 23:13:54,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-01-13 23:13:54,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-01-13 23:13:54,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2019-01-13 23:13:54,732 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 19 states. [2019-01-13 23:13:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:54,872 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2019-01-13 23:13:54,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:13:54,873 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 47 [2019-01-13 23:13:54,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:54,874 INFO L225 Difference]: With dead ends: 128 [2019-01-13 23:13:54,874 INFO L226 Difference]: Without dead ends: 128 [2019-01-13 23:13:54,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2019-01-13 23:13:54,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-01-13 23:13:54,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-01-13 23:13:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-01-13 23:13:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-01-13 23:13:54,882 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 47 [2019-01-13 23:13:54,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:54,884 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-01-13 23:13:54,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-01-13 23:13:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-01-13 23:13:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-01-13 23:13:54,886 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:54,887 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:54,887 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:54,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:54,888 INFO L82 PathProgramCache]: Analyzing trace with hash 402853236, now seen corresponding path program 2 times [2019-01-13 23:13:54,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:54,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:54,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:54,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:13:54,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:13:55,163 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:55,163 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:55,175 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:13:55,215 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-13 23:13:55,215 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:13:55,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:13:55,395 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:55,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2019-01-13 23:13:55,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-13 23:13:55,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-13 23:13:55,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=246, Unknown=0, NotChecked=0, Total=420 [2019-01-13 23:13:55,396 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 21 states. [2019-01-13 23:13:55,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:13:55,520 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2019-01-13 23:13:55,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:13:55,522 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2019-01-13 23:13:55,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:13:55,523 INFO L225 Difference]: With dead ends: 131 [2019-01-13 23:13:55,523 INFO L226 Difference]: Without dead ends: 131 [2019-01-13 23:13:55,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=246, Unknown=0, NotChecked=0, Total=420 [2019-01-13 23:13:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-01-13 23:13:55,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2019-01-13 23:13:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-01-13 23:13:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2019-01-13 23:13:55,529 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 50 [2019-01-13 23:13:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:13:55,529 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2019-01-13 23:13:55,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-13 23:13:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2019-01-13 23:13:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-01-13 23:13:55,533 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:13:55,534 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:13:55,534 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:13:55,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:13:55,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2068471227, now seen corresponding path program 3 times [2019-01-13 23:13:55,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:13:55,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:13:55,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:55,539 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:13:55,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:13:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:13:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:13:55,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:13:55,694 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:13:55,707 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-13 23:13:55,746 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-13 23:13:55,746 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:13:55,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:13:55,832 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 [2019-01-13 23:13:55,833 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:55,849 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 [2019-01-13 23:13:55,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:55,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:13:55,858 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2019-01-13 23:13:56,117 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:13:56,119 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 14 treesize of output 17 [2019-01-13 23:13:56,120 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:56,140 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:13:56,142 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:13:56,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2019-01-13 23:13:56,143 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:13:56,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:13:56,156 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:33, output treesize:17 [2019-01-13 23:13:56,195 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-01-13 23:13:56,214 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:13:56,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2019-01-13 23:13:56,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-13 23:13:56,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-13 23:13:56,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-01-13 23:13:56,216 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 22 states. [2019-01-13 23:14:00,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:14:00,222 INFO L93 Difference]: Finished difference Result 254 states and 287 transitions. [2019-01-13 23:14:00,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-01-13 23:14:00,223 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 53 [2019-01-13 23:14:00,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:14:00,226 INFO L225 Difference]: With dead ends: 254 [2019-01-13 23:14:00,227 INFO L226 Difference]: Without dead ends: 254 [2019-01-13 23:14:00,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2019-01-13 23:14:00,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-01-13 23:14:00,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 140. [2019-01-13 23:14:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-01-13 23:14:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2019-01-13 23:14:00,238 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2019-01-13 23:14:00,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:14:00,238 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2019-01-13 23:14:00,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-13 23:14:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2019-01-13 23:14:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 23:14:00,242 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:14:00,242 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:14:00,243 INFO L423 AbstractCegarLoop]: === Iteration 16 === [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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:14:00,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:14:00,243 INFO L82 PathProgramCache]: Analyzing trace with hash -767280992, now seen corresponding path program 1 times [2019-01-13 23:14:00,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:14:00,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:14:00,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:00,249 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:14:00,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-13 23:14:00,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:14:00,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:14:00,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:14:00,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:14:00,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:14:00,464 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 5 states. [2019-01-13 23:14:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:14:00,506 INFO L93 Difference]: Finished difference Result 152 states and 179 transitions. [2019-01-13 23:14:00,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:14:00,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-13 23:14:00,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:14:00,510 INFO L225 Difference]: With dead ends: 152 [2019-01-13 23:14:00,510 INFO L226 Difference]: Without dead ends: 152 [2019-01-13 23:14:00,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:14:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-01-13 23:14:00,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 142. [2019-01-13 23:14:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-01-13 23:14:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2019-01-13 23:14:00,517 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 58 [2019-01-13 23:14:00,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:14:00,518 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2019-01-13 23:14:00,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:14:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2019-01-13 23:14:00,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 23:14:00,520 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:14:00,520 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:14:00,521 INFO L423 AbstractCegarLoop]: === Iteration 17 === [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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:14:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:14:00,521 INFO L82 PathProgramCache]: Analyzing trace with hash 975529343, now seen corresponding path program 1 times [2019-01-13 23:14:00,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:14:00,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:14:00,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:00,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:00,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:14:00,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:14:00,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:14:00,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:14:00,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:14:00,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:14:00,616 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 4 states. [2019-01-13 23:14:00,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:14:00,660 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2019-01-13 23:14:00,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:14:00,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-01-13 23:14:00,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:14:00,664 INFO L225 Difference]: With dead ends: 153 [2019-01-13 23:14:00,664 INFO L226 Difference]: Without dead ends: 153 [2019-01-13 23:14:00,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:14:00,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-01-13 23:14:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 144. [2019-01-13 23:14:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-01-13 23:14:00,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-01-13 23:14:00,670 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2019-01-13 23:14:00,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:14:00,670 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-01-13 23:14:00,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:14:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-01-13 23:14:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-13 23:14:00,671 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:14:00,671 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2019-01-13 23:14:00,676 INFO L423 AbstractCegarLoop]: === Iteration 18 === [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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:14:00,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:14:00,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1908743534, now seen corresponding path program 1 times [2019-01-13 23:14:00,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:14:00,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:14:00,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:00,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:00,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-13 23:14:00,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:14:00,862 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:14:00,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:00,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:14:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:14:01,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:14:01,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 23 [2019-01-13 23:14:01,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-01-13 23:14:01,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-01-13 23:14:01,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2019-01-13 23:14:01,439 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 24 states. [2019-01-13 23:14:03,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:14:03,485 INFO L93 Difference]: Finished difference Result 198 states and 224 transitions. [2019-01-13 23:14:03,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-13 23:14:03,486 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 65 [2019-01-13 23:14:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:14:03,488 INFO L225 Difference]: With dead ends: 198 [2019-01-13 23:14:03,489 INFO L226 Difference]: Without dead ends: 198 [2019-01-13 23:14:03,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2019-01-13 23:14:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-01-13 23:14:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 170. [2019-01-13 23:14:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-01-13 23:14:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 208 transitions. [2019-01-13 23:14:03,497 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 208 transitions. Word has length 65 [2019-01-13 23:14:03,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:14:03,498 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 208 transitions. [2019-01-13 23:14:03,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-01-13 23:14:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 208 transitions. [2019-01-13 23:14:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:14:03,502 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:14:03,502 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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] [2019-01-13 23:14:03,503 INFO L423 AbstractCegarLoop]: === Iteration 19 === [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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:14:03,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:14:03,504 INFO L82 PathProgramCache]: Analyzing trace with hash 759300008, now seen corresponding path program 1 times [2019-01-13 23:14:03,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:14:03,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:14:03,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:03,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:03,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:14:03,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:14:03,615 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:14:03,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:03,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:14:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:14:03,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:14:03,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-01-13 23:14:03,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:14:03,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:14:03,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:14:03,763 INFO L87 Difference]: Start difference. First operand 170 states and 208 transitions. Second operand 11 states. [2019-01-13 23:14:04,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:14:04,511 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2019-01-13 23:14:04,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-13 23:14:04,513 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2019-01-13 23:14:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:14:04,516 INFO L225 Difference]: With dead ends: 276 [2019-01-13 23:14:04,516 INFO L226 Difference]: Without dead ends: 270 [2019-01-13 23:14:04,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2019-01-13 23:14:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-01-13 23:14:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 168. [2019-01-13 23:14:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-01-13 23:14:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 203 transitions. [2019-01-13 23:14:04,524 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 203 transitions. Word has length 66 [2019-01-13 23:14:04,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:14:04,527 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 203 transitions. [2019-01-13 23:14:04,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:14:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2019-01-13 23:14:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:14:04,528 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:14:04,528 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:14:04,529 INFO L423 AbstractCegarLoop]: === Iteration 20 === [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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:14:04,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:14:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2146933864, now seen corresponding path program 1 times [2019-01-13 23:14:04,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:14:04,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:14:04,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:04,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:04,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:14:05,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:14:05,043 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:14:05,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:05,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:14:05,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:05,522 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 17 treesize of output 20 [2019-01-13 23:14:05,523 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:05,540 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:05,544 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:05,545 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 11 treesize of output 4 [2019-01-13 23:14:05,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:05,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:05,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:20 [2019-01-13 23:14:05,685 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:05,688 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 17 treesize of output 20 [2019-01-13 23:14:05,688 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:05,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:05,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:05,714 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 11 treesize of output 4 [2019-01-13 23:14:05,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:05,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:05,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:20 [2019-01-13 23:14:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:14:05,799 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:14:05,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2019-01-13 23:14:05,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-01-13 23:14:05,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-01-13 23:14:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=945, Unknown=0, NotChecked=0, Total=1056 [2019-01-13 23:14:05,801 INFO L87 Difference]: Start difference. First operand 168 states and 203 transitions. Second operand 33 states. [2019-01-13 23:14:12,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:14:12,590 INFO L93 Difference]: Finished difference Result 326 states and 378 transitions. [2019-01-13 23:14:12,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-01-13 23:14:12,591 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 66 [2019-01-13 23:14:12,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:14:12,593 INFO L225 Difference]: With dead ends: 326 [2019-01-13 23:14:12,593 INFO L226 Difference]: Without dead ends: 326 [2019-01-13 23:14:12,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556 [2019-01-13 23:14:12,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-01-13 23:14:12,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 167. [2019-01-13 23:14:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-13 23:14:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2019-01-13 23:14:12,605 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 66 [2019-01-13 23:14:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:14:12,605 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2019-01-13 23:14:12,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-01-13 23:14:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2019-01-13 23:14:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:14:12,610 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:14:12,610 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2019-01-13 23:14:12,610 INFO L423 AbstractCegarLoop]: === Iteration 21 === [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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:14:12,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:14:12,616 INFO L82 PathProgramCache]: Analyzing trace with hash -958492260, now seen corresponding path program 1 times [2019-01-13 23:14:12,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:14:12,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:14:12,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:12,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:12,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:14:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:13,293 WARN L181 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2019-01-13 23:14:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 85 proven. 62 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:14:14,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:14:14,021 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:14:14,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:14:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:14:14,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:14:14,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 12 [2019-01-13 23:14:14,102 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 12 treesize of output 11 [2019-01-13 23:14:14,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,104 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,116 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:22 [2019-01-13 23:14:14,214 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 28 treesize of output 23 [2019-01-13 23:14:14,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,218 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 23 treesize of output 37 [2019-01-13 23:14:14,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,274 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-01-13 23:14:14,387 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 40 treesize of output 33 [2019-01-13 23:14:14,394 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,397 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,400 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 76 [2019-01-13 23:14:14,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,434 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-01-13 23:14:14,543 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 51 treesize of output 42 [2019-01-13 23:14:14,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,553 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,554 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,555 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,556 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,557 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 125 [2019-01-13 23:14:14,559 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:14,593 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:62 [2019-01-13 23:14:14,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 62 treesize of output 51 [2019-01-13 23:14:14,873 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,897 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,922 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,924 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,925 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,927 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,928 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,929 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,930 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:14,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 186 [2019-01-13 23:14:14,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:14,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:14,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:82, output treesize:78 [2019-01-13 23:14:17,596 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 73 treesize of output 60 [2019-01-13 23:14:17,607 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,609 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,610 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,611 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,612 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,613 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,614 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,615 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,616 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,617 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,619 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,620 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,621 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 259 [2019-01-13 23:14:17,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:17,705 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:17,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:17,732 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:94 [2019-01-13 23:14:17,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 84 treesize of output 69 [2019-01-13 23:14:17,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,891 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,892 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,896 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,897 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,900 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,905 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,906 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,907 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,910 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,912 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,915 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,916 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,919 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:17,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 344 [2019-01-13 23:14:17,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:17,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:18,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:18,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:114, output treesize:110 [2019-01-13 23:14:18,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 95 treesize of output 78 [2019-01-13 23:14:18,966 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,967 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,968 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,969 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,971 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,972 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,973 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,974 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,976 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,978 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,979 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,980 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,981 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,982 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,983 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,985 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,986 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,987 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,988 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,989 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:18,991 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,014 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,016 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,017 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,019 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,020 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:19,026 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 441 [2019-01-13 23:14:19,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:19,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:19,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:19,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:130, output treesize:126 [2019-01-13 23:14:22,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 106 treesize of output 87 [2019-01-13 23:14:23,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,083 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,110 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,132 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,153 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,173 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,198 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,221 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,286 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,311 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,337 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,353 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,376 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,395 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,417 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,443 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,506 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,572 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,587 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,612 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,638 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,664 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,690 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,716 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,767 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,815 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,841 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:23,842 INFO L303 Elim1Store]: Index analysis took 843 ms [2019-01-13 23:14:23,844 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 550 [2019-01-13 23:14:23,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:24,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:24,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:24,063 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:146, output treesize:142 [2019-01-13 23:14:41,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 117 treesize of output 96 [2019-01-13 23:14:41,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,191 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,204 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,206 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,209 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,210 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,214 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,216 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,218 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,223 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,225 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,229 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,230 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,238 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,245 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,248 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,253 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,254 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,260 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,262 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,267 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,270 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,272 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:14:41,272 INFO L303 Elim1Store]: Index analysis took 128 ms [2019-01-13 23:14:41,275 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 671 [2019-01-13 23:14:41,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:14:41,462 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:14:41,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-01-13 23:14:41,514 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:162, output treesize:158 [2019-01-13 23:15:04,917 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-13 23:15:05,118 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:15:05,120 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2019-01-13 23:15:05,125 INFO L168 Benchmark]: Toolchain (without parser) took 84744.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 417.9 MB). Free memory was 947.3 MB in the beginning and 1.3 GB in the end (delta: -371.8 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:15:05,126 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:15:05,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:15:05,127 INFO L168 Benchmark]: Boogie Preprocessor took 113.13 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. [2019-01-13 23:15:05,128 INFO L168 Benchmark]: RCFGBuilder took 2443.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. [2019-01-13 23:15:05,128 INFO L168 Benchmark]: TraceAbstraction took 81387.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 296.7 MB). Free memory was 965.4 MB in the beginning and 1.3 GB in the end (delta: -353.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:15:05,133 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 794.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.13 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. * RCFGBuilder took 2443.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 81387.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 296.7 MB). Free memory was 965.4 MB in the beginning and 1.3 GB in the end (delta: -353.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:15:07,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:15:07,156 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:15:07,168 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:15:07,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:15:07,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:15:07,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:15:07,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:15:07,175 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:15:07,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:15:07,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:15:07,177 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:15:07,178 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:15:07,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:15:07,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:15:07,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:15:07,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:15:07,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:15:07,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:15:07,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:15:07,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:15:07,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:15:07,194 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:15:07,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:15:07,194 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:15:07,195 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:15:07,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:15:07,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:15:07,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:15:07,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:15:07,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:15:07,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:15:07,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:15:07,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:15:07,203 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:15:07,204 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:15:07,205 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:15:07,221 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:15:07,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:15:07,224 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:15:07,224 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:15:07,224 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:15:07,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:15:07,225 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:15:07,225 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:15:07,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:15:07,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:15:07,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:15:07,227 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:15:07,227 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:15:07,228 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:15:07,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:15:07,228 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:15:07,228 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:15:07,228 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:15:07,228 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:15:07,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:15:07,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:15:07,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:15:07,231 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:15:07,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:15:07,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:15:07,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:15:07,232 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:15:07,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:15:07,233 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:15:07,233 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf7d7a4067ef9712cccdc61e57c274773cdfd53 [2019-01-13 23:15:07,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:15:07,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:15:07,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:15:07,316 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:15:07,317 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:15:07,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-13 23:15:07,382 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dd503969/9989b1d647624f288d48951aa977faee/FLAG0372763c4 [2019-01-13 23:15:07,919 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:15:07,921 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-13 23:15:07,943 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dd503969/9989b1d647624f288d48951aa977faee/FLAG0372763c4 [2019-01-13 23:15:08,171 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dd503969/9989b1d647624f288d48951aa977faee [2019-01-13 23:15:08,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:15:08,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:15:08,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:15:08,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:15:08,182 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:15:08,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:08,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13440e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08, skipping insertion in model container [2019-01-13 23:15:08,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:08,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:15:08,252 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:15:08,660 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:15:08,692 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:15:08,869 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:15:08,964 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:15:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08 WrapperNode [2019-01-13 23:15:08,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:15:08,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:15:08,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:15:08,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:15:08,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:08,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:09,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:09,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:09,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:09,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:09,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... [2019-01-13 23:15:09,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:15:09,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:15:09,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:15:09,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:15:09,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:15:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:15:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:15:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:15:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:15:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:15:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:15:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:15:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:15:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:15:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:15:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:15:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:15:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:15:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:15:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:15:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:15:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:15:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:15:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:15:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-13 23:15:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-13 23:15:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:15:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:15:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:15:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:15:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:15:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:15:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:15:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:15:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:15:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:15:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:15:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:15:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:15:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:15:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:15:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:15:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:15:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:15:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:15:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:15:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:15:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:15:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:15:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:15:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:15:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:15:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:15:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:15:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:15:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:15:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:15:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:15:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:15:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:15:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:15:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:15:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:15:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:15:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:15:09,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:15:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:15:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:15:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:15:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:15:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:15:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:15:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-13 23:15:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:15:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:15:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:15:09,971 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:15:10,675 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:15:12,045 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:15:12,046 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-13 23:15:12,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:15:12 BoogieIcfgContainer [2019-01-13 23:15:12,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:15:12,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:15:12,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:15:12,053 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:15:12,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:15:08" (1/3) ... [2019-01-13 23:15:12,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0cf539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:15:12, skipping insertion in model container [2019-01-13 23:15:12,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:15:08" (2/3) ... [2019-01-13 23:15:12,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0cf539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:15:12, skipping insertion in model container [2019-01-13 23:15:12,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:15:12" (3/3) ... [2019-01-13 23:15:12,058 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-13 23:15:12,068 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:15:12,078 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-01-13 23:15:12,096 INFO L257 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-01-13 23:15:12,123 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:15:12,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:15:12,124 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:15:12,124 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:15:12,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:15:12,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:15:12,124 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:15:12,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:15:12,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:15:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-01-13 23:15:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:15:12,151 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:12,152 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:12,154 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:12,160 INFO L82 PathProgramCache]: Analyzing trace with hash 486803852, now seen corresponding path program 1 times [2019-01-13 23:15:12,164 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:12,164 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:15:12,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:12,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:12,443 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:12,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:12,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:15:12,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:15:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:15:12,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:12,475 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2019-01-13 23:15:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:12,596 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2019-01-13 23:15:12,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:15:12,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-13 23:15:12,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:12,610 INFO L225 Difference]: With dead ends: 83 [2019-01-13 23:15:12,610 INFO L226 Difference]: Without dead ends: 80 [2019-01-13 23:15:12,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:12,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-13 23:15:12,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-01-13 23:15:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-13 23:15:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2019-01-13 23:15:12,659 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 16 [2019-01-13 23:15:12,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:12,660 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2019-01-13 23:15:12,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:15:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2019-01-13 23:15:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:15:12,661 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:12,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:12,663 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:12,664 INFO L82 PathProgramCache]: Analyzing trace with hash -400699829, now seen corresponding path program 1 times [2019-01-13 23:15:12,664 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:12,664 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:15:12,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:12,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:12,789 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 [2019-01-13 23:15:12,794 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:12,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:12,802 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:15:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:12,845 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:12,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:12,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:15:12,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:15:12,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:15:12,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:12,851 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand 5 states. [2019-01-13 23:15:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:13,307 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2019-01-13 23:15:13,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:15:13,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-13 23:15:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:13,309 INFO L225 Difference]: With dead ends: 79 [2019-01-13 23:15:13,310 INFO L226 Difference]: Without dead ends: 79 [2019-01-13 23:15:13,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:13,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-13 23:15:13,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-01-13 23:15:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-13 23:15:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2019-01-13 23:15:13,322 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 16 [2019-01-13 23:15:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:13,322 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2019-01-13 23:15:13,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:15:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2019-01-13 23:15:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 23:15:13,324 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:13,324 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:13,325 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:13,327 INFO L82 PathProgramCache]: Analyzing trace with hash -400699828, now seen corresponding path program 1 times [2019-01-13 23:15:13,327 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:13,328 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:15:13,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:13,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:13,440 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 [2019-01-13 23:15:13,440 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:13,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:13,449 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:15:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:13,565 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:13,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:13,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:15:13,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:15:13,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:15:13,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:15:13,572 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand 8 states. [2019-01-13 23:15:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:14,058 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2019-01-13 23:15:14,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:15:14,058 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-01-13 23:15:14,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:14,060 INFO L225 Difference]: With dead ends: 82 [2019-01-13 23:15:14,060 INFO L226 Difference]: Without dead ends: 82 [2019-01-13 23:15:14,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:15:14,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-13 23:15:14,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2019-01-13 23:15:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-13 23:15:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2019-01-13 23:15:14,072 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 16 [2019-01-13 23:15:14,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:14,072 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2019-01-13 23:15:14,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:15:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2019-01-13 23:15:14,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:15:14,073 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:14,073 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:14,074 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:14,075 INFO L82 PathProgramCache]: Analyzing trace with hash -2088122935, now seen corresponding path program 1 times [2019-01-13 23:15:14,075 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:14,075 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:14,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:14,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:14,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:14,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:14,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:15:14,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:15:14,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:15:14,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:15:14,173 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 3 states. [2019-01-13 23:15:14,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:14,573 INFO L93 Difference]: Finished difference Result 117 states and 130 transitions. [2019-01-13 23:15:14,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:15:14,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-13 23:15:14,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:14,578 INFO L225 Difference]: With dead ends: 117 [2019-01-13 23:15:14,580 INFO L226 Difference]: Without dead ends: 112 [2019-01-13 23:15:14,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:15:14,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-01-13 23:15:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 77. [2019-01-13 23:15:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-13 23:15:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 84 transitions. [2019-01-13 23:15:14,600 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 84 transitions. Word has length 17 [2019-01-13 23:15:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:14,600 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 84 transitions. [2019-01-13 23:15:14,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:15:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2019-01-13 23:15:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:15:14,601 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:14,601 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:14,602 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:14,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:14,603 INFO L82 PathProgramCache]: Analyzing trace with hash 464034026, now seen corresponding path program 1 times [2019-01-13 23:15:14,607 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:14,607 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:14,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:14,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:14,710 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:14,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:14,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:15:14,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:15:14,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:15:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:14,714 INFO L87 Difference]: Start difference. First operand 77 states and 84 transitions. Second operand 5 states. [2019-01-13 23:15:14,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:14,783 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2019-01-13 23:15:14,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:15:14,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:15:14,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:14,786 INFO L225 Difference]: With dead ends: 77 [2019-01-13 23:15:14,786 INFO L226 Difference]: Without dead ends: 77 [2019-01-13 23:15:14,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:14,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-13 23:15:14,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-01-13 23:15:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-13 23:15:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2019-01-13 23:15:14,794 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 17 [2019-01-13 23:15:14,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:14,795 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2019-01-13 23:15:14,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:15:14,796 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2019-01-13 23:15:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:15:14,796 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:14,797 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:14,798 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:14,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:14,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1534095099, now seen corresponding path program 1 times [2019-01-13 23:15:14,799 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:14,799 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:14,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:14,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:14,920 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 [2019-01-13 23:15:14,921 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:14,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:14,930 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:15:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:15,146 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:16,077 WARN L181 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-13 23:15:16,770 WARN L181 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-01-13 23:15:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:17,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:15:17,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2019-01-13 23:15:17,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-13 23:15:17,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-13 23:15:17,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-01-13 23:15:17,150 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand 17 states. [2019-01-13 23:15:18,553 WARN L181 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-01-13 23:15:19,009 WARN L181 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-13 23:15:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:19,775 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2019-01-13 23:15:19,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:15:19,777 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 19 [2019-01-13 23:15:19,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:19,779 INFO L225 Difference]: With dead ends: 90 [2019-01-13 23:15:19,779 INFO L226 Difference]: Without dead ends: 90 [2019-01-13 23:15:19,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2019-01-13 23:15:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-01-13 23:15:19,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2019-01-13 23:15:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-01-13 23:15:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2019-01-13 23:15:19,788 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 19 [2019-01-13 23:15:19,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:19,788 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2019-01-13 23:15:19,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-13 23:15:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2019-01-13 23:15:19,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:15:19,790 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:19,791 INFO L402 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:19,791 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:19,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:19,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1720256244, now seen corresponding path program 2 times [2019-01-13 23:15:19,794 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:19,794 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:19,814 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-13 23:15:19,934 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-13 23:15:19,934 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:15:19,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:19,959 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 [2019-01-13 23:15:19,960 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:19,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:19,985 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:15:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:20,162 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:22,117 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:15:22,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-01-13 23:15:22,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-13 23:15:22,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-13 23:15:22,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2019-01-13 23:15:22,119 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand 22 states. [2019-01-13 23:15:23,631 WARN L181 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2019-01-13 23:15:23,932 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2019-01-13 23:15:24,490 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-01-13 23:15:24,705 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2019-01-13 23:15:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:26,177 INFO L93 Difference]: Finished difference Result 111 states and 128 transitions. [2019-01-13 23:15:26,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-13 23:15:26,178 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 28 [2019-01-13 23:15:26,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:26,180 INFO L225 Difference]: With dead ends: 111 [2019-01-13 23:15:26,180 INFO L226 Difference]: Without dead ends: 111 [2019-01-13 23:15:26,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=261, Invalid=1071, Unknown=0, NotChecked=0, Total=1332 [2019-01-13 23:15:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-01-13 23:15:26,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 104. [2019-01-13 23:15:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:15:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions. [2019-01-13 23:15:26,208 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 28 [2019-01-13 23:15:26,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:26,209 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 115 transitions. [2019-01-13 23:15:26,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-13 23:15:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2019-01-13 23:15:26,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:15:26,211 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:26,211 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:26,212 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:26,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:26,213 INFO L82 PathProgramCache]: Analyzing trace with hash 960347212, now seen corresponding path program 1 times [2019-01-13 23:15:26,215 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:26,216 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:26,240 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:15:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:26,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:26,464 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:15:26,698 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:15:26,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-01-13 23:15:26,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-13 23:15:26,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-13 23:15:26,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-01-13 23:15:26,700 INFO L87 Difference]: Start difference. First operand 104 states and 115 transitions. Second operand 16 states. [2019-01-13 23:15:27,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:27,523 INFO L93 Difference]: Finished difference Result 104 states and 110 transitions. [2019-01-13 23:15:27,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:15:27,525 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2019-01-13 23:15:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:27,529 INFO L225 Difference]: With dead ends: 104 [2019-01-13 23:15:27,530 INFO L226 Difference]: Without dead ends: 104 [2019-01-13 23:15:27,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2019-01-13 23:15:27,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-13 23:15:27,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-01-13 23:15:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:15:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2019-01-13 23:15:27,548 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 41 [2019-01-13 23:15:27,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:27,549 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2019-01-13 23:15:27,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-13 23:15:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2019-01-13 23:15:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-13 23:15:27,556 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:27,556 INFO L402 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:27,560 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:27,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:27,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1125335764, now seen corresponding path program 3 times [2019-01-13 23:15:27,561 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:27,561 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:27,594 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2019-01-13 23:15:27,976 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-01-13 23:15:27,976 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:15:27,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:28,007 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 [2019-01-13 23:15:28,008 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:28,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:28,015 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:15:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:28,964 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:29,610 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2019-01-13 23:15:30,694 WARN L181 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-01-13 23:15:31,018 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-13 23:15:32,157 WARN L181 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2019-01-13 23:15:32,565 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-13 23:15:33,018 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-13 23:15:33,540 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-13 23:15:34,001 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-13 23:15:37,131 WARN L181 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-01-13 23:15:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:15:38,058 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:15:38,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 38 [2019-01-13 23:15:38,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-01-13 23:15:38,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-01-13 23:15:38,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2019-01-13 23:15:38,067 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 38 states. [2019-01-13 23:15:39,291 WARN L181 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-01-13 23:15:40,271 WARN L181 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-01-13 23:15:45,721 WARN L181 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 142 [2019-01-13 23:15:49,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:49,303 INFO L93 Difference]: Finished difference Result 104 states and 110 transitions. [2019-01-13 23:15:49,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-13 23:15:49,305 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 46 [2019-01-13 23:15:49,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:49,306 INFO L225 Difference]: With dead ends: 104 [2019-01-13 23:15:49,306 INFO L226 Difference]: Without dead ends: 104 [2019-01-13 23:15:49,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 49 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=358, Invalid=1364, Unknown=0, NotChecked=0, Total=1722 [2019-01-13 23:15:49,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-13 23:15:49,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2019-01-13 23:15:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-01-13 23:15:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-01-13 23:15:49,312 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 46 [2019-01-13 23:15:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:49,313 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-01-13 23:15:49,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-01-13 23:15:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-01-13 23:15:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-13 23:15:49,315 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:49,315 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:49,316 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:49,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1849218675, now seen corresponding path program 2 times [2019-01-13 23:15:49,316 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:49,317 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:49,350 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-13 23:15:49,406 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:15:49,406 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:15:49,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-13 23:15:49,463 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:49,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:49,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:15:49,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:15:49,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:15:49,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:49,468 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 5 states. [2019-01-13 23:15:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:49,497 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2019-01-13 23:15:49,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:15:49,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-01-13 23:15:49,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:49,500 INFO L225 Difference]: With dead ends: 106 [2019-01-13 23:15:49,500 INFO L226 Difference]: Without dead ends: 106 [2019-01-13 23:15:49,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:49,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-13 23:15:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2019-01-13 23:15:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:15:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2019-01-13 23:15:49,505 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 56 [2019-01-13 23:15:49,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:49,505 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2019-01-13 23:15:49,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:15:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2019-01-13 23:15:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-13 23:15:49,507 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:49,507 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:49,507 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:49,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:49,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1820589524, now seen corresponding path program 1 times [2019-01-13 23:15:49,508 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:49,508 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:49,532 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:15:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:49,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:49,790 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 [2019-01-13 23:15:49,790 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:49,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:49,806 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:15:50,539 WARN L860 $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 [2019-01-13 23:15:50,546 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 [2019-01-13 23:15:50,546 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:50,552 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. [2019-01-13 23:15:50,553 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-13 23:15:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-13 23:15:50,568 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-01-13 23:15:50,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 23:15:50,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2019-01-13 23:15:50,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:15:50,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:15:50,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=7, NotChecked=14, Total=90 [2019-01-13 23:15:50,740 INFO L87 Difference]: Start difference. First operand 104 states and 109 transitions. Second operand 10 states. [2019-01-13 23:15:51,891 WARN L181 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 22 DAG size of output: 13 [2019-01-13 23:15:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:52,541 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2019-01-13 23:15:52,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:15:52,542 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-01-13 23:15:52,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:52,543 INFO L225 Difference]: With dead ends: 152 [2019-01-13 23:15:52,546 INFO L226 Difference]: Without dead ends: 152 [2019-01-13 23:15:52,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=44, Invalid=130, Unknown=12, NotChecked=24, Total=210 [2019-01-13 23:15:52,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-01-13 23:15:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2019-01-13 23:15:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-01-13 23:15:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2019-01-13 23:15:52,554 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 56 [2019-01-13 23:15:52,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:52,554 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2019-01-13 23:15:52,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:15:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2019-01-13 23:15:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-13 23:15:52,555 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:52,556 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:52,556 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:52,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:52,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1820589525, now seen corresponding path program 1 times [2019-01-13 23:15:52,557 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:52,557 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:52,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:52,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:52,987 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 [2019-01-13 23:15:52,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:53,018 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 [2019-01-13 23:15:53,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:53,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:53,028 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:15:54,787 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:15:54,794 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:15:54,795 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:15:54,796 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 11 treesize of output 4 [2019-01-13 23:15:54,797 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:54,821 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 14 treesize of output 17 [2019-01-13 23:15:54,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:54,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:54,845 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-13 23:15:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-13 23:15:54,882 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:55,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:15:55,306 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:15:55,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:55,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:55,399 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 [2019-01-13 23:15:55,400 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:55,418 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 [2019-01-13 23:15:55,419 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:55,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:55,429 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:15:55,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:15:55,455 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:15:55,456 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 11 treesize of output 4 [2019-01-13 23:15:55,457 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:55,493 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 14 treesize of output 17 [2019-01-13 23:15:55,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:55,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:55,511 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-13 23:15:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-13 23:15:55,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:55,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:15:55,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2019-01-13 23:15:55,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 23:15:55,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 23:15:55,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=130, Unknown=1, NotChecked=22, Total=182 [2019-01-13 23:15:55,773 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand 12 states. [2019-01-13 23:15:57,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:57,259 INFO L93 Difference]: Finished difference Result 175 states and 195 transitions. [2019-01-13 23:15:57,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:15:57,261 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2019-01-13 23:15:57,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:57,263 INFO L225 Difference]: With dead ends: 175 [2019-01-13 23:15:57,265 INFO L226 Difference]: Without dead ends: 175 [2019-01-13 23:15:57,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=62, Invalid=321, Unknown=1, NotChecked=36, Total=420 [2019-01-13 23:15:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-01-13 23:15:57,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 131. [2019-01-13 23:15:57,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-01-13 23:15:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 149 transitions. [2019-01-13 23:15:57,274 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 149 transitions. Word has length 56 [2019-01-13 23:15:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:57,274 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 149 transitions. [2019-01-13 23:15:57,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 23:15:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 149 transitions. [2019-01-13 23:15:57,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-13 23:15:57,277 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:57,277 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-01-13 23:15:57,278 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:57,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2146212339, now seen corresponding path program 1 times [2019-01-13 23:15:57,281 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:57,281 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:15:57,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:57,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-13 23:15:57,552 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:57,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:57,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:15:57,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:15:57,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:15:57,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:57,556 INFO L87 Difference]: Start difference. First operand 131 states and 149 transitions. Second operand 5 states. [2019-01-13 23:15:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:57,670 INFO L93 Difference]: Finished difference Result 155 states and 174 transitions. [2019-01-13 23:15:57,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:15:57,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-01-13 23:15:57,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:57,678 INFO L225 Difference]: With dead ends: 155 [2019-01-13 23:15:57,678 INFO L226 Difference]: Without dead ends: 152 [2019-01-13 23:15:57,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:15:57,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-01-13 23:15:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 130. [2019-01-13 23:15:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-01-13 23:15:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2019-01-13 23:15:57,685 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 56 [2019-01-13 23:15:57,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:57,685 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2019-01-13 23:15:57,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:15:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2019-01-13 23:15:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 23:15:57,687 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:57,687 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:15:57,688 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:57,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1017358304, now seen corresponding path program 1 times [2019-01-13 23:15:57,691 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:57,691 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:15:57,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:57,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:15:57,937 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:15:57,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:15:57,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:15:57,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:15:57,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:15:57,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:15:57,941 INFO L87 Difference]: Start difference. First operand 130 states and 147 transitions. Second operand 4 states. [2019-01-13 23:15:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:58,116 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2019-01-13 23:15:58,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:15:58,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-01-13 23:15:58,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:58,119 INFO L225 Difference]: With dead ends: 136 [2019-01-13 23:15:58,120 INFO L226 Difference]: Without dead ends: 136 [2019-01-13 23:15:58,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:15:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-01-13 23:15:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 132. [2019-01-13 23:15:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-01-13 23:15:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 148 transitions. [2019-01-13 23:15:58,126 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 148 transitions. Word has length 58 [2019-01-13 23:15:58,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:58,126 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 148 transitions. [2019-01-13 23:15:58,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:15:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2019-01-13 23:15:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-13 23:15:58,128 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:58,129 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2019-01-13 23:15:58,130 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:58,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:58,130 INFO L82 PathProgramCache]: Analyzing trace with hash -306760525, now seen corresponding path program 1 times [2019-01-13 23:15:58,133 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:58,133 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:15:58,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:58,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:58,362 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 [2019-01-13 23:15:58,362 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:58,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:58,364 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:15:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-13 23:15:58,432 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:58,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:15:58,527 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:15:58,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:15:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:15:58,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:15:58,621 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 [2019-01-13 23:15:58,621 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:15:58,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:15:58,642 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:15:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-13 23:15:58,672 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:15:58,976 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:15:58,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2019-01-13 23:15:58,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:15:58,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:15:58,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=50, Unknown=6, NotChecked=0, Total=72 [2019-01-13 23:15:58,978 INFO L87 Difference]: Start difference. First operand 132 states and 148 transitions. Second operand 8 states. [2019-01-13 23:15:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:15:59,947 INFO L93 Difference]: Finished difference Result 156 states and 172 transitions. [2019-01-13 23:15:59,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:15:59,948 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2019-01-13 23:15:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:15:59,950 INFO L225 Difference]: With dead ends: 156 [2019-01-13 23:15:59,950 INFO L226 Difference]: Without dead ends: 156 [2019-01-13 23:15:59,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=89, Unknown=9, NotChecked=0, Total=132 [2019-01-13 23:15:59,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-13 23:15:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 137. [2019-01-13 23:15:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-01-13 23:15:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 154 transitions. [2019-01-13 23:15:59,960 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 154 transitions. Word has length 65 [2019-01-13 23:15:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:15:59,960 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 154 transitions. [2019-01-13 23:15:59,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:15:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2019-01-13 23:15:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-13 23:15:59,963 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:15:59,963 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2019-01-13 23:15:59,963 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:15:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:15:59,966 INFO L82 PathProgramCache]: Analyzing trace with hash -306760524, now seen corresponding path program 1 times [2019-01-13 23:15:59,967 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:15:59,967 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:15:59,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:00,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:00,227 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 [2019-01-13 23:16:00,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:00,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:00,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:16:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-13 23:16:00,704 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:01,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:16:01,191 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:16:01,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:01,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:01,274 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 [2019-01-13 23:16:01,274 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:01,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:01,284 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:16:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-13 23:16:01,299 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:01,716 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:16:01,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-01-13 23:16:01,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:16:01,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:16:01,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:16:01,717 INFO L87 Difference]: Start difference. First operand 137 states and 154 transitions. Second operand 10 states. [2019-01-13 23:16:02,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:02,743 INFO L93 Difference]: Finished difference Result 166 states and 183 transitions. [2019-01-13 23:16:02,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:16:02,744 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2019-01-13 23:16:02,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:02,745 INFO L225 Difference]: With dead ends: 166 [2019-01-13 23:16:02,745 INFO L226 Difference]: Without dead ends: 166 [2019-01-13 23:16:02,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2019-01-13 23:16:02,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-01-13 23:16:02,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 146. [2019-01-13 23:16:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-01-13 23:16:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 167 transitions. [2019-01-13 23:16:02,751 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 167 transitions. Word has length 65 [2019-01-13 23:16:02,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:02,752 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 167 transitions. [2019-01-13 23:16:02,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:16:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 167 transitions. [2019-01-13 23:16:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-13 23:16:02,754 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:02,755 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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] [2019-01-13 23:16:02,756 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:02,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:02,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1814312334, now seen corresponding path program 1 times [2019-01-13 23:16:02,756 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:02,757 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:02,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:02,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-13 23:16:02,898 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (21)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:16:02,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:16:02,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:16:02,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:16:02,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:16:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:16:02,902 INFO L87 Difference]: Start difference. First operand 146 states and 167 transitions. Second operand 5 states. [2019-01-13 23:16:02,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:02,955 INFO L93 Difference]: Finished difference Result 141 states and 159 transitions. [2019-01-13 23:16:02,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:16:02,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-01-13 23:16:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:02,964 INFO L225 Difference]: With dead ends: 141 [2019-01-13 23:16:02,964 INFO L226 Difference]: Without dead ends: 141 [2019-01-13 23:16:02,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:16:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-01-13 23:16:02,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-01-13 23:16:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-01-13 23:16:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 159 transitions. [2019-01-13 23:16:02,974 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 159 transitions. Word has length 65 [2019-01-13 23:16:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:02,974 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 159 transitions. [2019-01-13 23:16:02,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:16:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 159 transitions. [2019-01-13 23:16:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:16:02,975 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:02,975 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2019-01-13 23:16:02,978 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:02,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:02,984 INFO L82 PathProgramCache]: Analyzing trace with hash -919641316, now seen corresponding path program 1 times [2019-01-13 23:16:02,984 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:02,984 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:03,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:03,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:03,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 12 [2019-01-13 23:16:03,622 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 12 treesize of output 11 [2019-01-13 23:16:03,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,636 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-01-13 23:16:03,681 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 treesize of output 18 [2019-01-13 23:16:03,687 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,688 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 18 treesize of output 27 [2019-01-13 23:16:03,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2019-01-13 23:16:03,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 35 treesize of output 28 [2019-01-13 23:16:03,786 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,787 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,790 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,791 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 61 [2019-01-13 23:16:03,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2019-01-13 23:16:03,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 47 treesize of output 38 [2019-01-13 23:16:03,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,940 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,941 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,942 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:03,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 109 [2019-01-13 23:16:03,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:03,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:49 [2019-01-13 23:16:04,135 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 59 treesize of output 48 [2019-01-13 23:16:04,143 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,145 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,146 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,149 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,151 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,153 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,155 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,157 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,158 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,160 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 171 [2019-01-13 23:16:04,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2019-01-13 23:16:04,494 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 71 treesize of output 58 [2019-01-13 23:16:04,506 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,508 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,513 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,526 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,528 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,530 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,531 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 247 [2019-01-13 23:16:04,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:04,639 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:79, output treesize:75 [2019-01-13 23:16:04,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 83 treesize of output 68 [2019-01-13 23:16:04,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,920 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,922 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,925 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,928 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,930 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,933 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,935 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,937 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,940 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,942 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,952 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,954 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,956 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,959 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,962 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,964 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:04,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 337 [2019-01-13 23:16:04,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:05,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:05,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:05,117 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-01-13 23:16:05,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 95 treesize of output 78 [2019-01-13 23:16:05,421 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,425 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,429 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,432 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,435 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,445 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,450 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,466 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,470 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,474 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,478 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,486 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,490 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,494 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,498 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,506 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:05,533 INFO L303 Elim1Store]: Index analysis took 118 ms [2019-01-13 23:16:05,534 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 441 [2019-01-13 23:16:05,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:05,638 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:05,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:05,699 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:101, output treesize:97 [2019-01-13 23:16:05,989 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 86 treesize of output 67 [2019-01-13 23:16:06,008 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,013 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,019 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,039 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,043 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,052 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,057 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,062 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,067 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,073 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,077 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,081 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,086 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,091 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,097 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,102 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,106 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,111 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,116 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,122 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,126 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,129 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,138 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,144 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,148 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,152 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,157 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,161 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,165 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,173 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,174 INFO L303 Elim1Store]: Index analysis took 182 ms [2019-01-13 23:16:06,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 370 [2019-01-13 23:16:06,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:06,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:06,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:06,363 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2019-01-13 23:16:06,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 93 treesize of output 72 [2019-01-13 23:16:06,732 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,733 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,734 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,736 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,738 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,740 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,741 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,743 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,744 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,746 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,748 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,749 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,751 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,752 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,754 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,756 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,757 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,759 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,760 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,762 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,763 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,765 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,766 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,768 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,770 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,771 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,776 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,778 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,779 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,781 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,783 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,784 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,786 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,788 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,790 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,791 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,793 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,794 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,798 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,803 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,804 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:06,805 INFO L303 Elim1Store]: Index analysis took 104 ms [2019-01-13 23:16:06,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 431 [2019-01-13 23:16:06,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:07,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:07,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:07,071 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-01-13 23:16:07,850 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 78 treesize of output 56 [2019-01-13 23:16:07,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 3 [2019-01-13 23:16:07,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:07,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:07,864 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:07,864 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:3 [2019-01-13 23:16:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:16:07,953 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:08,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:16:08,297 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:16:08,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:08,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:08,576 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 [2019-01-13 23:16:08,576 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:08,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:08,583 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:16:08,979 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 12 [2019-01-13 23:16:08,987 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 12 treesize of output 11 [2019-01-13 23:16:08,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:08,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-01-13 23:16:09,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 treesize of output 18 [2019-01-13 23:16:09,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,244 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 18 treesize of output 27 [2019-01-13 23:16:09,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,272 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:34 [2019-01-13 23:16:09,539 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 5 [2019-01-13 23:16:09,540 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,578 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 [2019-01-13 23:16:09,583 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,585 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,586 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,588 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2019-01-13 23:16:09,588 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,604 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,620 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:29 [2019-01-13 23:16:09,762 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:09,771 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,777 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:09,783 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:09,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:09,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:09,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:09,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:10,002 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,004 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,010 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,018 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:10,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,038 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:10,060 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:10,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:10,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,233 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,241 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:10,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,259 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:10,281 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:10,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:10,478 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,480 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,485 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:10,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,513 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,532 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:10,533 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:10,710 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:10,715 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,717 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,723 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:10,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:10,773 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:10,936 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:10,942 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,949 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:10,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:10,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:10,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:10,998 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:11,179 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 32 [2019-01-13 23:16:11,185 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:11,189 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:11,195 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:11,201 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 60 [2019-01-13 23:16:11,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:11,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:11,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:16:11,246 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-13 23:16:12,119 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 29 treesize of output 21 [2019-01-13 23:16:12,121 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 21 treesize of output 3 [2019-01-13 23:16:12,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:12,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:12,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:12,124 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2019-01-13 23:16:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-13 23:16:12,137 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:12,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:16:12,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 16] total 41 [2019-01-13 23:16:12,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-01-13 23:16:12,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-01-13 23:16:12,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1883, Unknown=0, NotChecked=0, Total=2070 [2019-01-13 23:16:12,336 INFO L87 Difference]: Start difference. First operand 141 states and 159 transitions. Second operand 42 states. [2019-01-13 23:16:18,198 WARN L181 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-01-13 23:16:19,097 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-01-13 23:16:19,369 WARN L181 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-01-13 23:16:20,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:20,533 INFO L93 Difference]: Finished difference Result 159 states and 172 transitions. [2019-01-13 23:16:20,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-01-13 23:16:20,534 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 66 [2019-01-13 23:16:20,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:20,536 INFO L225 Difference]: With dead ends: 159 [2019-01-13 23:16:20,536 INFO L226 Difference]: Without dead ends: 159 [2019-01-13 23:16:20,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 109 SyntacticMatches, 8 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2032 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=507, Invalid=5813, Unknown=0, NotChecked=0, Total=6320 [2019-01-13 23:16:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-01-13 23:16:20,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 139. [2019-01-13 23:16:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-01-13 23:16:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 156 transitions. [2019-01-13 23:16:20,545 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 156 transitions. Word has length 66 [2019-01-13 23:16:20,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:20,545 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 156 transitions. [2019-01-13 23:16:20,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-01-13 23:16:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 156 transitions. [2019-01-13 23:16:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:16:20,548 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:20,548 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:16:20,550 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:20,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:20,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1360031819, now seen corresponding path program 1 times [2019-01-13 23:16:20,551 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:20,551 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:20,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:20,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:20,918 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 [2019-01-13 23:16:20,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:20,931 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 [2019-01-13 23:16:20,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:20,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:20,941 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:16:22,248 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:16:22,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:22,260 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 14 treesize of output 17 [2019-01-13 23:16:22,261 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:22,294 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:22,296 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:22,297 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 11 treesize of output 4 [2019-01-13 23:16:22,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:22,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:22,317 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-13 23:16:22,410 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:22,413 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:22,414 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 13 treesize of output 4 [2019-01-13 23:16:22,415 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:22,445 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 14 treesize of output 17 [2019-01-13 23:16:22,445 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:22,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:22,471 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:16 [2019-01-13 23:16:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2019-01-13 23:16:22,515 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:22,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:16:22,968 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:16:22,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:23,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:23,078 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 [2019-01-13 23:16:23,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,092 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 [2019-01-13 23:16:23,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,102 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:16:23,149 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:23,174 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 14 treesize of output 17 [2019-01-13 23:16:23,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,200 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:23,202 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:23,203 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 11 treesize of output 4 [2019-01-13 23:16:23,203 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-13 23:16:23,272 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:23,274 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 14 treesize of output 17 [2019-01-13 23:16:23,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,300 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:23,302 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:23,303 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 13 treesize of output 4 [2019-01-13 23:16:23,303 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:23,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:16 [2019-01-13 23:16:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2019-01-13 23:16:23,334 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:23,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:16:23,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2019-01-13 23:16:23,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-13 23:16:23,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-13 23:16:23,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=175, Unknown=2, NotChecked=26, Total=240 [2019-01-13 23:16:23,596 INFO L87 Difference]: Start difference. First operand 139 states and 156 transitions. Second operand 14 states. [2019-01-13 23:16:25,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:25,327 INFO L93 Difference]: Finished difference Result 183 states and 206 transitions. [2019-01-13 23:16:25,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-13 23:16:25,329 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2019-01-13 23:16:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:25,330 INFO L225 Difference]: With dead ends: 183 [2019-01-13 23:16:25,331 INFO L226 Difference]: Without dead ends: 183 [2019-01-13 23:16:25,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=70, Invalid=394, Unknown=2, NotChecked=40, Total=506 [2019-01-13 23:16:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2019-01-13 23:16:25,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 145. [2019-01-13 23:16:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-01-13 23:16:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 165 transitions. [2019-01-13 23:16:25,338 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 165 transitions. Word has length 66 [2019-01-13 23:16:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:25,338 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 165 transitions. [2019-01-13 23:16:25,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-13 23:16:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 165 transitions. [2019-01-13 23:16:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:16:25,339 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:25,339 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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] [2019-01-13 23:16:25,340 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1685654633, now seen corresponding path program 1 times [2019-01-13 23:16:25,340 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:25,341 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:25,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:25,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:16:25,717 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:16:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-13 23:16:25,919 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:16:25,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-01-13 23:16:25,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:16:25,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:16:25,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:16:25,920 INFO L87 Difference]: Start difference. First operand 145 states and 165 transitions. Second operand 9 states. [2019-01-13 23:16:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:26,423 INFO L93 Difference]: Finished difference Result 168 states and 188 transitions. [2019-01-13 23:16:26,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:16:26,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-01-13 23:16:26,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:26,426 INFO L225 Difference]: With dead ends: 168 [2019-01-13 23:16:26,426 INFO L226 Difference]: Without dead ends: 165 [2019-01-13 23:16:26,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:16:26,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-01-13 23:16:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 145. [2019-01-13 23:16:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-01-13 23:16:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 164 transitions. [2019-01-13 23:16:26,433 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 164 transitions. Word has length 66 [2019-01-13 23:16:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:26,434 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 164 transitions. [2019-01-13 23:16:26,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:16:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 164 transitions. [2019-01-13 23:16:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-13 23:16:26,437 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:26,437 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2019-01-13 23:16:26,439 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:26,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:26,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1555890707, now seen corresponding path program 1 times [2019-01-13 23:16:26,439 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:26,439 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:26,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:16:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:16:28,187 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:16:28,247 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:16:28,249 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:16:28,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:16:28 BoogieIcfgContainer [2019-01-13 23:16:28,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:16:28,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:16:28,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:16:28,285 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:16:28,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:15:12" (3/4) ... [2019-01-13 23:16:28,296 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 23:16:28,322 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:16:28,323 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:16:28,392 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 23:16:28,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:16:28,394 INFO L168 Benchmark]: Toolchain (without parser) took 80218.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 391.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:28,395 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:16:28,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:28,395 INFO L168 Benchmark]: Boogie Preprocessor took 114.49 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:28,396 INFO L168 Benchmark]: RCFGBuilder took 2967.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.2 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:28,396 INFO L168 Benchmark]: TraceAbstraction took 76234.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.1 MB). Free memory was 994.2 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:28,396 INFO L168 Benchmark]: Witness Printer took 107.87 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:16:28,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 787.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.49 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2967.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.2 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 76234.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.1 MB). Free memory was 994.2 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 11.5 GB. * Witness Printer took 107.87 ms. Allocated memory is still 1.4 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.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: - CounterExampleResult [Line: 1460]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={1073741822:0}] [L1479] CALL entry_point() VAL [ldv_global_msg_list={1073741822:0}] [L1465] int i; [L1466] int len = 10; VAL [ldv_global_msg_list={1073741822:0}, len=10] [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [\old(size)=40, ldv_global_msg_list={1073741822:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1610612735:0}, ldv_global_msg_list={1073741822:0}, malloc(size)={1610612735:0}, size=40] [L1467] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [ldv_global_msg_list={1073741822:0}, ldv_malloc(sizeof(struct A17*)*len)={1610612735:0}, len=10] [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND TRUE \read(**array) [L1469] i=0 VAL [array={1610612735:0}, i=0, ldv_global_msg_list={1073741822:0}, len=10] [L1469] COND TRUE i=0) VAL [\old(len)=10, array={1610612735:0}, array={1610612735:0}, i=0, j=4294967295, ldv_global_msg_list={1073741822:0}, len=10, p={0:0}] [L1454] return - -3; VAL [\old(len)=10, \result=3, array={1610612735:0}, array={1610612735:0}, i=0, j=4294967295, ldv_global_msg_list={1073741822:0}, len=10, p={0:0}] [L1472] RET alloc_17(array, len) VAL [alloc_17(array, len)=3, array={1610612735:0}, i=10, ldv_global_msg_list={1073741822:0}, len=10] [L1473] CALL free_17(array, len) VAL [\old(len)=10, array={1610612735:0}, ldv_global_msg_list={1073741822:0}] [L1458] int i; [L1459] i=0 VAL [\old(len)=10, array={1610612735:0}, array={1610612735:0}, i=0, ldv_global_msg_list={1073741822:0}, len=10] [L1459] COND TRUE i