./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa 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_false-valid-memtrack.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 629d5a636c5f2810554fe722d7d0f8126d0f15df ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_false-valid-memtrack.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 629d5a636c5f2810554fe722d7d0f8126d0f15df ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 18:23:52,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:23:52,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:23:52,377 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:23:52,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:23:52,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:23:52,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:23:52,382 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:23:52,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:23:52,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:23:52,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:23:52,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:23:52,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:23:52,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:23:52,390 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:23:52,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:23:52,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:23:52,395 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:23:52,397 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:23:52,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:23:52,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:23:52,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:23:52,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:23:52,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:23:52,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:23:52,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:23:52,409 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:23:52,410 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:23:52,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:23:52,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:23:52,413 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:23:52,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:23:52,414 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:23:52,414 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:23:52,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:23:52,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:23:52,417 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:23:52,433 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:23:52,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:23:52,435 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:23:52,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:23:52,436 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:23:52,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:23:52,437 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:23:52,437 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:23:52,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:23:52,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:23:52,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:23:52,438 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:23:52,438 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:23:52,438 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:23:52,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:23:52,438 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:23:52,438 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:23:52,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:23:52,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:23:52,441 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:23:52,441 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:23:52,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:23:52,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:23:52,442 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:23:52,442 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:23:52,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:23:52,442 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 -> 629d5a636c5f2810554fe722d7d0f8126d0f15df [2019-01-01 18:23:52,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:23:52,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:23:52,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:23:52,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:23:52,508 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:23:52,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_false-valid-memtrack.i [2019-01-01 18:23:52,581 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8577e4d5b/f30b3e9944414d8da7b09251a2023371/FLAG8f0295b1e [2019-01-01 18:23:53,190 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:23:53,191 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_false-valid-memtrack.i [2019-01-01 18:23:53,210 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8577e4d5b/f30b3e9944414d8da7b09251a2023371/FLAG8f0295b1e [2019-01-01 18:23:53,425 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8577e4d5b/f30b3e9944414d8da7b09251a2023371 [2019-01-01 18:23:53,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:23:53,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:23:53,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:23:53,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:23:53,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:23:53,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:23:53" (1/1) ... [2019-01-01 18:23:53,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3802a007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:53, skipping insertion in model container [2019-01-01 18:23:53,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:23:53" (1/1) ... [2019-01-01 18:23:53,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:23:53,544 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:23:54,120 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:23:54,147 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:23:54,330 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:23:54,427 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:23:54,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54 WrapperNode [2019-01-01 18:23:54,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:23:54,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:23:54,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:23:54,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:23:54,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (1/1) ... [2019-01-01 18:23:54,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:23:54,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:23:54,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:23:54,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:23:54,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (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 [2019-01-01 18:23:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:23:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:23:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:23:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:23:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:23:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:23:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:23:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:23:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:23:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:23:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:23:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:23:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:23:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:23:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:23:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:23:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:23:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:23:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:23:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:23:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:23:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:23:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:23:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:23:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:23:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-01 18:23:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-01 18:23:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:23:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:23:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:23:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:23:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:23:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:23:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:23:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:23:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:23:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:23:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:23:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:23:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:23:55,513 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:23:56,451 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:23:57,473 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:23:57,474 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 18:23:57,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:23:57 BoogieIcfgContainer [2019-01-01 18:23:57,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:23:57,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:23:57,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:23:57,479 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:23:57,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:23:53" (1/3) ... [2019-01-01 18:23:57,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98b3edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:23:57, skipping insertion in model container [2019-01-01 18:23:57,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:23:54" (2/3) ... [2019-01-01 18:23:57,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98b3edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:23:57, skipping insertion in model container [2019-01-01 18:23:57,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:23:57" (3/3) ... [2019-01-01 18:23:57,482 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1_false-valid-memtrack.i [2019-01-01 18:23:57,491 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:23:57,500 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-01-01 18:23:57,518 INFO L257 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-01-01 18:23:57,546 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:23:57,547 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:23:57,547 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:23:57,548 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:23:57,548 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:23:57,548 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:23:57,548 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:23:57,548 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:23:57,548 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:23:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-01-01 18:23:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:23:57,582 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:57,583 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:57,587 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:23:57,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:57,594 INFO L82 PathProgramCache]: Analyzing trace with hash 688619389, now seen corresponding path program 1 times [2019-01-01 18:23:57,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:23:57,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:23:57,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:57,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:57,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:23:58,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:58,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:23:58,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:23:58,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:23:58,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:23:58,065 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 5 states. [2019-01-01 18:23:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:58,622 INFO L93 Difference]: Finished difference Result 81 states and 92 transitions. [2019-01-01 18:23:58,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:23:58,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-01 18:23:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:58,638 INFO L225 Difference]: With dead ends: 81 [2019-01-01 18:23:58,639 INFO L226 Difference]: Without dead ends: 78 [2019-01-01 18:23:58,641 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 [2019-01-01 18:23:58,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-01-01 18:23:58,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2019-01-01 18:23:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-01-01 18:23:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2019-01-01 18:23:58,689 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 16 [2019-01-01 18:23:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:58,690 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2019-01-01 18:23:58,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:23:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2019-01-01 18:23:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:23:58,693 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:58,693 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:58,694 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:23:58,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:58,694 INFO L82 PathProgramCache]: Analyzing trace with hash 688619390, now seen corresponding path program 1 times [2019-01-01 18:23:58,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:23:58,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:23:58,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:58,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:58,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:59,036 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2019-01-01 18:23:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:23:59,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:59,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:23:59,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:23:59,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:23:59,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:23:59,369 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 8 states. [2019-01-01 18:23:59,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:59,725 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2019-01-01 18:23:59,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:23:59,726 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-01-01 18:23:59,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:59,728 INFO L225 Difference]: With dead ends: 85 [2019-01-01 18:23:59,728 INFO L226 Difference]: Without dead ends: 85 [2019-01-01 18:23:59,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:23:59,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-01-01 18:23:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 76. [2019-01-01 18:23:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-01 18:23:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2019-01-01 18:23:59,745 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 16 [2019-01-01 18:23:59,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:59,746 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2019-01-01 18:23:59,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:23:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2019-01-01 18:23:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:23:59,748 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:59,748 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:59,749 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:23:59,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1576123070, now seen corresponding path program 1 times [2019-01-01 18:23:59,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:23:59,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:23:59,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:59,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:59,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:23:59,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:59,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:23:59,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:23:59,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:23:59,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:23:59,843 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 5 states. [2019-01-01 18:23:59,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:59,905 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2019-01-01 18:23:59,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:23:59,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-01 18:23:59,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:59,911 INFO L225 Difference]: With dead ends: 75 [2019-01-01 18:23:59,911 INFO L226 Difference]: Without dead ends: 75 [2019-01-01 18:23:59,913 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 [2019-01-01 18:23:59,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-01 18:23:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-01-01 18:23:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-01 18:23:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2019-01-01 18:23:59,922 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 16 [2019-01-01 18:23:59,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:59,922 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2019-01-01 18:23:59,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:23:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2019-01-01 18:23:59,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:23:59,923 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:59,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:59,924 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:23:59,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:59,924 INFO L82 PathProgramCache]: Analyzing trace with hash -127651667, now seen corresponding path program 1 times [2019-01-01 18:23:59,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:23:59,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:23:59,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:59,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:59,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:23:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:00,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:00,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:00,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:00,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:00,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:00,002 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 5 states. [2019-01-01 18:24:00,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:00,031 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2019-01-01 18:24:00,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:00,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-01 18:24:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:00,035 INFO L225 Difference]: With dead ends: 75 [2019-01-01 18:24:00,035 INFO L226 Difference]: Without dead ends: 75 [2019-01-01 18:24:00,036 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 [2019-01-01 18:24:00,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-01 18:24:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-01-01 18:24:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-01 18:24:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2019-01-01 18:24:00,044 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 17 [2019-01-01 18:24:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:00,044 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2019-01-01 18:24:00,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2019-01-01 18:24:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:24:00,045 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:00,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:00,046 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:00,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:00,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1615158668, now seen corresponding path program 1 times [2019-01-01 18:24:00,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:00,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:00,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:00,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:00,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:00,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:00,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 18:24:00,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 18:24:00,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 18:24:00,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:24:00,125 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand 3 states. [2019-01-01 18:24:00,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:00,302 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions. [2019-01-01 18:24:00,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 18:24:00,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-01 18:24:00,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:00,304 INFO L225 Difference]: With dead ends: 111 [2019-01-01 18:24:00,304 INFO L226 Difference]: Without dead ends: 106 [2019-01-01 18:24:00,306 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 [2019-01-01 18:24:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-01 18:24:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 71. [2019-01-01 18:24:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-01 18:24:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2019-01-01 18:24:00,320 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 17 [2019-01-01 18:24:00,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:00,320 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2019-01-01 18:24:00,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 18:24:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2019-01-01 18:24:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:24:00,321 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:00,321 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:00,322 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:00,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:00,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1896802094, now seen corresponding path program 1 times [2019-01-01 18:24:00,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:00,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:00,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:00,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:00,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:00,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:00,604 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 [2019-01-01 18:24:00,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:00,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:00,858 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 [2019-01-01 18:24:00,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:00,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:00,876 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-01 18:24:01,414 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-01-01 18:24:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:01,655 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:01,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-01-01 18:24:01,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-01 18:24:01,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-01 18:24:01,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-01-01 18:24:01,657 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand 14 states. [2019-01-01 18:24:02,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:02,476 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2019-01-01 18:24:02,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 18:24:02,477 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 19 [2019-01-01 18:24:02,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:02,478 INFO L225 Difference]: With dead ends: 76 [2019-01-01 18:24:02,478 INFO L226 Difference]: Without dead ends: 76 [2019-01-01 18:24:02,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2019-01-01 18:24:02,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-01 18:24:02,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2019-01-01 18:24:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-01 18:24:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2019-01-01 18:24:02,485 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 19 [2019-01-01 18:24:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:02,486 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2019-01-01 18:24:02,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-01 18:24:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2019-01-01 18:24:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 18:24:02,487 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:02,487 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] [2019-01-01 18:24:02,488 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:02,488 INFO L82 PathProgramCache]: Analyzing trace with hash -527287667, now seen corresponding path program 1 times [2019-01-01 18:24:02,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:02,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:02,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:02,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:02,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-01 18:24:02,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:02,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:24:02,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:24:02,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:24:02,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:24:02,658 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand 8 states. [2019-01-01 18:24:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:03,061 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2019-01-01 18:24:03,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:24:03,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-01-01 18:24:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:03,065 INFO L225 Difference]: With dead ends: 123 [2019-01-01 18:24:03,065 INFO L226 Difference]: Without dead ends: 123 [2019-01-01 18:24:03,065 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 [2019-01-01 18:24:03,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-01-01 18:24:03,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 94. [2019-01-01 18:24:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-01 18:24:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 111 transitions. [2019-01-01 18:24:03,087 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 111 transitions. Word has length 32 [2019-01-01 18:24:03,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:03,088 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 111 transitions. [2019-01-01 18:24:03,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:24:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2019-01-01 18:24:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 18:24:03,095 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:03,095 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] [2019-01-01 18:24:03,096 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:03,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:03,097 INFO L82 PathProgramCache]: Analyzing trace with hash -527287666, now seen corresponding path program 1 times [2019-01-01 18:24:03,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:03,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:03,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:03,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:03,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:03,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:03,247 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 [2019-01-01 18:24:03,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:03,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:03,383 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:03,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-01-01 18:24:03,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:24:03,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:24:03,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:24:03,384 INFO L87 Difference]: Start difference. First operand 94 states and 111 transitions. Second operand 9 states. [2019-01-01 18:24:03,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:03,441 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2019-01-01 18:24:03,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:24:03,443 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-01-01 18:24:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:03,445 INFO L225 Difference]: With dead ends: 99 [2019-01-01 18:24:03,445 INFO L226 Difference]: Without dead ends: 99 [2019-01-01 18:24:03,445 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 [2019-01-01 18:24:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-01-01 18:24:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-01-01 18:24:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-01-01 18:24:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2019-01-01 18:24:03,456 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 32 [2019-01-01 18:24:03,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:03,456 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2019-01-01 18:24:03,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:24:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2019-01-01 18:24:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-01 18:24:03,457 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:03,458 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] [2019-01-01 18:24:03,458 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:03,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:03,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1884274114, now seen corresponding path program 2 times [2019-01-01 18:24:03,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:03,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:03,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:03,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:03,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:03,585 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:03,585 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 [2019-01-01 18:24:03,605 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-01 18:24:03,652 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-01 18:24:03,652 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:24:03,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-01-01 18:24:03,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-01 18:24:03,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-01-01 18:24:03,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:24:03,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:24:03,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:24:03,746 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 9 states. [2019-01-01 18:24:03,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:03,933 INFO L93 Difference]: Finished difference Result 140 states and 165 transitions. [2019-01-01 18:24:03,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:24:03,941 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-01-01 18:24:03,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:03,942 INFO L225 Difference]: With dead ends: 140 [2019-01-01 18:24:03,943 INFO L226 Difference]: Without dead ends: 137 [2019-01-01 18:24:03,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:24:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-01-01 18:24:03,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 101. [2019-01-01 18:24:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-01 18:24:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2019-01-01 18:24:03,962 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 35 [2019-01-01 18:24:03,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:03,962 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2019-01-01 18:24:03,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:24:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2019-01-01 18:24:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-01 18:24:03,971 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:03,971 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] [2019-01-01 18:24:03,973 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:03,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:03,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1217773515, now seen corresponding path program 1 times [2019-01-01 18:24:03,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:03,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:03,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:03,979 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:24:03,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:04,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:04,148 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 [2019-01-01 18:24:04,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:04,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:04,441 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:04,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-01-01 18:24:04,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-01 18:24:04,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-01 18:24:04,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:24:04,443 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 13 states. [2019-01-01 18:24:04,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:04,530 INFO L93 Difference]: Finished difference Result 106 states and 123 transitions. [2019-01-01 18:24:04,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:24:04,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-01-01 18:24:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:04,534 INFO L225 Difference]: With dead ends: 106 [2019-01-01 18:24:04,534 INFO L226 Difference]: Without dead ends: 106 [2019-01-01 18:24:04,536 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 [2019-01-01 18:24:04,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-01 18:24:04,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2019-01-01 18:24:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-01 18:24:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2019-01-01 18:24:04,544 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 38 [2019-01-01 18:24:04,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:04,546 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2019-01-01 18:24:04,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-01 18:24:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2019-01-01 18:24:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-01 18:24:04,548 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:04,548 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] [2019-01-01 18:24:04,549 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:04,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:04,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1394295675, now seen corresponding path program 2 times [2019-01-01 18:24:04,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:04,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:04,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:04,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:04,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:04,803 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:04,803 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 [2019-01-01 18:24:04,816 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-01 18:24:04,859 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-01 18:24:04,859 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:24:04,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:05,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:05,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-01-01 18:24:05,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-01 18:24:05,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-01 18:24:05,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2019-01-01 18:24:05,018 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 15 states. [2019-01-01 18:24:05,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:05,237 INFO L93 Difference]: Finished difference Result 109 states and 126 transitions. [2019-01-01 18:24:05,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:24:05,238 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-01-01 18:24:05,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:05,245 INFO L225 Difference]: With dead ends: 109 [2019-01-01 18:24:05,245 INFO L226 Difference]: Without dead ends: 109 [2019-01-01 18:24:05,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2019-01-01 18:24:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-01 18:24:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2019-01-01 18:24:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-01 18:24:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2019-01-01 18:24:05,259 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 41 [2019-01-01 18:24:05,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:05,259 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2019-01-01 18:24:05,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-01 18:24:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2019-01-01 18:24:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-01-01 18:24:05,260 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:05,261 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] [2019-01-01 18:24:05,264 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:05,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1168973365, now seen corresponding path program 3 times [2019-01-01 18:24:05,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:05,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:05,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:05,270 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:24:05,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:05,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:05,458 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 [2019-01-01 18:24:05,476 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-01 18:24:05,520 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-01 18:24:05,520 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:24:05,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:05,544 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 [2019-01-01 18:24:05,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:05,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:05,571 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:24:06,018 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 [2019-01-01 18:24:06,025 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 [2019-01-01 18:24:06,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:06,031 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. [2019-01-01 18:24:06,031 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-01 18:24:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 2 not checked. [2019-01-01 18:24:06,066 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:06,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2019-01-01 18:24:06,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-01 18:24:06,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-01 18:24:06,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=190, Unknown=1, NotChecked=28, Total=272 [2019-01-01 18:24:06,070 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 17 states. [2019-01-01 18:24:06,812 WARN L181 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 18:24:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:07,826 INFO L93 Difference]: Finished difference Result 144 states and 162 transitions. [2019-01-01 18:24:07,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-01 18:24:07,827 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2019-01-01 18:24:07,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:07,830 INFO L225 Difference]: With dead ends: 144 [2019-01-01 18:24:07,830 INFO L226 Difference]: Without dead ends: 144 [2019-01-01 18:24:07,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=167, Invalid=705, Unknown=2, NotChecked=56, Total=930 [2019-01-01 18:24:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-01-01 18:24:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 108. [2019-01-01 18:24:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-01-01 18:24:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2019-01-01 18:24:07,840 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 44 [2019-01-01 18:24:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:07,841 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2019-01-01 18:24:07,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-01 18:24:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2019-01-01 18:24:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-01 18:24:07,843 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:07,843 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] [2019-01-01 18:24:07,843 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:07,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1001578876, now seen corresponding path program 1 times [2019-01-01 18:24:07,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:07,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:07,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:07,850 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:24:07,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:08,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:08,047 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 [2019-01-01 18:24:08,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:08,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:08,300 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:08,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2019-01-01 18:24:08,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-01-01 18:24:08,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-01-01 18:24:08,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2019-01-01 18:24:08,302 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 19 states. [2019-01-01 18:24:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:08,395 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2019-01-01 18:24:08,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 18:24:08,397 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 47 [2019-01-01 18:24:08,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:08,398 INFO L225 Difference]: With dead ends: 113 [2019-01-01 18:24:08,398 INFO L226 Difference]: Without dead ends: 113 [2019-01-01 18:24:08,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2019-01-01 18:24:08,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-01-01 18:24:08,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2019-01-01 18:24:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-01-01 18:24:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2019-01-01 18:24:08,404 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 47 [2019-01-01 18:24:08,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:08,405 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2019-01-01 18:24:08,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-01-01 18:24:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2019-01-01 18:24:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-01-01 18:24:08,406 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:08,406 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] [2019-01-01 18:24:08,411 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:08,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1104247860, now seen corresponding path program 2 times [2019-01-01 18:24:08,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:08,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:08,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:08,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:08,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:08,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:08,631 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 [2019-01-01 18:24:08,641 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-01 18:24:08,691 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-01 18:24:08,691 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:24:08,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:08,866 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:08,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2019-01-01 18:24:08,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-01 18:24:08,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-01 18:24:08,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=246, Unknown=0, NotChecked=0, Total=420 [2019-01-01 18:24:08,868 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand 21 states. [2019-01-01 18:24:08,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:08,986 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2019-01-01 18:24:08,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 18:24:08,988 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2019-01-01 18:24:08,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:08,989 INFO L225 Difference]: With dead ends: 116 [2019-01-01 18:24:08,989 INFO L226 Difference]: Without dead ends: 116 [2019-01-01 18:24:08,990 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 [2019-01-01 18:24:08,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-01-01 18:24:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-01-01 18:24:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-01-01 18:24:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2019-01-01 18:24:08,997 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 50 [2019-01-01 18:24:08,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:08,998 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2019-01-01 18:24:08,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-01 18:24:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2019-01-01 18:24:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-01-01 18:24:08,999 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:08,999 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] [2019-01-01 18:24:08,999 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:09,000 INFO L82 PathProgramCache]: Analyzing trace with hash 798752636, now seen corresponding path program 3 times [2019-01-01 18:24:09,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:09,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:09,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:09,001 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:24:09,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:09,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:09,850 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 [2019-01-01 18:24:09,861 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-01 18:24:09,910 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-01 18:24:09,910 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:24:09,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:10,091 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 [2019-01-01 18:24:10,092 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:10,104 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 [2019-01-01 18:24:10,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:10,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:10,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2019-01-01 18:24:10,427 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:10,452 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 [2019-01-01 18:24:10,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:10,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:10,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:10,519 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 [2019-01-01 18:24:10,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:10,529 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. [2019-01-01 18:24:10,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:33, output treesize:17 [2019-01-01 18:24:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-01-01 18:24:10,586 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:10,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2019-01-01 18:24:10,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-01 18:24:10,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-01 18:24:10,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-01-01 18:24:10,587 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 22 states. [2019-01-01 18:24:14,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:14,940 INFO L93 Difference]: Finished difference Result 227 states and 254 transitions. [2019-01-01 18:24:14,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-01-01 18:24:14,941 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 53 [2019-01-01 18:24:14,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:14,944 INFO L225 Difference]: With dead ends: 227 [2019-01-01 18:24:14,945 INFO L226 Difference]: Without dead ends: 227 [2019-01-01 18:24:14,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2019-01-01 18:24:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-01-01 18:24:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 124. [2019-01-01 18:24:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-01-01 18:24:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-01-01 18:24:14,956 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2019-01-01 18:24:14,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:14,956 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-01-01 18:24:14,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-01 18:24:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-01-01 18:24:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 18:24:14,960 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:14,960 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] [2019-01-01 18:24:14,961 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:14,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:14,962 INFO L82 PathProgramCache]: Analyzing trace with hash 867545240, now seen corresponding path program 1 times [2019-01-01 18:24:14,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:14,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:14,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:14,968 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:24:14,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-01 18:24:15,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:15,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:15,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:15,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:15,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:15,180 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 5 states. [2019-01-01 18:24:15,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:15,219 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2019-01-01 18:24:15,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:24:15,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-01 18:24:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:15,222 INFO L225 Difference]: With dead ends: 136 [2019-01-01 18:24:15,222 INFO L226 Difference]: Without dead ends: 136 [2019-01-01 18:24:15,223 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 [2019-01-01 18:24:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-01-01 18:24:15,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 126. [2019-01-01 18:24:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-01-01 18:24:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 145 transitions. [2019-01-01 18:24:15,230 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 145 transitions. Word has length 58 [2019-01-01 18:24:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:15,232 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 145 transitions. [2019-01-01 18:24:15,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2019-01-01 18:24:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 18:24:15,233 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:15,233 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] [2019-01-01 18:24:15,237 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:15,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1684611721, now seen corresponding path program 1 times [2019-01-01 18:24:15,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:15,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:15,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:15,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-01 18:24:15,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:15,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:24:15,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:24:15,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:24:15,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:15,330 INFO L87 Difference]: Start difference. First operand 126 states and 145 transitions. Second operand 4 states. [2019-01-01 18:24:15,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:15,378 INFO L93 Difference]: Finished difference Result 137 states and 156 transitions. [2019-01-01 18:24:15,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:15,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-01-01 18:24:15,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:15,382 INFO L225 Difference]: With dead ends: 137 [2019-01-01 18:24:15,382 INFO L226 Difference]: Without dead ends: 137 [2019-01-01 18:24:15,383 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 [2019-01-01 18:24:15,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-01-01 18:24:15,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 128. [2019-01-01 18:24:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-01-01 18:24:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2019-01-01 18:24:15,389 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 58 [2019-01-01 18:24:15,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:15,389 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2019-01-01 18:24:15,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:24:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2019-01-01 18:24:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-01 18:24:15,390 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:15,390 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] [2019-01-01 18:24:15,391 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:15,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:15,392 INFO L82 PathProgramCache]: Analyzing trace with hash -6885881, now seen corresponding path program 1 times [2019-01-01 18:24:15,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:15,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:15,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:15,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-01 18:24:15,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:15,667 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 [2019-01-01 18:24:15,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:15,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:16,135 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:16,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 23 [2019-01-01 18:24:16,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-01-01 18:24:16,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-01-01 18:24:16,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2019-01-01 18:24:16,136 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 24 states. [2019-01-01 18:24:18,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:18,127 INFO L93 Difference]: Finished difference Result 175 states and 195 transitions. [2019-01-01 18:24:18,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-01 18:24:18,128 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 65 [2019-01-01 18:24:18,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:18,131 INFO L225 Difference]: With dead ends: 175 [2019-01-01 18:24:18,131 INFO L226 Difference]: Without dead ends: 175 [2019-01-01 18:24:18,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2019-01-01 18:24:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-01-01 18:24:18,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 150. [2019-01-01 18:24:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-01-01 18:24:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 182 transitions. [2019-01-01 18:24:18,137 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 182 transitions. Word has length 65 [2019-01-01 18:24:18,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:18,137 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 182 transitions. [2019-01-01 18:24:18,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-01-01 18:24:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 182 transitions. [2019-01-01 18:24:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-01 18:24:18,141 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:18,141 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] [2019-01-01 18:24:18,141 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:18,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:18,142 INFO L82 PathProgramCache]: Analyzing trace with hash -235163855, now seen corresponding path program 1 times [2019-01-01 18:24:18,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:18,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:18,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:18,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:18,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-01 18:24:18,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:18,340 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 [2019-01-01 18:24:18,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:18,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-01 18:24:18,482 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:18,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-01-01 18:24:18,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-01 18:24:18,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-01 18:24:18,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-01-01 18:24:18,484 INFO L87 Difference]: Start difference. First operand 150 states and 182 transitions. Second operand 11 states. [2019-01-01 18:24:18,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:18,947 INFO L93 Difference]: Finished difference Result 250 states and 308 transitions. [2019-01-01 18:24:18,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-01 18:24:18,948 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2019-01-01 18:24:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:18,951 INFO L225 Difference]: With dead ends: 250 [2019-01-01 18:24:18,951 INFO L226 Difference]: Without dead ends: 244 [2019-01-01 18:24:18,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2019-01-01 18:24:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-01-01 18:24:18,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 152. [2019-01-01 18:24:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-01-01 18:24:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 184 transitions. [2019-01-01 18:24:18,958 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 184 transitions. Word has length 66 [2019-01-01 18:24:18,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:18,959 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 184 transitions. [2019-01-01 18:24:18,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-01 18:24:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2019-01-01 18:24:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-01 18:24:18,960 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:18,960 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] [2019-01-01 18:24:18,961 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash 322998896, now seen corresponding path program 1 times [2019-01-01 18:24:18,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:18,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:18,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:18,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:18,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:19,783 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-01 18:24:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-01 18:24:19,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:19,954 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 [2019-01-01 18:24:19,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:20,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:20,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:20,521 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 [2019-01-01 18:24:20,521 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:20,542 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:20,544 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:20,545 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 [2019-01-01 18:24:20,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:20,559 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. [2019-01-01 18:24:20,560 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:20 [2019-01-01 18:24:20,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:20,729 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 [2019-01-01 18:24:20,729 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:20,751 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:20,752 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:20,753 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 [2019-01-01 18:24:20,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:20,765 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. [2019-01-01 18:24:20,765 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:20 [2019-01-01 18:24:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:20,849 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:20,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2019-01-01 18:24:20,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-01-01 18:24:20,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-01-01 18:24:20,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=945, Unknown=0, NotChecked=0, Total=1056 [2019-01-01 18:24:20,851 INFO L87 Difference]: Start difference. First operand 152 states and 184 transitions. Second operand 33 states. [2019-01-01 18:24:27,799 WARN L181 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-01-01 18:24:28,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:28,071 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2019-01-01 18:24:28,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-01-01 18:24:28,074 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 66 [2019-01-01 18:24:28,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:28,076 INFO L225 Difference]: With dead ends: 308 [2019-01-01 18:24:28,076 INFO L226 Difference]: Without dead ends: 308 [2019-01-01 18:24:28,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556 [2019-01-01 18:24:28,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-01-01 18:24:28,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 154. [2019-01-01 18:24:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-01-01 18:24:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 186 transitions. [2019-01-01 18:24:28,086 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 186 transitions. Word has length 66 [2019-01-01 18:24:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:28,086 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 186 transitions. [2019-01-01 18:24:28,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-01-01 18:24:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 186 transitions. [2019-01-01 18:24:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-01 18:24:28,091 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:28,091 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] [2019-01-01 18:24:28,092 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:24:28,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:28,092 INFO L82 PathProgramCache]: Analyzing trace with hash -213461981, now seen corresponding path program 1 times [2019-01-01 18:24:28,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:28,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:28,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:28,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:28,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:28,600 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2019-01-01 18:24:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 85 proven. 62 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:24:29,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:29,394 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 [2019-01-01 18:24:29,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:29,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:29,485 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 [2019-01-01 18:24:29,489 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 [2019-01-01 18:24:29,489 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:22 [2019-01-01 18:24:29,534 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 [2019-01-01 18:24:29,562 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,563 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 [2019-01-01 18:24:29,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,575 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-01-01 18:24:29,722 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 [2019-01-01 18:24:29,726 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,729 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,731 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 [2019-01-01 18:24:29,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-01-01 18:24:29,914 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 [2019-01-01 18:24:29,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,952 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,954 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,956 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 [2019-01-01 18:24:29,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,996 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. [2019-01-01 18:24:29,997 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:62 [2019-01-01 18:24:30,200 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 [2019-01-01 18:24:30,203 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,204 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,205 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,207 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,209 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:30,222 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 [2019-01-01 18:24:30,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:30,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:30,281 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. [2019-01-01 18:24:30,281 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:82, output treesize:78 [2019-01-01 18:24:32,441 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 [2019-01-01 18:24:32,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,458 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,459 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,462 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,466 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,469 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,470 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,471 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,472 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:32,474 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 [2019-01-01 18:24:32,474 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:32,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:32,979 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. [2019-01-01 18:24:32,980 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:94 [2019-01-01 18:24:33,882 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 [2019-01-01 18:24:33,886 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,888 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,889 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,891 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,892 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,893 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,896 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,898 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,900 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,905 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,906 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,908 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,910 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:33,914 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 [2019-01-01 18:24:33,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:33,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:34,026 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. [2019-01-01 18:24:34,026 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:114, output treesize:110 [2019-01-01 18:24:38,709 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 [2019-01-01 18:24:38,716 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,720 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,723 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,725 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,726 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,730 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,731 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,732 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,733 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,734 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,736 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,738 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,739 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,741 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,767 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,768 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,770 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,771 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,772 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,775 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:38,777 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 [2019-01-01 18:24:38,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:38,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:38,925 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. [2019-01-01 18:24:38,925 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:130, output treesize:126 [2019-01-01 18:24:42,782 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 [2019-01-01 18:24:42,822 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:42,846 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:42,875 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:42,897 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:42,923 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:42,949 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:42,975 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,006 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,028 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,045 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,067 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,092 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,119 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,149 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,170 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,196 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,221 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,274 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,279 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,281 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,292 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,294 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,296 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,298 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,300 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,302 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,305 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,307 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,309 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,313 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:43,313 INFO L303 Elim1Store]: Index analysis took 527 ms [2019-01-01 18:24:43,315 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 [2019-01-01 18:24:43,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:43,480 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:43,528 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. [2019-01-01 18:24:43,528 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:146, output treesize:142 [2019-01-01 18:25:00,413 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 [2019-01-01 18:25:00,444 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,475 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,477 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,478 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,480 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,481 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,483 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,484 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,485 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,486 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,489 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,491 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,493 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,495 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,497 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,498 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,499 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,501 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,503 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,505 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,507 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,508 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,513 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,514 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,523 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,526 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,528 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,530 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,531 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,534 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,536 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,538 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:25:00,539 INFO L303 Elim1Store]: Index analysis took 123 ms [2019-01-01 18:25:00,543 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 [2019-01-01 18:25:00,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:00,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:00,816 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. [2019-01-01 18:25:00,817 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:162, output treesize:158 [2019-01-01 18:25:24,016 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-01 18:25:24,217 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 18:25:24,219 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 [2019-01-01 18:25:24,225 INFO L168 Benchmark]: Toolchain (without parser) took 90794.13 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.5 MB). Free memory was 946.0 MB in the beginning and 759.8 MB in the end (delta: 186.2 MB). Peak memory consumption was 521.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:25:24,228 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:25:24,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -126.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:25:24,233 INFO L168 Benchmark]: Boogie Preprocessor took 116.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-01 18:25:24,234 INFO L168 Benchmark]: RCFGBuilder took 2929.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-01-01 18:25:24,234 INFO L168 Benchmark]: TraceAbstraction took 86748.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 948.0 MB in the beginning and 759.8 MB in the end (delta: 188.2 MB). Peak memory consumption was 424.2 MB. Max. memory is 11.5 GB. [2019-01-01 18:25:24,237 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 994.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -126.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2929.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 86748.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 948.0 MB in the beginning and 759.8 MB in the end (delta: 188.2 MB). Peak memory consumption was 424.2 MB. 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 0.1.24-2e94e6a [2019-01-01 18:25:26,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:25:26,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:25:26,497 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:25:26,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:25:26,500 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:25:26,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:25:26,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:25:26,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:25:26,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:25:26,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:25:26,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:25:26,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:25:26,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:25:26,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:25:26,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:25:26,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:25:26,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:25:26,531 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:25:26,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:25:26,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:25:26,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:25:26,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:25:26,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:25:26,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:25:26,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:25:26,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:25:26,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:25:26,549 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:25:26,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:25:26,550 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:25:26,551 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:25:26,551 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:25:26,551 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:25:26,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:25:26,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:25:26,553 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 18:25:26,575 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:25:26,575 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:25:26,576 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:25:26,576 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:25:26,576 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:25:26,578 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:25:26,578 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:25:26,579 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:25:26,579 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:25:26,579 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:25:26,579 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:25:26,579 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:25:26,580 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:25:26,580 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:25:26,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:25:26,581 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 18:25:26,581 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 18:25:26,581 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:25:26,581 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:25:26,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:25:26,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:25:26,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:25:26,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:25:26,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:25:26,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:25:26,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:25:26,584 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 18:25:26,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:25:26,585 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 18:25:26,586 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 -> 629d5a636c5f2810554fe722d7d0f8126d0f15df [2019-01-01 18:25:26,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:25:26,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:25:26,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:25:26,647 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:25:26,647 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:25:26,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_false-valid-memtrack.i [2019-01-01 18:25:26,716 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913ad9521/5e5b088d98ed458b87f7447cf3789018/FLAGd57c607e3 [2019-01-01 18:25:27,257 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:25:27,260 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_false-valid-memtrack.i [2019-01-01 18:25:27,292 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913ad9521/5e5b088d98ed458b87f7447cf3789018/FLAGd57c607e3 [2019-01-01 18:25:27,502 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913ad9521/5e5b088d98ed458b87f7447cf3789018 [2019-01-01 18:25:27,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:25:27,506 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:25:27,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:25:27,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:25:27,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:25:27,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:25:27" (1/1) ... [2019-01-01 18:25:27,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727fb927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:27, skipping insertion in model container [2019-01-01 18:25:27,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:25:27" (1/1) ... [2019-01-01 18:25:27,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:25:27,584 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:25:28,027 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:25:28,125 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:25:28,241 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:25:28,325 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:25:28,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28 WrapperNode [2019-01-01 18:25:28,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:25:28,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:25:28,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:25:28,327 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:25:28,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (1/1) ... [2019-01-01 18:25:28,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:25:28,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:25:28,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:25:28,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:25:28,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (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 [2019-01-01 18:25:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:25:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:25:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:25:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:25:28,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:25:28,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:25:28,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:25:28,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:25:28,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:25:28,510 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:25:28,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:25:28,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:25:28,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:25:28,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:25:28,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:25:28,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:25:28,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:25:28,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:25:28,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:25:28,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:25:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:25:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:25:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:25:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:25:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:25:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:25:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:25:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:25:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:25:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:25:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:25:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:25:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:25:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:25:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:25:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:25:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:25:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:25:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-01 18:25:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-01 18:25:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:25:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:25:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:25:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:25:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:25:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:25:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:25:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:25:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:25:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:25:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:25:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:25:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:25:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:25:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:25:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:25:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:25:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:25:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:25:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:25:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:25:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:25:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:25:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:25:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:25:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:25:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:25:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:25:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:25:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:25:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:25:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:25:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:25:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:25:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:25:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:25:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:25:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:25:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:25:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:25:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:25:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:25:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:25:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:25:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:25:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:25:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:25:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:25:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:25:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:25:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:25:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:25:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:25:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:25:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:25:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:25:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:25:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:25:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:25:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:25:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:25:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:25:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:25:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:25:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:25:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:25:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:25:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:25:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:25:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:25:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:25:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:25:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:25:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:25:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:25:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 18:25:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 18:25:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:25:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:25:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:25:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:25:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:25:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:25:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:25:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:25:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:25:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-01 18:25:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-01 18:25:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:25:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:25:29,261 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:25:30,227 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:25:31,710 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:25:31,711 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 18:25:31,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:25:31 BoogieIcfgContainer [2019-01-01 18:25:31,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:25:31,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:25:31,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:25:31,723 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:25:31,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:25:27" (1/3) ... [2019-01-01 18:25:31,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b3ed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:25:31, skipping insertion in model container [2019-01-01 18:25:31,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:25:28" (2/3) ... [2019-01-01 18:25:31,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b3ed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:25:31, skipping insertion in model container [2019-01-01 18:25:31,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:25:31" (3/3) ... [2019-01-01 18:25:31,727 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1_false-valid-memtrack.i [2019-01-01 18:25:31,740 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:25:31,755 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-01-01 18:25:31,777 INFO L257 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-01-01 18:25:31,804 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:25:31,805 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:25:31,805 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:25:31,805 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:25:31,805 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:25:31,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:25:31,806 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:25:31,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:25:31,807 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:25:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-01-01 18:25:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:25:31,837 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:31,838 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:31,840 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:31,847 INFO L82 PathProgramCache]: Analyzing trace with hash 868471580, now seen corresponding path program 1 times [2019-01-01 18:25:31,852 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:31,853 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 [2019-01-01 18:25:31,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:25:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:31,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:32,013 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 [2019-01-01 18:25:32,016 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:32,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:32,048 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:25:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:32,114 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:25:32,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:25:32,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:25:32,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:25:32,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:25:32,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:25:32,152 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 5 states. [2019-01-01 18:25:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:32,825 INFO L93 Difference]: Finished difference Result 81 states and 92 transitions. [2019-01-01 18:25:32,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:25:32,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-01 18:25:32,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:32,841 INFO L225 Difference]: With dead ends: 81 [2019-01-01 18:25:32,841 INFO L226 Difference]: Without dead ends: 78 [2019-01-01 18:25:32,844 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 [2019-01-01 18:25:32,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-01-01 18:25:32,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2019-01-01 18:25:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-01-01 18:25:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2019-01-01 18:25:32,898 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 16 [2019-01-01 18:25:32,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:32,899 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2019-01-01 18:25:32,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:25:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2019-01-01 18:25:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:25:32,902 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:32,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:32,903 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:32,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:32,903 INFO L82 PathProgramCache]: Analyzing trace with hash 868471581, now seen corresponding path program 1 times [2019-01-01 18:25:32,906 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:32,906 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 [2019-01-01 18:25:32,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:25:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:33,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:33,160 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 [2019-01-01 18:25:33,160 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:33,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:33,173 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:25:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:33,429 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:25:33,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:25:33,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:25:33,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:25:33,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:25:33,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:25:33,438 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 8 states. [2019-01-01 18:25:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:34,755 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2019-01-01 18:25:34,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:25:34,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-01-01 18:25:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:34,759 INFO L225 Difference]: With dead ends: 84 [2019-01-01 18:25:34,759 INFO L226 Difference]: Without dead ends: 84 [2019-01-01 18:25:34,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-01 18:25:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-01-01 18:25:34,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2019-01-01 18:25:34,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-01 18:25:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2019-01-01 18:25:34,774 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 16 [2019-01-01 18:25:34,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:34,775 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2019-01-01 18:25:34,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:25:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2019-01-01 18:25:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:25:34,777 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:34,777 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:34,778 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:34,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:34,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1755975261, now seen corresponding path program 1 times [2019-01-01 18:25:34,780 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:34,781 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 [2019-01-01 18:25:34,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:25:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:34,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:34,894 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:25:34,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:25:34,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:25:34,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:25:34,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:25:34,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:25:34,898 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand 5 states. [2019-01-01 18:25:34,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:34,946 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2019-01-01 18:25:34,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:25:34,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-01 18:25:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:34,950 INFO L225 Difference]: With dead ends: 75 [2019-01-01 18:25:34,950 INFO L226 Difference]: Without dead ends: 75 [2019-01-01 18:25:34,951 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 [2019-01-01 18:25:34,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-01 18:25:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-01-01 18:25:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-01 18:25:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2019-01-01 18:25:34,961 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 16 [2019-01-01 18:25:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:34,961 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2019-01-01 18:25:34,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:25:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2019-01-01 18:25:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:25:34,962 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:34,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:34,964 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:34,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:34,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1152798958, now seen corresponding path program 1 times [2019-01-01 18:25:34,965 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:34,965 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 [2019-01-01 18:25:34,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:25:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:35,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:35,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:25:35,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:25:35,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:25:35,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:25:35,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:25:35,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:25:35,154 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand 5 states. [2019-01-01 18:25:35,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:35,207 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2019-01-01 18:25:35,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:25:35,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-01 18:25:35,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:35,212 INFO L225 Difference]: With dead ends: 75 [2019-01-01 18:25:35,212 INFO L226 Difference]: Without dead ends: 75 [2019-01-01 18:25:35,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:25:35,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-01 18:25:35,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-01-01 18:25:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-01 18:25:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2019-01-01 18:25:35,222 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 17 [2019-01-01 18:25:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:35,222 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2019-01-01 18:25:35,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:25:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2019-01-01 18:25:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:25:35,223 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:35,224 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:35,224 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:35,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1399358003, now seen corresponding path program 1 times [2019-01-01 18:25:35,227 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:35,227 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 [2019-01-01 18:25:35,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:25:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:35,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:35,295 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:25:35,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:25:35,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 18:25:35,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 18:25:35,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 18:25:35,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:25:35,304 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand 3 states. [2019-01-01 18:25:35,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:35,618 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2019-01-01 18:25:35,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 18:25:35,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-01 18:25:35,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:35,622 INFO L225 Difference]: With dead ends: 111 [2019-01-01 18:25:35,622 INFO L226 Difference]: Without dead ends: 106 [2019-01-01 18:25:35,623 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 [2019-01-01 18:25:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-01 18:25:35,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 71. [2019-01-01 18:25:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-01 18:25:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2019-01-01 18:25:35,636 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 17 [2019-01-01 18:25:35,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:35,636 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2019-01-01 18:25:35,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 18:25:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2019-01-01 18:25:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:25:35,637 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:35,638 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:35,640 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:35,640 INFO L82 PathProgramCache]: Analyzing trace with hash -245762226, now seen corresponding path program 1 times [2019-01-01 18:25:35,640 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:35,643 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 [2019-01-01 18:25:35,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:25:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:35,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:35,768 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 [2019-01-01 18:25:35,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:35,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:35,781 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:25:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:36,005 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:25:37,421 WARN L181 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-01-01 18:25:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:37,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:25:37,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2019-01-01 18:25:37,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-01 18:25:37,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-01 18:25:37,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-01-01 18:25:37,763 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand 17 states. [2019-01-01 18:25:39,317 WARN L181 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-01-01 18:25:39,733 WARN L181 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-01 18:25:40,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:40,351 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2019-01-01 18:25:40,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-01 18:25:40,353 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 19 [2019-01-01 18:25:40,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:40,354 INFO L225 Difference]: With dead ends: 84 [2019-01-01 18:25:40,354 INFO L226 Difference]: Without dead ends: 84 [2019-01-01 18:25:40,355 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 [2019-01-01 18:25:40,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-01-01 18:25:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-01-01 18:25:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-01 18:25:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2019-01-01 18:25:40,362 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 19 [2019-01-01 18:25:40,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:40,362 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2019-01-01 18:25:40,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-01 18:25:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2019-01-01 18:25:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-01 18:25:40,364 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:40,364 INFO L402 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:40,364 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:40,366 INFO L82 PathProgramCache]: Analyzing trace with hash -887810083, now seen corresponding path program 2 times [2019-01-01 18:25:40,366 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:40,366 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 [2019-01-01 18:25:40,387 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-01 18:25:40,513 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-01 18:25:40,513 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:25:40,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:40,537 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 [2019-01-01 18:25:40,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:40,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:40,553 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:25:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:40,742 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:25:42,051 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-01 18:25:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:42,637 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:25:42,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-01-01 18:25:42,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-01 18:25:42,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-01 18:25:42,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2019-01-01 18:25:42,639 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 22 states. [2019-01-01 18:25:44,103 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2019-01-01 18:25:44,620 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2019-01-01 18:25:45,089 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2019-01-01 18:25:45,484 WARN L181 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-01-01 18:25:46,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:46,789 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions. [2019-01-01 18:25:46,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-01 18:25:46,790 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 28 [2019-01-01 18:25:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:46,792 INFO L225 Difference]: With dead ends: 105 [2019-01-01 18:25:46,792 INFO L226 Difference]: Without dead ends: 105 [2019-01-01 18:25:46,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=261, Invalid=1071, Unknown=0, NotChecked=0, Total=1332 [2019-01-01 18:25:46,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-01-01 18:25:46,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 98. [2019-01-01 18:25:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-01-01 18:25:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2019-01-01 18:25:46,802 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 28 [2019-01-01 18:25:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:46,802 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2019-01-01 18:25:46,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-01 18:25:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2019-01-01 18:25:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-01 18:25:46,805 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:46,805 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2019-01-01 18:25:46,806 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:46,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:46,806 INFO L82 PathProgramCache]: Analyzing trace with hash -270919875, now seen corresponding path program 1 times [2019-01-01 18:25:46,807 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:46,807 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 [2019-01-01 18:25:46,825 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:25:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:25:46,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:47,070 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:25:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:47,328 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:25:47,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-01-01 18:25:47,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-01 18:25:47,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-01 18:25:47,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-01-01 18:25:47,331 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand 16 states. [2019-01-01 18:25:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:25:48,030 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2019-01-01 18:25:48,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-01 18:25:48,032 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2019-01-01 18:25:48,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:25:48,035 INFO L225 Difference]: With dead ends: 98 [2019-01-01 18:25:48,036 INFO L226 Difference]: Without dead ends: 98 [2019-01-01 18:25:48,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2019-01-01 18:25:48,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-01-01 18:25:48,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-01-01 18:25:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-01-01 18:25:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2019-01-01 18:25:48,051 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 41 [2019-01-01 18:25:48,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:25:48,051 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2019-01-01 18:25:48,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-01 18:25:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2019-01-01 18:25:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-01 18:25:48,053 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:25:48,055 INFO L402 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:25:48,055 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:25:48,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:25:48,058 INFO L82 PathProgramCache]: Analyzing trace with hash -2042371331, now seen corresponding path program 3 times [2019-01-01 18:25:48,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:25:48,059 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 [2019-01-01 18:25:48,094 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2019-01-01 18:25:48,592 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-01-01 18:25:48,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:25:48,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:25:48,629 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 [2019-01-01 18:25:48,629 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:48,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:48,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:25:49,542 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 17 treesize of output 9 [2019-01-01 18:25:49,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:25:49,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:25:49,575 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:7 [2019-01-01 18:25:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:49,629 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:25:50,896 WARN L181 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-01-01 18:25:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:25:56,156 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:25:56,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24] total 41 [2019-01-01 18:25:56,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-01-01 18:25:56,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-01-01 18:25:56,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1374, Unknown=0, NotChecked=0, Total=1640 [2019-01-01 18:25:56,160 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand 41 states. [2019-01-01 18:26:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:01,407 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2019-01-01 18:26:01,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-01 18:26:01,409 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 46 [2019-01-01 18:26:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:01,410 INFO L225 Difference]: With dead ends: 98 [2019-01-01 18:26:01,410 INFO L226 Difference]: Without dead ends: 98 [2019-01-01 18:26:01,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 46 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=309, Invalid=1671, Unknown=0, NotChecked=0, Total=1980 [2019-01-01 18:26:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-01-01 18:26:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2019-01-01 18:26:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-01-01 18:26:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2019-01-01 18:26:01,418 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 46 [2019-01-01 18:26:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:01,418 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2019-01-01 18:26:01,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-01-01 18:26:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2019-01-01 18:26:01,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-01 18:26:01,422 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:01,422 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] [2019-01-01 18:26:01,423 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:01,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:01,423 INFO L82 PathProgramCache]: Analyzing trace with hash 163315948, now seen corresponding path program 2 times [2019-01-01 18:26:01,424 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:01,426 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 [2019-01-01 18:26:01,455 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-01 18:26:01,529 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-01 18:26:01,530 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-01 18:26:01,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-01 18:26:01,579 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:26:01,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:01,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:01,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:01,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:01,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:01,607 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 5 states. [2019-01-01 18:26:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:01,723 INFO L93 Difference]: Finished difference Result 125 states and 134 transitions. [2019-01-01 18:26:01,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:01,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-01-01 18:26:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:01,725 INFO L225 Difference]: With dead ends: 125 [2019-01-01 18:26:01,725 INFO L226 Difference]: Without dead ends: 122 [2019-01-01 18:26:01,726 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 [2019-01-01 18:26:01,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-01-01 18:26:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2019-01-01 18:26:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-01-01 18:26:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2019-01-01 18:26:01,732 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 56 [2019-01-01 18:26:01,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:01,732 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2019-01-01 18:26:01,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2019-01-01 18:26:01,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-01 18:26:01,735 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:01,735 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] [2019-01-01 18:26:01,736 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:01,736 INFO L82 PathProgramCache]: Analyzing trace with hash -991777972, now seen corresponding path program 1 times [2019-01-01 18:26:01,737 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:01,737 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 [2019-01-01 18:26:01,764 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 18:26:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:02,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:02,104 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 [2019-01-01 18:26:02,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:02,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:02,131 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:26:02,883 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 [2019-01-01 18:26:02,891 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 [2019-01-01 18:26:02,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:02,898 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. [2019-01-01 18:26:02,899 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-01 18:26:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-01 18:26:02,915 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-01-01 18:26:03,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-01 18:26:03,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2019-01-01 18:26:03,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 18:26:03,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 18:26:03,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=7, NotChecked=14, Total=90 [2019-01-01 18:26:03,076 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 10 states. [2019-01-01 18:26:04,462 WARN L181 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 22 DAG size of output: 13 [2019-01-01 18:26:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:05,433 INFO L93 Difference]: Finished difference Result 151 states and 169 transitions. [2019-01-01 18:26:05,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:26:05,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-01-01 18:26:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:05,436 INFO L225 Difference]: With dead ends: 151 [2019-01-01 18:26:05,436 INFO L226 Difference]: Without dead ends: 151 [2019-01-01 18:26:05,437 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 101 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=153, Unknown=13, NotChecked=26, Total=240 [2019-01-01 18:26:05,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-01-01 18:26:05,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 95. [2019-01-01 18:26:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-01 18:26:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2019-01-01 18:26:05,444 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 56 [2019-01-01 18:26:05,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:05,444 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2019-01-01 18:26:05,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 18:26:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2019-01-01 18:26:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-01 18:26:05,445 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:05,446 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] [2019-01-01 18:26:05,448 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:05,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:05,448 INFO L82 PathProgramCache]: Analyzing trace with hash -991777971, now seen corresponding path program 1 times [2019-01-01 18:26:05,448 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:05,449 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 [2019-01-01 18:26:05,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:05,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:05,822 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 [2019-01-01 18:26:05,823 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:05,835 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 [2019-01-01 18:26:05,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:05,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:05,847 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:26:07,499 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 [2019-01-01 18:26:07,506 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:07,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:07,510 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 [2019-01-01 18:26:07,510 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:07,535 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 [2019-01-01 18:26:07,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:07,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:07,557 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-01 18:26:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-01 18:26:07,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:07,992 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-01 18:26:08,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:26:08,253 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 [2019-01-01 18:26:08,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:08,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:08,348 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 [2019-01-01 18:26:08,349 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:08,365 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 [2019-01-01 18:26:08,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:08,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:08,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:26:08,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:08,410 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:08,411 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 [2019-01-01 18:26:08,411 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:08,437 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 [2019-01-01 18:26:08,437 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:08,455 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:08,456 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-01 18:26:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-01 18:26:08,466 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:08,928 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:26:08,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2019-01-01 18:26:08,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-01 18:26:08,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-01 18:26:08,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=130, Unknown=1, NotChecked=22, Total=182 [2019-01-01 18:26:08,929 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand 12 states. [2019-01-01 18:26:10,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:10,802 INFO L93 Difference]: Finished difference Result 177 states and 197 transitions. [2019-01-01 18:26:10,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-01 18:26:10,803 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2019-01-01 18:26:10,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:10,806 INFO L225 Difference]: With dead ends: 177 [2019-01-01 18:26:10,806 INFO L226 Difference]: Without dead ends: 177 [2019-01-01 18:26:10,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=62, Invalid=321, Unknown=1, NotChecked=36, Total=420 [2019-01-01 18:26:10,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-01-01 18:26:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 99. [2019-01-01 18:26:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-01-01 18:26:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2019-01-01 18:26:10,813 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 56 [2019-01-01 18:26:10,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:10,815 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2019-01-01 18:26:10,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-01 18:26:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2019-01-01 18:26:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 18:26:10,817 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:10,817 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] [2019-01-01 18:26:10,817 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:10,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:10,818 INFO L82 PathProgramCache]: Analyzing trace with hash 384063961, now seen corresponding path program 1 times [2019-01-01 18:26:10,818 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:10,818 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 [2019-01-01 18:26:10,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:10,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-01 18:26:10,976 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (15)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:26:10,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:10,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:10,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:10,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:10,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:10,979 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand 5 states. [2019-01-01 18:26:11,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:11,045 INFO L93 Difference]: Finished difference Result 114 states and 125 transitions. [2019-01-01 18:26:11,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:26:11,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-01 18:26:11,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:11,048 INFO L225 Difference]: With dead ends: 114 [2019-01-01 18:26:11,049 INFO L226 Difference]: Without dead ends: 114 [2019-01-01 18:26:11,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:26:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-01-01 18:26:11,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2019-01-01 18:26:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-01 18:26:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 111 transitions. [2019-01-01 18:26:11,055 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 111 transitions. Word has length 58 [2019-01-01 18:26:11,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:11,056 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 111 transitions. [2019-01-01 18:26:11,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2019-01-01 18:26:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 18:26:11,059 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:11,059 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] [2019-01-01 18:26:11,059 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:11,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:11,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2126874296, now seen corresponding path program 1 times [2019-01-01 18:26:11,060 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:11,060 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 [2019-01-01 18:26:11,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:11,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-01 18:26:11,337 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:26:11,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:11,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:11,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:26:11,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:26:11,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:26:11,342 INFO L87 Difference]: Start difference. First operand 103 states and 111 transitions. Second operand 4 states. [2019-01-01 18:26:11,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:11,458 INFO L93 Difference]: Finished difference Result 109 states and 117 transitions. [2019-01-01 18:26:11,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:26:11,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-01-01 18:26:11,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:11,460 INFO L225 Difference]: With dead ends: 109 [2019-01-01 18:26:11,461 INFO L226 Difference]: Without dead ends: 109 [2019-01-01 18:26:11,461 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 [2019-01-01 18:26:11,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-01 18:26:11,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2019-01-01 18:26:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-01-01 18:26:11,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2019-01-01 18:26:11,466 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 58 [2019-01-01 18:26:11,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:11,466 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2019-01-01 18:26:11,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:26:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2019-01-01 18:26:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-01 18:26:11,467 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:11,468 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] [2019-01-01 18:26:11,470 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:11,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:11,471 INFO L82 PathProgramCache]: Analyzing trace with hash -776920763, now seen corresponding path program 1 times [2019-01-01 18:26:11,471 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:11,471 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 [2019-01-01 18:26:11,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:11,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:11,723 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 [2019-01-01 18:26:11,723 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:11,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:11,726 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:26:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-01 18:26:11,807 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:11,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:26:11,920 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 [2019-01-01 18:26:11,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:11,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:12,003 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 [2019-01-01 18:26:12,004 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:12,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:12,008 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:26:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-01 18:26:12,018 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:12,138 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:26:12,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2019-01-01 18:26:12,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:12,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:12,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=50, Unknown=6, NotChecked=0, Total=72 [2019-01-01 18:26:12,140 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 8 states. [2019-01-01 18:26:12,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:12,762 INFO L93 Difference]: Finished difference Result 155 states and 171 transitions. [2019-01-01 18:26:12,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:26:12,763 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2019-01-01 18:26:12,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:12,765 INFO L225 Difference]: With dead ends: 155 [2019-01-01 18:26:12,765 INFO L226 Difference]: Without dead ends: 155 [2019-01-01 18:26:12,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=89, Unknown=9, NotChecked=0, Total=132 [2019-01-01 18:26:12,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-01-01 18:26:12,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 128. [2019-01-01 18:26:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-01-01 18:26:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 146 transitions. [2019-01-01 18:26:12,773 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 146 transitions. Word has length 65 [2019-01-01 18:26:12,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:12,773 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 146 transitions. [2019-01-01 18:26:12,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 146 transitions. [2019-01-01 18:26:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-01 18:26:12,777 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:12,777 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] [2019-01-01 18:26:12,777 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:12,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:12,778 INFO L82 PathProgramCache]: Analyzing trace with hash -776920762, now seen corresponding path program 1 times [2019-01-01 18:26:12,778 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:12,778 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 [2019-01-01 18:26:12,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:13,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:13,082 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 [2019-01-01 18:26:13,082 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:13,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:13,090 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:26:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-01 18:26:13,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:13,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:26:13,715 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 [2019-01-01 18:26:13,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:13,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:13,812 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 [2019-01-01 18:26:13,812 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:13,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:13,854 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:26:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-01 18:26:13,867 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:14,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:26:14,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-01-01 18:26:14,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 18:26:14,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 18:26:14,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-01-01 18:26:14,838 INFO L87 Difference]: Start difference. First operand 128 states and 146 transitions. Second operand 10 states. [2019-01-01 18:26:16,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:16,222 INFO L93 Difference]: Finished difference Result 175 states and 194 transitions. [2019-01-01 18:26:16,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 18:26:16,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2019-01-01 18:26:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:16,225 INFO L225 Difference]: With dead ends: 175 [2019-01-01 18:26:16,225 INFO L226 Difference]: Without dead ends: 175 [2019-01-01 18:26:16,226 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 [2019-01-01 18:26:16,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-01-01 18:26:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 150. [2019-01-01 18:26:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-01-01 18:26:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 181 transitions. [2019-01-01 18:26:16,233 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 181 transitions. Word has length 65 [2019-01-01 18:26:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:16,234 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 181 transitions. [2019-01-01 18:26:16,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 18:26:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2019-01-01 18:26:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-01 18:26:16,236 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:16,236 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] [2019-01-01 18:26:16,236 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:16,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:16,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1743905006, now seen corresponding path program 1 times [2019-01-01 18:26:16,237 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:16,237 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 [2019-01-01 18:26:16,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:16,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-01 18:26:16,552 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (21)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:26:16,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:26:16,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-01-01 18:26:16,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:26:16,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:26:16,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:26:16,674 INFO L87 Difference]: Start difference. First operand 150 states and 181 transitions. Second operand 9 states. [2019-01-01 18:26:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:16,901 INFO L93 Difference]: Finished difference Result 212 states and 259 transitions. [2019-01-01 18:26:16,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:26:16,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-01-01 18:26:16,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:16,908 INFO L225 Difference]: With dead ends: 212 [2019-01-01 18:26:16,908 INFO L226 Difference]: Without dead ends: 206 [2019-01-01 18:26:16,909 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 [2019-01-01 18:26:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-01-01 18:26:16,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 154. [2019-01-01 18:26:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-01-01 18:26:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2019-01-01 18:26:16,920 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 66 [2019-01-01 18:26:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:16,920 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2019-01-01 18:26:16,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:26:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2019-01-01 18:26:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-01 18:26:16,921 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:16,922 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] [2019-01-01 18:26:16,922 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1395968371, now seen corresponding path program 1 times [2019-01-01 18:26:16,927 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:16,928 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 [2019-01-01 18:26:16,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:17,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:17,315 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 [2019-01-01 18:26:17,315 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:17,332 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 [2019-01-01 18:26:17,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:17,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:17,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:26:18,345 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 [2019-01-01 18:26:18,356 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:18,359 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 [2019-01-01 18:26:18,359 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:18,387 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:18,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:18,390 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 [2019-01-01 18:26:18,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:18,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:18,409 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-01 18:26:18,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:18,517 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 [2019-01-01 18:26:18,518 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:18,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:18,548 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:18,549 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 [2019-01-01 18:26:18,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:18,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:18,567 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:16 [2019-01-01 18:26:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2019-01-01 18:26:18,608 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:19,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:26:19,068 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 [2019-01-01 18:26:19,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:19,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:19,209 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 [2019-01-01 18:26:19,209 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,290 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 [2019-01-01 18:26:19,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,300 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,300 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:26:19,315 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:19,318 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 [2019-01-01 18:26:19,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,342 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:19,344 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:19,344 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 [2019-01-01 18:26:19,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,364 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-01 18:26:19,404 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:19,406 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:19,407 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 [2019-01-01 18:26:19,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,435 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 [2019-01-01 18:26:19,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:19,453 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:16 [2019-01-01 18:26:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2019-01-01 18:26:19,467 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:19,812 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:26:19,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2019-01-01 18:26:19,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-01 18:26:19,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-01 18:26:19,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=176, Unknown=1, NotChecked=26, Total=240 [2019-01-01 18:26:19,814 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand 14 states. [2019-01-01 18:26:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:22,279 INFO L93 Difference]: Finished difference Result 236 states and 285 transitions. [2019-01-01 18:26:22,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-01 18:26:22,280 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2019-01-01 18:26:22,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:22,282 INFO L225 Difference]: With dead ends: 236 [2019-01-01 18:26:22,282 INFO L226 Difference]: Without dead ends: 236 [2019-01-01 18:26:22,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=79, Invalid=430, Unknown=1, NotChecked=42, Total=552 [2019-01-01 18:26:22,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-01-01 18:26:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 164. [2019-01-01 18:26:22,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-01-01 18:26:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 201 transitions. [2019-01-01 18:26:22,300 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 201 transitions. Word has length 66 [2019-01-01 18:26:22,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:22,301 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 201 transitions. [2019-01-01 18:26:22,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-01 18:26:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 201 transitions. [2019-01-01 18:26:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-01 18:26:22,303 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:22,303 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] [2019-01-01 18:26:22,304 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:22,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:22,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1685260483, now seen corresponding path program 1 times [2019-01-01 18:26:22,304 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:22,305 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 [2019-01-01 18:26:22,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:22,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:22,993 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 [2019-01-01 18:26:22,999 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 [2019-01-01 18:26:23,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,003 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,013 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-01-01 18:26:23,061 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 [2019-01-01 18:26:23,067 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,068 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 [2019-01-01 18:26:23,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,091 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-01-01 18:26:23,163 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 [2019-01-01 18:26:23,168 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,170 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,172 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,173 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 [2019-01-01 18:26:23,173 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,208 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2019-01-01 18:26:23,331 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 52 treesize of output 43 [2019-01-01 18:26:23,335 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,336 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,337 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,338 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,339 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,341 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,342 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 43 treesize of output 129 [2019-01-01 18:26:23,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,365 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,396 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,396 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2019-01-01 18:26:23,535 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 50 treesize of output 39 [2019-01-01 18:26:23,555 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,557 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,560 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,562 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,569 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,571 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,574 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,576 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,578 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 39 treesize of output 126 [2019-01-01 18:26:23,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,639 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2019-01-01 18:26:23,817 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 49 [2019-01-01 18:26:23,856 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,878 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,882 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,885 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,887 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,892 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,898 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,906 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,915 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:23,916 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 49 treesize of output 193 [2019-01-01 18:26:23,917 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:23,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:24,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:24,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2019-01-01 18:26:24,213 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 74 treesize of output 59 [2019-01-01 18:26:24,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,230 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,233 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,243 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,252 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,255 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,259 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,263 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,267 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,270 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,275 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,279 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,282 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,285 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,287 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 59 treesize of output 274 [2019-01-01 18:26:24,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:24,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:24,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:24,404 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2019-01-01 18:26:24,658 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 69 [2019-01-01 18:26:24,701 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,724 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,731 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,735 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,739 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,741 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,747 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,750 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,755 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,759 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,764 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,768 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,772 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,775 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,780 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,784 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,788 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,794 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,801 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,806 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,809 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,814 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,818 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,821 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,826 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,829 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,834 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:24,835 INFO L303 Elim1Store]: Index analysis took 175 ms [2019-01-01 18:26:24,837 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 69 treesize of output 369 [2019-01-01 18:26:24,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:24,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:25,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:25,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2019-01-01 18:26:25,277 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 [2019-01-01 18:26:25,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,304 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,309 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,318 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,322 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,328 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,331 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,335 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,340 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,349 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,355 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,360 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,364 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,377 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,378 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,383 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,387 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,391 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,401 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,407 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,411 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,416 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,422 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,427 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,432 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,437 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,442 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,447 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,453 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:25,458 INFO L303 Elim1Store]: Index analysis took 177 ms [2019-01-01 18:26:25,460 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 [2019-01-01 18:26:25,461 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:25,616 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:25,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:25,673 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2019-01-01 18:26:25,990 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 [2019-01-01 18:26:25,999 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,000 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,001 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,001 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,003 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,004 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,005 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,006 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,007 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,009 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,010 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,011 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,012 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,013 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,015 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,016 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,018 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,019 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,020 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,025 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,028 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,031 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,032 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,032 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,033 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,035 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,037 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,038 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,040 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,041 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,042 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,044 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,045 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,048 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,051 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,053 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,054 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:26,057 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 [2019-01-01 18:26:26,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:26,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:26,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:26,274 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-01-01 18:26:26,725 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 [2019-01-01 18:26:26,735 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 [2019-01-01 18:26:26,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:26,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:26,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:26,739 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:3 [2019-01-01 18:26:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:26:26,813 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:27,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:26:27,173 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 [2019-01-01 18:26:27,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:27,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:26:27,630 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 [2019-01-01 18:26:27,631 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:27,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:27,640 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:26:27,958 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 [2019-01-01 18:26:27,962 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 [2019-01-01 18:26:27,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:27,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:27,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:27,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-01-01 18:26:28,242 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 [2019-01-01 18:26:28,260 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:28,261 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 [2019-01-01 18:26:28,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,322 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:39 [2019-01-01 18:26:28,793 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 [2019-01-01 18:26:28,794 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,825 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 [2019-01-01 18:26:28,832 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:28,833 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:28,835 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:28,836 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 [2019-01-01 18:26:28,837 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,853 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:28,869 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:29 [2019-01-01 18:26:28,985 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 [2019-01-01 18:26:28,990 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:28,991 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:28,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,000 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 [2019-01-01 18:26:29,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,049 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. [2019-01-01 18:26:29,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:29,203 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 [2019-01-01 18:26:29,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,218 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,226 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 [2019-01-01 18:26:29,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,296 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. [2019-01-01 18:26:29,296 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:29,449 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 [2019-01-01 18:26:29,453 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,455 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,462 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 [2019-01-01 18:26:29,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,485 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,511 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. [2019-01-01 18:26:29,511 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:29,659 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 [2019-01-01 18:26:29,668 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,670 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,677 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,683 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 [2019-01-01 18:26:29,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,704 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,725 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. [2019-01-01 18:26:29,725 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:29,907 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 [2019-01-01 18:26:29,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,915 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,920 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:29,927 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 [2019-01-01 18:26:29,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:29,970 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. [2019-01-01 18:26:29,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:30,118 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 [2019-01-01 18:26:30,124 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:30,126 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:30,131 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:30,139 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 [2019-01-01 18:26:30,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,186 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. [2019-01-01 18:26:30,187 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:30,334 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 [2019-01-01 18:26:30,343 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:30,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:30,350 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:26:30,358 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 [2019-01-01 18:26:30,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,401 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. [2019-01-01 18:26:30,401 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-01 18:26:30,817 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 [2019-01-01 18:26:30,828 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 [2019-01-01 18:26:30,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:26:30,835 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2019-01-01 18:26:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-01 18:26:30,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:26:31,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:26:31,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 16] total 41 [2019-01-01 18:26:31,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-01-01 18:26:31,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-01-01 18:26:31,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1883, Unknown=0, NotChecked=0, Total=2070 [2019-01-01 18:26:31,022 INFO L87 Difference]: Start difference. First operand 164 states and 201 transitions. Second operand 42 states. [2019-01-01 18:26:37,235 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-01-01 18:26:37,871 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-01 18:26:38,371 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-01-01 18:26:39,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:39,319 INFO L93 Difference]: Finished difference Result 195 states and 234 transitions. [2019-01-01 18:26:39,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-01-01 18:26:39,321 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 66 [2019-01-01 18:26:39,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:39,323 INFO L225 Difference]: With dead ends: 195 [2019-01-01 18:26:39,323 INFO L226 Difference]: Without dead ends: 195 [2019-01-01 18:26:39,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 109 SyntacticMatches, 8 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2033 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=507, Invalid=5813, Unknown=0, NotChecked=0, Total=6320 [2019-01-01 18:26:39,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-01-01 18:26:39,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 181. [2019-01-01 18:26:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-01-01 18:26:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 225 transitions. [2019-01-01 18:26:39,332 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 225 transitions. Word has length 66 [2019-01-01 18:26:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:39,333 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 225 transitions. [2019-01-01 18:26:39,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-01-01 18:26:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 225 transitions. [2019-01-01 18:26:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-01 18:26:39,337 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:39,337 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] [2019-01-01 18:26:39,338 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:26:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:39,338 INFO L82 PathProgramCache]: Analyzing trace with hash 703467845, now seen corresponding path program 1 times [2019-01-01 18:26:39,342 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:26:39,342 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 [2019-01-01 18:26:39,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:26:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:26:41,362 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:26:41,407 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# [2019-01-01 18:26:41,409 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# [2019-01-01 18:26:41,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:26:41 BoogieIcfgContainer [2019-01-01 18:26:41,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:26:41,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:26:41,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:26:41,449 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:26:41,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:25:31" (3/4) ... [2019-01-01 18:26:41,460 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 18:26:41,487 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# [2019-01-01 18:26:41,487 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# [2019-01-01 18:26:41,551 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 18:26:41,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:26:41,552 INFO L168 Benchmark]: Toolchain (without parser) took 74047.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 398.5 MB). Free memory was 947.3 MB in the beginning and 1.4 GB in the end (delta: -410.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:41,554 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. [2019-01-01 18:26:41,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:41,555 INFO L168 Benchmark]: Boogie Preprocessor took 124.73 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. [2019-01-01 18:26:41,555 INFO L168 Benchmark]: RCFGBuilder took 3259.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:41,555 INFO L168 Benchmark]: TraceAbstraction took 69734.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.8 MB). Free memory was 983.7 MB in the beginning and 1.4 GB in the end (delta: -385.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:41,557 INFO L168 Benchmark]: Witness Printer took 103.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:41,559 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 819.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.73 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 3259.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69734.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.8 MB). Free memory was 983.7 MB in the beginning and 1.4 GB in the end (delta: -385.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 103.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. 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={-65535:0}] [L1478] CALL entry_point() VAL [ldv_global_msg_list={-65535:0}] [L1465] int i; [L1466] int len = 10; VAL [ldv_global_msg_list={-65535:0}, len=10] [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [\old(size)=40, ldv_global_msg_list={-65535:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={2147356680:0}, ldv_global_msg_list={-65535:0}, malloc(size)={2147356680:0}, size=40] [L1467] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [ldv_global_msg_list={-65535:0}, ldv_malloc(sizeof(struct A17*)*len)={2147356680:0}, len=10] [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 VAL [array={2147356680:0}, i=0, ldv_global_msg_list={-65535:0}, len=10] [L1469] COND TRUE i=0) VAL [\old(len)=10, array={2147356680:0}, array={2147356680:0}, i=0, j=4294967295, ldv_global_msg_list={-65535:0}, len=10, p={0:0}] [L1454] return - -3; VAL [\old(len)=10, \result=3, array={2147356680:0}, array={2147356680:0}, i=0, j=4294967295, ldv_global_msg_list={-65535:0}, len=10, p={0:0}] [L1472] RET alloc_17(array, len) VAL [alloc_17(array, len)=3, array={2147356680:0}, i=10, ldv_global_msg_list={-65535:0}, len=10] [L1473] CALL free_17(array, len) VAL [\old(len)=10, array={2147356680:0}, ldv_global_msg_list={-65535:0}] [L1458] int i; [L1459] i=0 VAL [\old(len)=10, array={2147356680:0}, array={2147356680:0}, i=0, ldv_global_msg_list={-65535:0}, len=10] [L1459] COND TRUE i