./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcf7d7a4067ef9712cccdc61e57c274773cdfd53 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcf7d7a4067ef9712cccdc61e57c274773cdfd53 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 19:24:59,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:24:59,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:24:59,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:24:59,474 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:24:59,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:24:59,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:24:59,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:24:59,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:24:59,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:24:59,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:24:59,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:24:59,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:24:59,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:24:59,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:24:59,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:24:59,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:24:59,490 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:24:59,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:24:59,495 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:24:59,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:24:59,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:24:59,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:24:59,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:24:59,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:24:59,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:24:59,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:24:59,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:24:59,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:24:59,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:24:59,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:24:59,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:24:59,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:24:59,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:24:59,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:24:59,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:24:59,523 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:24:59,548 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:24:59,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:24:59,551 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:24:59,551 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:24:59,551 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:24:59,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:24:59,552 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:24:59,553 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:24:59,553 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:24:59,553 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:24:59,553 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:24:59,554 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:24:59,554 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:24:59,555 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:24:59,555 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:24:59,555 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:24:59,555 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:24:59,556 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:24:59,557 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:24:59,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:24:59,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:24:59,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:24:59,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:24:59,558 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:24:59,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:24:59,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf7d7a4067ef9712cccdc61e57c274773cdfd53 [2019-01-14 19:24:59,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:24:59,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:24:59,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:24:59,648 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:24:59,649 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:24:59,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-14 19:24:59,707 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1b02bbd/18d8691dba75426d9d5a4ac7f8ac6a64/FLAG128ad68a1 [2019-01-14 19:25:00,180 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:25:00,181 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-14 19:25:00,205 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1b02bbd/18d8691dba75426d9d5a4ac7f8ac6a64/FLAG128ad68a1 [2019-01-14 19:25:00,466 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1b02bbd/18d8691dba75426d9d5a4ac7f8ac6a64 [2019-01-14 19:25:00,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:25:00,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:25:00,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:25:00,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:25:00,476 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:25:00,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:25:00" (1/1) ... [2019-01-14 19:25:00,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c289fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:00, skipping insertion in model container [2019-01-14 19:25:00,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:25:00" (1/1) ... [2019-01-14 19:25:00,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:25:00,547 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:25:01,009 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:25:01,033 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:25:01,180 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:25:01,275 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:25:01,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01 WrapperNode [2019-01-14 19:25:01,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:25:01,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:25:01,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:25:01,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:25:01,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (1/1) ... [2019-01-14 19:25:01,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:25:01,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:25:01,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:25:01,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:25:01,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (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 [2019-01-14 19:25:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:25:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:25:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:25:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:25:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:25:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:25:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:25:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:25:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-14 19:25:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-14 19:25:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:25:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:25:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:25:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:25:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:25:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:25:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:25:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:25:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:25:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:25:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:25:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:25:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:25:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:25:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:25:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:25:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:25:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:25:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:25:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:25:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:25:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:25:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:25:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:25:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:25:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:25:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:25:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:25:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:25:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:25:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:25:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:25:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:25:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:25:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-14 19:25:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-14 19:25:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-14 19:25:02,173 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:25:02,809 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:25:03,593 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:25:03,593 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 19:25:03,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:25:03 BoogieIcfgContainer [2019-01-14 19:25:03,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:25:03,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:25:03,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:25:03,600 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:25:03,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:25:00" (1/3) ... [2019-01-14 19:25:03,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7a4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:25:03, skipping insertion in model container [2019-01-14 19:25:03,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:01" (2/3) ... [2019-01-14 19:25:03,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7a4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:25:03, skipping insertion in model container [2019-01-14 19:25:03,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:25:03" (3/3) ... [2019-01-14 19:25:03,606 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-14 19:25:03,616 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:25:03,625 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-01-14 19:25:03,642 INFO L257 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-01-14 19:25:03,662 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:25:03,663 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:25:03,663 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:25:03,663 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:25:03,664 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:25:03,664 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:25:03,664 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:25:03,664 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:25:03,664 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:25:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-01-14 19:25:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:25:03,695 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:03,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:03,700 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:03,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:03,706 INFO L82 PathProgramCache]: Analyzing trace with hash 233331116, now seen corresponding path program 1 times [2019-01-14 19:25:03,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:03,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:03,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:03,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:03,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:04,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:04,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:25:04,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:04,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:04,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:04,066 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2019-01-14 19:25:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:04,508 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2019-01-14 19:25:04,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:04,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-14 19:25:04,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:04,522 INFO L225 Difference]: With dead ends: 87 [2019-01-14 19:25:04,522 INFO L226 Difference]: Without dead ends: 84 [2019-01-14 19:25:04,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-01-14 19:25:04,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-01-14 19:25:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-14 19:25:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2019-01-14 19:25:04,570 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 16 [2019-01-14 19:25:04,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:04,571 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2019-01-14 19:25:04,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2019-01-14 19:25:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:25:04,573 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:04,573 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:04,574 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:04,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:04,574 INFO L82 PathProgramCache]: Analyzing trace with hash 233331117, now seen corresponding path program 1 times [2019-01-14 19:25:04,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:04,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:04,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:04,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:04,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:04,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:04,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:25:04,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:25:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:25:04,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:25:04,917 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 8 states. [2019-01-14 19:25:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:05,240 INFO L93 Difference]: Finished difference Result 91 states and 106 transitions. [2019-01-14 19:25:05,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:25:05,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-01-14 19:25:05,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:05,244 INFO L225 Difference]: With dead ends: 91 [2019-01-14 19:25:05,244 INFO L226 Difference]: Without dead ends: 91 [2019-01-14 19:25:05,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-01-14 19:25:05,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-01-14 19:25:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2019-01-14 19:25:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-14 19:25:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2019-01-14 19:25:05,257 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 16 [2019-01-14 19:25:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:05,257 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2019-01-14 19:25:05,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:25:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2019-01-14 19:25:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:25:05,258 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:05,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:05,260 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:05,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:05,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1120834797, now seen corresponding path program 1 times [2019-01-14 19:25:05,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:05,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:05,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:05,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:05,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:05,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:05,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:05,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:05,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:05,347 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 5 states. [2019-01-14 19:25:05,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:05,396 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2019-01-14 19:25:05,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:05,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-14 19:25:05,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:05,399 INFO L225 Difference]: With dead ends: 81 [2019-01-14 19:25:05,399 INFO L226 Difference]: Without dead ends: 81 [2019-01-14 19:25:05,399 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 [2019-01-14 19:25:05,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-14 19:25:05,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-14 19:25:05,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-14 19:25:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2019-01-14 19:25:05,408 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 16 [2019-01-14 19:25:05,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:05,409 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2019-01-14 19:25:05,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2019-01-14 19:25:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:25:05,410 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:05,410 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:05,411 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:05,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1355843160, now seen corresponding path program 1 times [2019-01-14 19:25:05,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:05,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:05,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:05,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:05,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:05,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:05,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:05,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:05,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:05,499 INFO L87 Difference]: Start difference. First operand 79 states and 88 transitions. Second operand 5 states. [2019-01-14 19:25:05,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:05,540 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2019-01-14 19:25:05,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:05,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-14 19:25:05,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:05,544 INFO L225 Difference]: With dead ends: 81 [2019-01-14 19:25:05,544 INFO L226 Difference]: Without dead ends: 81 [2019-01-14 19:25:05,544 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 [2019-01-14 19:25:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-14 19:25:05,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-14 19:25:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-14 19:25:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2019-01-14 19:25:05,563 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 17 [2019-01-14 19:25:05,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:05,564 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2019-01-14 19:25:05,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2019-01-14 19:25:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:25:05,565 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:05,565 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:05,568 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:05,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:05,569 INFO L82 PathProgramCache]: Analyzing trace with hash 386967175, now seen corresponding path program 1 times [2019-01-14 19:25:05,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:05,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:05,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:05,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:05,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:05,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:25:05,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:25:05,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:25:05,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:25:05,696 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 3 states. [2019-01-14 19:25:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:05,788 INFO L93 Difference]: Finished difference Result 117 states and 130 transitions. [2019-01-14 19:25:05,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:25:05,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-14 19:25:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:05,792 INFO L225 Difference]: With dead ends: 117 [2019-01-14 19:25:05,792 INFO L226 Difference]: Without dead ends: 112 [2019-01-14 19:25:05,793 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 [2019-01-14 19:25:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-01-14 19:25:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 77. [2019-01-14 19:25:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-14 19:25:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 84 transitions. [2019-01-14 19:25:05,802 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 84 transitions. Word has length 17 [2019-01-14 19:25:05,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:05,804 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 84 transitions. [2019-01-14 19:25:05,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:25:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2019-01-14 19:25:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-14 19:25:05,805 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:05,806 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:05,807 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:05,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:05,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1910586884, now seen corresponding path program 1 times [2019-01-14 19:25:05,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:05,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:05,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:05,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:06,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:06,032 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 [2019-01-14 19:25:06,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:06,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:06,157 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 [2019-01-14 19:25:06,159 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:06,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:06,179 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-14 19:25:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:06,741 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:06,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-01-14 19:25:06,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-14 19:25:06,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-14 19:25:06,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-01-14 19:25:06,743 INFO L87 Difference]: Start difference. First operand 77 states and 84 transitions. Second operand 14 states. [2019-01-14 19:25:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:07,464 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2019-01-14 19:25:07,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-14 19:25:07,467 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 19 [2019-01-14 19:25:07,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:07,468 INFO L225 Difference]: With dead ends: 82 [2019-01-14 19:25:07,468 INFO L226 Difference]: Without dead ends: 82 [2019-01-14 19:25:07,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:25:07,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-14 19:25:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2019-01-14 19:25:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-14 19:25:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2019-01-14 19:25:07,475 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 19 [2019-01-14 19:25:07,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:07,477 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2019-01-14 19:25:07,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-14 19:25:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2019-01-14 19:25:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-14 19:25:07,478 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:07,479 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] [2019-01-14 19:25:07,480 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:07,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:07,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2116303468, now seen corresponding path program 1 times [2019-01-14 19:25:07,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:07,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:07,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:07,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:07,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-14 19:25:07,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:07,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:25:07,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:25:07,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:25:07,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:25:07,674 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand 8 states. [2019-01-14 19:25:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:08,183 INFO L93 Difference]: Finished difference Result 132 states and 146 transitions. [2019-01-14 19:25:08,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:25:08,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-01-14 19:25:08,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:08,186 INFO L225 Difference]: With dead ends: 132 [2019-01-14 19:25:08,186 INFO L226 Difference]: Without dead ends: 132 [2019-01-14 19:25:08,186 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 [2019-01-14 19:25:08,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-01-14 19:25:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 103. [2019-01-14 19:25:08,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-14 19:25:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2019-01-14 19:25:08,200 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 32 [2019-01-14 19:25:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:08,200 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2019-01-14 19:25:08,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:25:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2019-01-14 19:25:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-14 19:25:08,202 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:08,202 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] [2019-01-14 19:25:08,203 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:08,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:08,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2116303467, now seen corresponding path program 1 times [2019-01-14 19:25:08,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:08,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:08,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:08,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:08,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:08,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:08,333 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 [2019-01-14 19:25:08,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:08,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:08,628 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:08,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-01-14 19:25:08,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-14 19:25:08,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-14 19:25:08,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:25:08,629 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 9 states. [2019-01-14 19:25:08,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:08,700 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2019-01-14 19:25:08,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:25:08,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-01-14 19:25:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:08,702 INFO L225 Difference]: With dead ends: 108 [2019-01-14 19:25:08,702 INFO L226 Difference]: Without dead ends: 108 [2019-01-14 19:25:08,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:25:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-01-14 19:25:08,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2019-01-14 19:25:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-14 19:25:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2019-01-14 19:25:08,710 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 32 [2019-01-14 19:25:08,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:08,712 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2019-01-14 19:25:08,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-14 19:25:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2019-01-14 19:25:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-14 19:25:08,714 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:08,714 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] [2019-01-14 19:25:08,717 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:08,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:08,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1454957588, now seen corresponding path program 2 times [2019-01-14 19:25:08,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:08,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:08,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:08,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:08,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:08,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:08,817 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 [2019-01-14 19:25:08,837 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-14 19:25:08,874 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-14 19:25:08,874 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:25:08,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-01-14 19:25:08,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 19:25:08,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-01-14 19:25:08,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-14 19:25:08,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-14 19:25:08,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:25:08,957 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 9 states. [2019-01-14 19:25:09,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:09,162 INFO L93 Difference]: Finished difference Result 149 states and 176 transitions. [2019-01-14 19:25:09,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:25:09,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-01-14 19:25:09,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:09,165 INFO L225 Difference]: With dead ends: 149 [2019-01-14 19:25:09,165 INFO L226 Difference]: Without dead ends: 146 [2019-01-14 19:25:09,167 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 [2019-01-14 19:25:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-01-14 19:25:09,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 110. [2019-01-14 19:25:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-01-14 19:25:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-01-14 19:25:09,173 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 35 [2019-01-14 19:25:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:09,175 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-01-14 19:25:09,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-14 19:25:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-01-14 19:25:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-14 19:25:09,176 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:09,176 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] [2019-01-14 19:25:09,177 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:09,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:09,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1072770803, now seen corresponding path program 1 times [2019-01-14 19:25:09,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:09,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:09,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:09,181 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:25:09,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:09,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:09,689 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 [2019-01-14 19:25:09,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:09,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:09,915 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:09,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-01-14 19:25:09,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-14 19:25:09,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-14 19:25:09,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-14 19:25:09,916 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 13 states. [2019-01-14 19:25:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:09,984 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2019-01-14 19:25:09,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:25:09,986 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-01-14 19:25:09,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:09,987 INFO L225 Difference]: With dead ends: 115 [2019-01-14 19:25:09,987 INFO L226 Difference]: Without dead ends: 115 [2019-01-14 19:25:09,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-14 19:25:09,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-01-14 19:25:09,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2019-01-14 19:25:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-14 19:25:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions. [2019-01-14 19:25:09,995 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 38 [2019-01-14 19:25:09,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:09,995 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 132 transitions. [2019-01-14 19:25:09,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-14 19:25:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2019-01-14 19:25:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-14 19:25:09,999 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:09,999 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] [2019-01-14 19:25:10,001 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:10,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:10,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1027745802, now seen corresponding path program 2 times [2019-01-14 19:25:10,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:10,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:10,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:10,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:10,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:10,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:10,224 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 [2019-01-14 19:25:10,234 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-14 19:25:10,268 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-14 19:25:10,268 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:25:10,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:10,384 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:10,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-01-14 19:25:10,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-14 19:25:10,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-14 19:25:10,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2019-01-14 19:25:10,387 INFO L87 Difference]: Start difference. First operand 113 states and 132 transitions. Second operand 15 states. [2019-01-14 19:25:10,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:10,663 INFO L93 Difference]: Finished difference Result 118 states and 137 transitions. [2019-01-14 19:25:10,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:25:10,665 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-01-14 19:25:10,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:10,666 INFO L225 Difference]: With dead ends: 118 [2019-01-14 19:25:10,666 INFO L226 Difference]: Without dead ends: 118 [2019-01-14 19:25:10,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2019-01-14 19:25:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-01-14 19:25:10,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-01-14 19:25:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-01-14 19:25:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2019-01-14 19:25:10,683 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 41 [2019-01-14 19:25:10,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:10,689 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2019-01-14 19:25:10,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-14 19:25:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2019-01-14 19:25:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-01-14 19:25:10,691 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:10,691 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] [2019-01-14 19:25:10,691 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:10,696 INFO L82 PathProgramCache]: Analyzing trace with hash -282262637, now seen corresponding path program 3 times [2019-01-14 19:25:10,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:10,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:10,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:10,698 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:25:10,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:10,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:10,903 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 [2019-01-14 19:25:10,915 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-14 19:25:10,945 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-14 19:25:10,946 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:25:10,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:10,958 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 [2019-01-14 19:25:10,959 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:10,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:10,984 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:25:11,367 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 [2019-01-14 19:25:11,430 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 [2019-01-14 19:25:11,431 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:11,504 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. [2019-01-14 19:25:11,504 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-14 19:25:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 2 not checked. [2019-01-14 19:25:11,693 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:11,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2019-01-14 19:25:11,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-14 19:25:11,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-14 19:25:11,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=190, Unknown=1, NotChecked=28, Total=272 [2019-01-14 19:25:11,694 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 17 states. [2019-01-14 19:25:12,419 WARN L181 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-14 19:25:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:13,335 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2019-01-14 19:25:13,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-14 19:25:13,337 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2019-01-14 19:25:13,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:13,340 INFO L225 Difference]: With dead ends: 156 [2019-01-14 19:25:13,340 INFO L226 Difference]: Without dead ends: 156 [2019-01-14 19:25:13,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=167, Invalid=705, Unknown=2, NotChecked=56, Total=930 [2019-01-14 19:25:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-14 19:25:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2019-01-14 19:25:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-01-14 19:25:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2019-01-14 19:25:13,347 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 44 [2019-01-14 19:25:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:13,348 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2019-01-14 19:25:13,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-14 19:25:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2019-01-14 19:25:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-14 19:25:13,351 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:13,352 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] [2019-01-14 19:25:13,353 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:13,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1624149867, now seen corresponding path program 1 times [2019-01-14 19:25:13,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:13,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:13,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:13,354 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:25:13,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:13,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:13,519 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 [2019-01-14 19:25:13,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:13,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:13,751 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:13,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2019-01-14 19:25:13,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-01-14 19:25:13,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-01-14 19:25:13,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2019-01-14 19:25:13,752 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 19 states. [2019-01-14 19:25:13,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:13,862 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2019-01-14 19:25:13,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-14 19:25:13,863 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 47 [2019-01-14 19:25:13,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:13,864 INFO L225 Difference]: With dead ends: 128 [2019-01-14 19:25:13,864 INFO L226 Difference]: Without dead ends: 128 [2019-01-14 19:25:13,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2019-01-14 19:25:13,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-01-14 19:25:13,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-01-14 19:25:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-01-14 19:25:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-01-14 19:25:13,877 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 47 [2019-01-14 19:25:13,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:13,877 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-01-14 19:25:13,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-01-14 19:25:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-01-14 19:25:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-01-14 19:25:13,878 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:13,878 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] [2019-01-14 19:25:13,880 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:13,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:13,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1088495564, now seen corresponding path program 2 times [2019-01-14 19:25:13,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:13,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:13,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:13,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:13,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:14,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:14,611 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 [2019-01-14 19:25:14,620 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-14 19:25:14,656 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-14 19:25:14,657 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:25:14,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:14,806 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:14,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2019-01-14 19:25:14,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-14 19:25:14,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-14 19:25:14,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=246, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:25:14,807 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 21 states. [2019-01-14 19:25:14,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:14,926 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2019-01-14 19:25:14,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-14 19:25:14,927 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2019-01-14 19:25:14,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:14,929 INFO L225 Difference]: With dead ends: 131 [2019-01-14 19:25:14,929 INFO L226 Difference]: Without dead ends: 131 [2019-01-14 19:25:14,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=246, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:25:14,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-01-14 19:25:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2019-01-14 19:25:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-01-14 19:25:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2019-01-14 19:25:14,937 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 50 [2019-01-14 19:25:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:14,937 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2019-01-14 19:25:14,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-14 19:25:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2019-01-14 19:25:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-01-14 19:25:14,940 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:14,940 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] [2019-01-14 19:25:14,942 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:14,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:14,942 INFO L82 PathProgramCache]: Analyzing trace with hash 596111051, now seen corresponding path program 3 times [2019-01-14 19:25:14,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:14,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:14,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:14,943 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:25:14,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:15,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:15,631 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-01-14 19:25:15,642 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-14 19:25:15,697 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-14 19:25:15,697 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:25:15,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:15,743 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 [2019-01-14 19:25:15,744 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:15,778 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 [2019-01-14 19:25:15,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:15,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:15,793 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2019-01-14 19:25:16,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:16,091 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 [2019-01-14 19:25:16,091 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:16,113 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:16,115 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:16,117 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 [2019-01-14 19:25:16,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:16,129 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. [2019-01-14 19:25:16,130 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:33, output treesize:17 [2019-01-14 19:25:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-01-14 19:25:16,188 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:16,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2019-01-14 19:25:16,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-14 19:25:16,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-14 19:25:16,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-01-14 19:25:16,189 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 22 states. [2019-01-14 19:25:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:20,610 INFO L93 Difference]: Finished difference Result 254 states and 287 transitions. [2019-01-14 19:25:20,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-01-14 19:25:20,612 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 53 [2019-01-14 19:25:20,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:20,615 INFO L225 Difference]: With dead ends: 254 [2019-01-14 19:25:20,615 INFO L226 Difference]: Without dead ends: 254 [2019-01-14 19:25:20,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2019-01-14 19:25:20,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-01-14 19:25:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 140. [2019-01-14 19:25:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-01-14 19:25:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2019-01-14 19:25:20,626 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2019-01-14 19:25:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:20,626 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2019-01-14 19:25:20,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-14 19:25:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2019-01-14 19:25:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-14 19:25:20,627 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:20,627 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] [2019-01-14 19:25:20,630 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:20,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1006775904, now seen corresponding path program 1 times [2019-01-14 19:25:20,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:20,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:20,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:20,632 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:25:20,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-14 19:25:20,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:20,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:20,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:20,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:20,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:20,787 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 5 states. [2019-01-14 19:25:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:20,844 INFO L93 Difference]: Finished difference Result 152 states and 179 transitions. [2019-01-14 19:25:20,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:25:20,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-14 19:25:20,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:20,848 INFO L225 Difference]: With dead ends: 152 [2019-01-14 19:25:20,848 INFO L226 Difference]: Without dead ends: 152 [2019-01-14 19:25:20,849 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 [2019-01-14 19:25:20,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-01-14 19:25:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 142. [2019-01-14 19:25:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-01-14 19:25:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2019-01-14 19:25:20,854 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 58 [2019-01-14 19:25:20,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:20,854 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2019-01-14 19:25:20,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2019-01-14 19:25:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-14 19:25:20,857 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:20,857 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] [2019-01-14 19:25:20,858 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:20,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:20,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1545381057, now seen corresponding path program 1 times [2019-01-14 19:25:20,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:20,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:20,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:20,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:20,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:25:20,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:20,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:25:20,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:25:20,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:25:20,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:25:20,952 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 4 states. [2019-01-14 19:25:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:21,000 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2019-01-14 19:25:21,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:21,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-01-14 19:25:21,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:21,003 INFO L225 Difference]: With dead ends: 153 [2019-01-14 19:25:21,003 INFO L226 Difference]: Without dead ends: 153 [2019-01-14 19:25:21,003 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 [2019-01-14 19:25:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-01-14 19:25:21,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 144. [2019-01-14 19:25:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-01-14 19:25:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-01-14 19:25:21,008 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2019-01-14 19:25:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:21,009 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-01-14 19:25:21,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:25:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-01-14 19:25:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-14 19:25:21,012 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:21,012 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] [2019-01-14 19:25:21,013 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:21,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:21,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1170930316, now seen corresponding path program 1 times [2019-01-14 19:25:21,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:21,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:21,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:21,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:21,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-14 19:25:21,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:21,233 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 [2019-01-14 19:25:21,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:21,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:21,808 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:21,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 23 [2019-01-14 19:25:21,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-01-14 19:25:21,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-01-14 19:25:21,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2019-01-14 19:25:21,811 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 24 states. [2019-01-14 19:25:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:23,861 INFO L93 Difference]: Finished difference Result 198 states and 224 transitions. [2019-01-14 19:25:23,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-14 19:25:23,862 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 65 [2019-01-14 19:25:23,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:23,864 INFO L225 Difference]: With dead ends: 198 [2019-01-14 19:25:23,864 INFO L226 Difference]: Without dead ends: 198 [2019-01-14 19:25:23,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2019-01-14 19:25:23,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-01-14 19:25:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 170. [2019-01-14 19:25:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-01-14 19:25:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 208 transitions. [2019-01-14 19:25:23,874 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 208 transitions. Word has length 65 [2019-01-14 19:25:23,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:23,874 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 208 transitions. [2019-01-14 19:25:23,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-01-14 19:25:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 208 transitions. [2019-01-14 19:25:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-14 19:25:23,878 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:23,878 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] [2019-01-14 19:25:23,879 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:23,879 INFO L82 PathProgramCache]: Analyzing trace with hash -221308824, now seen corresponding path program 1 times [2019-01-14 19:25:23,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:23,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:23,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:23,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:23,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:25:24,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:24,008 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 [2019-01-14 19:25:24,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:24,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:25:24,153 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:24,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-01-14 19:25:24,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-14 19:25:24,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-14 19:25:24,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-01-14 19:25:24,155 INFO L87 Difference]: Start difference. First operand 170 states and 208 transitions. Second operand 11 states. [2019-01-14 19:25:24,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:24,617 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2019-01-14 19:25:24,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-14 19:25:24,619 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2019-01-14 19:25:24,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:24,622 INFO L225 Difference]: With dead ends: 276 [2019-01-14 19:25:24,622 INFO L226 Difference]: Without dead ends: 270 [2019-01-14 19:25:24,622 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 [2019-01-14 19:25:24,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-01-14 19:25:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 168. [2019-01-14 19:25:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-01-14 19:25:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 203 transitions. [2019-01-14 19:25:24,631 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 203 transitions. Word has length 66 [2019-01-14 19:25:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:24,631 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 203 transitions. [2019-01-14 19:25:24,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-14 19:25:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2019-01-14 19:25:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-14 19:25:24,635 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:24,635 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] [2019-01-14 19:25:24,636 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:24,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1166325032, now seen corresponding path program 1 times [2019-01-14 19:25:24,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:24,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:24,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:24,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:24,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:25:25,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:25,036 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 [2019-01-14 19:25:25,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:25,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:25,565 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:25,568 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 [2019-01-14 19:25:25,569 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:25,619 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:25,621 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:25,622 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 [2019-01-14 19:25:25,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:25,636 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. [2019-01-14 19:25:25,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:20 [2019-01-14 19:25:25,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:25,723 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 [2019-01-14 19:25:25,724 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:25,743 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:25,744 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:25,746 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 [2019-01-14 19:25:25,746 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:25,761 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. [2019-01-14 19:25:25,761 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:20 [2019-01-14 19:25:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:25:25,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:25,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 20] total 31 [2019-01-14 19:25:25,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-01-14 19:25:25,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-01-14 19:25:25,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2019-01-14 19:25:25,830 INFO L87 Difference]: Start difference. First operand 168 states and 203 transitions. Second operand 32 states. [2019-01-14 19:25:31,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:31,060 INFO L93 Difference]: Finished difference Result 315 states and 364 transitions. [2019-01-14 19:25:31,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-01-14 19:25:31,061 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 66 [2019-01-14 19:25:31,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:31,063 INFO L225 Difference]: With dead ends: 315 [2019-01-14 19:25:31,063 INFO L226 Difference]: Without dead ends: 315 [2019-01-14 19:25:31,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=413, Invalid=3009, Unknown=0, NotChecked=0, Total=3422 [2019-01-14 19:25:31,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-01-14 19:25:31,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 178. [2019-01-14 19:25:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-01-14 19:25:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 219 transitions. [2019-01-14 19:25:31,074 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 219 transitions. Word has length 66 [2019-01-14 19:25:31,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:31,075 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 219 transitions. [2019-01-14 19:25:31,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-01-14 19:25:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 219 transitions. [2019-01-14 19:25:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-14 19:25:31,079 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:31,079 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] [2019-01-14 19:25:31,080 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:25:31,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:31,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1939101092, now seen corresponding path program 1 times [2019-01-14 19:25:31,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:31,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:31,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:31,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:31,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:31,435 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2019-01-14 19:25:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:25:32,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:32,527 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 [2019-01-14 19:25:32,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:32,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:32,676 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 [2019-01-14 19:25:32,678 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 [2019-01-14 19:25:32,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,698 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2019-01-14 19:25:32,750 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2019-01-14 19:25:32,754 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:32,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2019-01-14 19:25:32,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,772 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-01-14 19:25:32,859 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 32 treesize of output 25 [2019-01-14 19:25:32,863 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:32,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:32,866 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:32,867 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 25 treesize of output 52 [2019-01-14 19:25:32,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,928 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:32,929 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-01-14 19:25:33,004 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 [2019-01-14 19:25:33,006 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,007 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,008 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,010 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,012 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,014 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,016 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 32 treesize of output 85 [2019-01-14 19:25:33,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:33,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:33,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:33,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-01-14 19:25:33,208 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 41 [2019-01-14 19:25:33,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,214 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,216 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,218 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,223 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,224 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,228 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 41 treesize of output 136 [2019-01-14 19:25:33,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:33,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:33,275 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. [2019-01-14 19:25:33,275 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:59 [2019-01-14 19:25:33,526 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 63 treesize of output 50 [2019-01-14 19:25:33,555 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,576 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,604 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,628 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,654 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,670 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,685 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,700 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,748 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,770 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,788 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,815 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,840 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:33,859 INFO L303 Elim1Store]: Index analysis took 331 ms [2019-01-14 19:25:33,861 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 50 treesize of output 199 [2019-01-14 19:25:33,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:34,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:34,117 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. [2019-01-14 19:25:34,117 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:75 [2019-01-14 19:25:34,307 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 [2019-01-14 19:25:34,311 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,313 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,316 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,316 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,318 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,319 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,320 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,321 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,322 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,323 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,324 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,325 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,326 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,327 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,328 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,329 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,331 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,332 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,333 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,334 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,335 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 [2019-01-14 19:25:34,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:34,404 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:34,434 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. [2019-01-14 19:25:34,435 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:91 [2019-01-14 19:25:34,597 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 85 treesize of output 68 [2019-01-14 19:25:34,601 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,603 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,605 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,606 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,607 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,608 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,609 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,610 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,611 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,613 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,614 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,615 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,617 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,619 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,620 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,621 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,623 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,624 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,625 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,626 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,627 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,629 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,630 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,631 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,632 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,633 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:34,637 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 68 treesize of output 361 [2019-01-14 19:25:34,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:34,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:34,771 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. [2019-01-14 19:25:34,772 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:111, output treesize:107 [2019-01-14 19:25:35,209 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 96 treesize of output 77 [2019-01-14 19:25:35,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,224 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,229 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,233 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,237 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,243 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,246 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,248 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,269 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,273 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,275 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,278 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,283 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,285 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,292 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,294 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,299 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,304 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:35,307 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 77 treesize of output 460 [2019-01-14 19:25:35,309 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:35,446 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:35,492 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. [2019-01-14 19:25:35,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:127, output treesize:123 [2019-01-14 19:25:37,073 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 107 treesize of output 86 [2019-01-14 19:25:37,115 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,138 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,162 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,191 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,307 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,339 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,361 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,377 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,401 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,427 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,443 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,444 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,450 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,451 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,455 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,456 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,459 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,466 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,469 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,470 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,471 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,472 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,474 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,475 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,477 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,479 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,480 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,481 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:37,483 INFO L303 Elim1Store]: Index analysis took 407 ms [2019-01-14 19:25:37,485 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 86 treesize of output 571 [2019-01-14 19:25:37,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:37,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:37,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-01-14 19:25:37,717 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:143, output treesize:139 [2019-01-14 19:26:00,918 WARN L181 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 69 [2019-01-14 19:26:03,096 WARN L181 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 60 [2019-01-14 19:26:05,199 WARN L181 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 62 [2019-01-14 19:26:05,206 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 92 treesize of output 70 [2019-01-14 19:26:05,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,212 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,214 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,216 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,218 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,221 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,223 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,224 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,225 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,228 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,229 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,230 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,233 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,238 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,238 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,240 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,243 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,245 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,246 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,248 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,249 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,251 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,252 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:26:05,254 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 70 treesize of output 298 [2019-01-14 19:26:05,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,360 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,378 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:125, output treesize:3 [2019-01-14 19:26:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 57 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:26:05,429 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:26:05,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 47 [2019-01-14 19:26:05,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2019-01-14 19:26:05,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2019-01-14 19:26:05,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=1844, Unknown=14, NotChecked=0, Total=2256 [2019-01-14 19:26:05,431 INFO L87 Difference]: Start difference. First operand 178 states and 219 transitions. Second operand 48 states. [2019-01-14 19:26:37,193 WARN L181 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2019-01-14 19:26:42,630 WARN L181 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2019-01-14 19:26:49,287 WARN L181 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2019-01-14 19:26:55,107 WARN L181 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2019-01-14 19:27:20,435 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-14 19:27:20,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-01-14 19:27:20,436 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.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:152) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) 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) ... 49 more [2019-01-14 19:27:20,440 INFO L168 Benchmark]: Toolchain (without parser) took 139970.00 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 422.6 MB). Free memory was 947.3 MB in the beginning and 855.8 MB in the end (delta: 91.5 MB). Peak memory consumption was 514.1 MB. Max. memory is 11.5 GB. [2019-01-14 19:27:20,441 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-01-14 19:27:20,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-01-14 19:27:20,444 INFO L168 Benchmark]: Boogie Preprocessor took 121.94 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. [2019-01-14 19:27:20,445 INFO L168 Benchmark]: RCFGBuilder took 2196.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. [2019-01-14 19:27:20,445 INFO L168 Benchmark]: TraceAbstraction took 136842.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 855.8 MB in the end (delta: 147.8 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. [2019-01-14 19:27:20,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 804.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.94 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 2196.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136842.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 855.8 MB in the end (delta: 147.8 MB). Peak memory consumption was 415.2 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 0.1.24-0ed9222-m [2019-01-14 19:27:22,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:27:22,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:27:22,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:27:22,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:27:22,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:27:22,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:27:22,588 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:27:22,590 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:27:22,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:27:22,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:27:22,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:27:22,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:27:22,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:27:22,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:27:22,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:27:22,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:27:22,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:27:22,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:27:22,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:27:22,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:27:22,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:27:22,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:27:22,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:27:22,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:27:22,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:27:22,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:27:22,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:27:22,615 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:27:22,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:27:22,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:27:22,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:27:22,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:27:22,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:27:22,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:27:22,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:27:22,625 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-14 19:27:22,653 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:27:22,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:27:22,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:27:22,657 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:27:22,657 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:27:22,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:27:22,657 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:27:22,658 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:27:22,659 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:27:22,659 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:27:22,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:27:22,659 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:27:22,659 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:27:22,659 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:27:22,660 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:27:22,661 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-14 19:27:22,661 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-14 19:27:22,661 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:27:22,661 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:27:22,661 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:27:22,661 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:27:22,662 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:27:22,662 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:27:22,662 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:27:22,662 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:27:22,662 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-14 19:27:22,663 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:27:22,665 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-14 19:27:22,666 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf7d7a4067ef9712cccdc61e57c274773cdfd53 [2019-01-14 19:27:22,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:27:22,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:27:22,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:27:22,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:27:22,738 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:27:22,738 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-14 19:27:22,798 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4186aea3c/224001c2be33465780b1d930450d782e/FLAG7289cabf9 [2019-01-14 19:27:23,365 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:27:23,366 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-14 19:27:23,382 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4186aea3c/224001c2be33465780b1d930450d782e/FLAG7289cabf9 [2019-01-14 19:27:23,643 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4186aea3c/224001c2be33465780b1d930450d782e [2019-01-14 19:27:23,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:27:23,648 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:27:23,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:27:23,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:27:23,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:27:23,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:27:23" (1/1) ... [2019-01-14 19:27:23,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fc8e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:23, skipping insertion in model container [2019-01-14 19:27:23,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:27:23" (1/1) ... [2019-01-14 19:27:23,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:27:23,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:27:24,168 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:27:24,197 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:27:24,375 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:27:24,464 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:27:24,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24 WrapperNode [2019-01-14 19:27:24,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:27:24,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:27:24,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:27:24,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:27:24,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... [2019-01-14 19:27:24,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:27:24,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:27:24,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:27:24,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:27:24,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:27:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:27:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:27:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:27:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 19:27:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:27:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:27:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:27:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:27:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:27:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:27:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:27:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:27:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:27:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:27:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:27:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:27:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:27:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:27:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:27:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:27:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:27:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:27:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:27:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:27:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:27:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:27:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:27:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:27:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:27:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:27:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:27:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:27:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:27:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:27:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:27:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:27:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:27:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:27:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:27:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:27:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:27:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:27:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:27:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:27:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:27:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:27:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:27:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:27:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:27:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:27:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:27:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:27:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:27:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:27:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:27:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:27:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:27:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:27:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:27:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:27:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:27:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:27:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:27:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:27:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:27:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:27:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:27:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:27:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:27:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:27:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:27:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:27:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:27:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:27:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:27:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:27:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:27:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:27:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:27:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:27:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:27:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:27:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:27:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 19:27:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:27:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:27:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-14 19:27:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-14 19:27:25,509 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:27:26,289 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:27:27,555 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:27:27,556 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 19:27:27,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:27:27 BoogieIcfgContainer [2019-01-14 19:27:27,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:27:27,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:27:27,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:27:27,563 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:27:27,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:27:23" (1/3) ... [2019-01-14 19:27:27,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f8c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:27:27, skipping insertion in model container [2019-01-14 19:27:27,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:27:24" (2/3) ... [2019-01-14 19:27:27,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f8c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:27:27, skipping insertion in model container [2019-01-14 19:27:27,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:27:27" (3/3) ... [2019-01-14 19:27:27,568 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1_true-valid-memsafety_true-termination.i [2019-01-14 19:27:27,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:27:27,584 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-01-14 19:27:27,602 INFO L257 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-01-14 19:27:27,628 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:27:27,628 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:27:27,629 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:27:27,629 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:27:27,629 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:27:27,629 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:27:27,629 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:27:27,629 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:27:27,629 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:27:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-01-14 19:27:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:27:27,657 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:27,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:27,661 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:27,666 INFO L82 PathProgramCache]: Analyzing trace with hash -989031348, now seen corresponding path program 1 times [2019-01-14 19:27:27,670 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:27,671 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 [2019-01-14 19:27:27,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:27,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:27,912 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 [2019-01-14 19:27:27,914 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:27,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:27,971 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 19:27:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:28,603 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:28,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:28,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:27:28,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:27:28,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:27:28,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:27:28,636 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 8 states. [2019-01-14 19:27:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:29,432 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2019-01-14 19:27:29,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:27:29,436 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-01-14 19:27:29,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:29,448 INFO L225 Difference]: With dead ends: 93 [2019-01-14 19:27:29,448 INFO L226 Difference]: Without dead ends: 90 [2019-01-14 19:27:29,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-14 19:27:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-01-14 19:27:29,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2019-01-14 19:27:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-14 19:27:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2019-01-14 19:27:29,505 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 16 [2019-01-14 19:27:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:29,506 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2019-01-14 19:27:29,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:27:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2019-01-14 19:27:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:27:29,508 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:29,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:29,509 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:29,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:29,510 INFO L82 PathProgramCache]: Analyzing trace with hash -989031349, now seen corresponding path program 1 times [2019-01-14 19:27:29,510 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:29,510 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 [2019-01-14 19:27:29,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:29,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:29,598 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 [2019-01-14 19:27:29,598 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:29,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:29,601 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:27:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:29,635 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:29,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:29,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:27:29,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:27:29,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:27:29,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:27:29,643 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 5 states. [2019-01-14 19:27:29,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:29,959 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2019-01-14 19:27:29,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:27:29,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-14 19:27:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:29,962 INFO L225 Difference]: With dead ends: 86 [2019-01-14 19:27:29,962 INFO L226 Difference]: Without dead ends: 86 [2019-01-14 19:27:29,963 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 [2019-01-14 19:27:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-01-14 19:27:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2019-01-14 19:27:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-14 19:27:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-01-14 19:27:29,977 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 16 [2019-01-14 19:27:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:29,977 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-01-14 19:27:29,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:27:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-01-14 19:27:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:27:29,978 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:29,978 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:29,979 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:29,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:29,980 INFO L82 PathProgramCache]: Analyzing trace with hash -101527667, now seen corresponding path program 1 times [2019-01-14 19:27:29,982 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:29,982 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 [2019-01-14 19:27:30,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:30,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:30,154 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:30,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:30,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:27:30,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:27:30,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:27:30,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:27:30,157 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 5 states. [2019-01-14 19:27:30,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:30,256 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2019-01-14 19:27:30,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:27:30,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-14 19:27:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:30,260 INFO L225 Difference]: With dead ends: 81 [2019-01-14 19:27:30,261 INFO L226 Difference]: Without dead ends: 81 [2019-01-14 19:27:30,263 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 [2019-01-14 19:27:30,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-14 19:27:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-14 19:27:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-14 19:27:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2019-01-14 19:27:30,282 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 16 [2019-01-14 19:27:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:30,282 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2019-01-14 19:27:30,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:27:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2019-01-14 19:27:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:27:30,283 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:30,283 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:30,284 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:30,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:30,284 INFO L82 PathProgramCache]: Analyzing trace with hash -594373904, now seen corresponding path program 1 times [2019-01-14 19:27:30,285 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:30,285 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 [2019-01-14 19:27:30,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:30,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:30,459 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:30,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:30,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:27:30,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:27:30,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:27:30,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:27:30,464 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 5 states. [2019-01-14 19:27:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:30,578 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2019-01-14 19:27:30,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:27:30,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-14 19:27:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:30,583 INFO L225 Difference]: With dead ends: 81 [2019-01-14 19:27:30,583 INFO L226 Difference]: Without dead ends: 81 [2019-01-14 19:27:30,583 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 [2019-01-14 19:27:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-14 19:27:30,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-14 19:27:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-14 19:27:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2019-01-14 19:27:30,591 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 17 [2019-01-14 19:27:30,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:30,591 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2019-01-14 19:27:30,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:27:30,591 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2019-01-14 19:27:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:27:30,592 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:30,592 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:30,593 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:30,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:30,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1148436431, now seen corresponding path program 1 times [2019-01-14 19:27:30,593 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:30,593 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 [2019-01-14 19:27:30,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:30,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:30,655 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:30,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:30,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:27:30,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:27:30,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:27:30,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:27:30,660 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 3 states. [2019-01-14 19:27:30,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:30,845 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions. [2019-01-14 19:27:30,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:27:30,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-14 19:27:30,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:30,848 INFO L225 Difference]: With dead ends: 117 [2019-01-14 19:27:30,848 INFO L226 Difference]: Without dead ends: 112 [2019-01-14 19:27:30,848 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 [2019-01-14 19:27:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-01-14 19:27:30,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 77. [2019-01-14 19:27:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-14 19:27:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2019-01-14 19:27:30,857 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 17 [2019-01-14 19:27:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:30,858 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2019-01-14 19:27:30,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:27:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2019-01-14 19:27:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-14 19:27:30,859 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:30,859 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:30,860 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:30,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:30,863 INFO L82 PathProgramCache]: Analyzing trace with hash -756866485, now seen corresponding path program 1 times [2019-01-14 19:27:30,864 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:30,864 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 [2019-01-14 19:27:30,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:30,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:30,982 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 [2019-01-14 19:27:30,983 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:30,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:30,991 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 19:27:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:31,205 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:32,809 WARN L181 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-01-14 19:27:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:33,158 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:27:33,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2019-01-14 19:27:33,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-14 19:27:33,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-14 19:27:33,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-01-14 19:27:33,160 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand 17 states. [2019-01-14 19:27:35,737 WARN L181 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 43 [2019-01-14 19:27:36,188 WARN L181 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-14 19:27:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:36,801 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2019-01-14 19:27:36,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-14 19:27:36,802 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 19 [2019-01-14 19:27:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:36,803 INFO L225 Difference]: With dead ends: 90 [2019-01-14 19:27:36,804 INFO L226 Difference]: Without dead ends: 90 [2019-01-14 19:27:36,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2019-01-14 19:27:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-01-14 19:27:36,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2019-01-14 19:27:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-01-14 19:27:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2019-01-14 19:27:36,811 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 19 [2019-01-14 19:27:36,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:36,811 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2019-01-14 19:27:36,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-14 19:27:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2019-01-14 19:27:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-14 19:27:36,812 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:36,813 INFO L402 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:36,815 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:36,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:36,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1854337932, now seen corresponding path program 2 times [2019-01-14 19:27:36,815 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:36,815 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 [2019-01-14 19:27:36,837 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-14 19:27:36,961 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-14 19:27:36,961 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:27:36,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:37,003 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 [2019-01-14 19:27:37,003 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:37,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:37,073 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 19:27:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:37,304 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:38,824 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-14 19:27:39,372 WARN L181 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-01-14 19:27:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:39,798 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:27:39,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2019-01-14 19:27:39,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-01-14 19:27:39,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-01-14 19:27:39,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2019-01-14 19:27:39,799 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand 23 states. [2019-01-14 19:27:41,555 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-01-14 19:27:41,909 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2019-01-14 19:27:42,175 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2019-01-14 19:27:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:43,686 INFO L93 Difference]: Finished difference Result 109 states and 125 transitions. [2019-01-14 19:27:43,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-01-14 19:27:43,687 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 28 [2019-01-14 19:27:43,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:43,689 INFO L225 Difference]: With dead ends: 109 [2019-01-14 19:27:43,689 INFO L226 Difference]: Without dead ends: 109 [2019-01-14 19:27:43,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=264, Invalid=996, Unknown=0, NotChecked=0, Total=1260 [2019-01-14 19:27:43,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-14 19:27:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104. [2019-01-14 19:27:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-14 19:27:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions. [2019-01-14 19:27:43,702 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 28 [2019-01-14 19:27:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:43,703 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 115 transitions. [2019-01-14 19:27:43,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-01-14 19:27:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2019-01-14 19:27:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-14 19:27:43,705 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:43,705 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] [2019-01-14 19:27:43,706 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:43,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:43,706 INFO L82 PathProgramCache]: Analyzing trace with hash 423162066, now seen corresponding path program 1 times [2019-01-14 19:27:43,706 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:43,707 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 [2019-01-14 19:27:43,724 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:27:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:43,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:43,992 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:44,270 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:27:44,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-01-14 19:27:44,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-14 19:27:44,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-14 19:27:44,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-01-14 19:27:44,272 INFO L87 Difference]: Start difference. First operand 104 states and 115 transitions. Second operand 16 states. [2019-01-14 19:27:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:44,993 INFO L93 Difference]: Finished difference Result 104 states and 110 transitions. [2019-01-14 19:27:44,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-14 19:27:44,994 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2019-01-14 19:27:44,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:44,995 INFO L225 Difference]: With dead ends: 104 [2019-01-14 19:27:44,995 INFO L226 Difference]: Without dead ends: 104 [2019-01-14 19:27:44,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2019-01-14 19:27:44,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-14 19:27:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-01-14 19:27:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-14 19:27:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2019-01-14 19:27:45,003 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 41 [2019-01-14 19:27:45,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:45,003 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2019-01-14 19:27:45,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-14 19:27:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2019-01-14 19:27:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-14 19:27:45,005 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:45,006 INFO L402 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:27:45,007 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:45,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:45,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1590141332, now seen corresponding path program 3 times [2019-01-14 19:27:45,010 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:45,010 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 [2019-01-14 19:27:45,034 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2019-01-14 19:27:45,430 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-01-14 19:27:45,431 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:27:45,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:46,051 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:27:48,550 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:27:48,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 38 [2019-01-14 19:27:48,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-01-14 19:27:48,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-01-14 19:27:48,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=1146, Unknown=0, NotChecked=0, Total=1406 [2019-01-14 19:27:48,552 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 38 states. [2019-01-14 19:27:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:50,791 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2019-01-14 19:27:50,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-01-14 19:27:50,792 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 46 [2019-01-14 19:27:50,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:50,793 INFO L225 Difference]: With dead ends: 101 [2019-01-14 19:27:50,793 INFO L226 Difference]: Without dead ends: 101 [2019-01-14 19:27:50,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 50 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=285, Invalid=1197, Unknown=0, NotChecked=0, Total=1482 [2019-01-14 19:27:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-01-14 19:27:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-01-14 19:27:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-14 19:27:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2019-01-14 19:27:50,800 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 46 [2019-01-14 19:27:50,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:50,802 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2019-01-14 19:27:50,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-01-14 19:27:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2019-01-14 19:27:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-14 19:27:50,804 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:50,804 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] [2019-01-14 19:27:50,805 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:50,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:50,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1163669773, now seen corresponding path program 2 times [2019-01-14 19:27:50,806 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:50,806 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 [2019-01-14 19:27:50,826 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-14 19:27:50,895 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-14 19:27:50,895 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 19:27:50,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-14 19:27:50,941 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:50,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:50,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:27:50,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:27:50,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:27:50,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:27:50,944 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand 5 states. [2019-01-14 19:27:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:51,079 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2019-01-14 19:27:51,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:27:51,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-01-14 19:27:51,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:51,084 INFO L225 Difference]: With dead ends: 130 [2019-01-14 19:27:51,084 INFO L226 Difference]: Without dead ends: 127 [2019-01-14 19:27:51,085 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 [2019-01-14 19:27:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-01-14 19:27:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2019-01-14 19:27:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-01-14 19:27:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-01-14 19:27:51,089 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 56 [2019-01-14 19:27:51,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:51,089 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-01-14 19:27:51,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:27:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-01-14 19:27:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-14 19:27:51,092 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:51,092 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] [2019-01-14 19:27:51,093 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:51,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:51,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1489292587, now seen corresponding path program 1 times [2019-01-14 19:27:51,093 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:51,094 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 [2019-01-14 19:27:51,112 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 19:27:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:51,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:51,545 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 [2019-01-14 19:27:51,546 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:51,560 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 [2019-01-14 19:27:51,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:51,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:51,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:27:52,786 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 [2019-01-14 19:27:52,829 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:27:52,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:27:52,860 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 [2019-01-14 19:27:52,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:52,893 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 [2019-01-14 19:27:52,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:52,912 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:52,912 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-14 19:27:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-14 19:27:52,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:53,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:27:53,397 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP 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 [2019-01-14 19:27:53,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:53,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:53,511 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 [2019-01-14 19:27:53,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:53,542 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 [2019-01-14 19:27:53,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:53,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:53,555 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:27:53,628 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:27:53,654 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 [2019-01-14 19:27:53,654 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:53,695 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:27:53,697 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:27:53,699 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 [2019-01-14 19:27:53,699 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:53,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:53,717 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:14 [2019-01-14 19:27:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-14 19:27:53,733 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:54,012 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:27:54,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2019-01-14 19:27:54,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-14 19:27:54,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-14 19:27:54,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=129, Unknown=2, NotChecked=22, Total=182 [2019-01-14 19:27:54,013 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 12 states. [2019-01-14 19:27:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:55,897 INFO L93 Difference]: Finished difference Result 190 states and 210 transitions. [2019-01-14 19:27:55,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-14 19:27:55,898 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2019-01-14 19:27:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:55,900 INFO L225 Difference]: With dead ends: 190 [2019-01-14 19:27:55,900 INFO L226 Difference]: Without dead ends: 190 [2019-01-14 19:27:55,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=62, Invalid=320, Unknown=2, NotChecked=36, Total=420 [2019-01-14 19:27:55,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-01-14 19:27:55,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 141. [2019-01-14 19:27:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-01-14 19:27:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 173 transitions. [2019-01-14 19:27:55,908 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 173 transitions. Word has length 56 [2019-01-14 19:27:55,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:55,908 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 173 transitions. [2019-01-14 19:27:55,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-14 19:27:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2019-01-14 19:27:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-14 19:27:55,911 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:55,912 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] [2019-01-14 19:27:55,912 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:55,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1489292588, now seen corresponding path program 1 times [2019-01-14 19:27:55,913 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:55,913 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:27:55,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:56,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:56,245 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 [2019-01-14 19:27:56,246 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:56,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:27:56,252 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:27:56,723 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 [2019-01-14 19:27:56,729 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2019-01-14 19:27:56,729 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:27:56,736 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. [2019-01-14 19:27:56,736 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-14 19:27:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2019-01-14 19:27:56,753 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:27:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-01-14 19:27:57,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 19:27:57,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2019-01-14 19:27:57,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 19:27:57,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 19:27:57,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=7, NotChecked=14, Total=90 [2019-01-14 19:27:57,168 INFO L87 Difference]: Start difference. First operand 141 states and 173 transitions. Second operand 10 states. [2019-01-14 19:27:58,414 WARN L181 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 23 DAG size of output: 13 [2019-01-14 19:27:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:59,185 INFO L93 Difference]: Finished difference Result 187 states and 229 transitions. [2019-01-14 19:27:59,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:27:59,186 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-01-14 19:27:59,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:59,188 INFO L225 Difference]: With dead ends: 187 [2019-01-14 19:27:59,188 INFO L226 Difference]: Without dead ends: 187 [2019-01-14 19:27:59,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 101 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=153, Unknown=13, NotChecked=26, Total=240 [2019-01-14 19:27:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-01-14 19:27:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 127. [2019-01-14 19:27:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-01-14 19:27:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-01-14 19:27:59,196 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 56 [2019-01-14 19:27:59,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:59,197 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-01-14 19:27:59,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 19:27:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-01-14 19:27:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-14 19:27:59,199 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:59,199 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] [2019-01-14 19:27:59,201 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:59,201 INFO L82 PathProgramCache]: Analyzing trace with hash -986111743, now seen corresponding path program 1 times [2019-01-14 19:27:59,201 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:59,201 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 [2019-01-14 19:27:59,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:59,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-01-14 19:27:59,340 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 [2019-01-14 19:27:59,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:59,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:27:59,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:27:59,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:27:59,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:27:59,343 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2019-01-14 19:27:59,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:27:59,499 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2019-01-14 19:27:59,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:27:59,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-14 19:27:59,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:27:59,503 INFO L225 Difference]: With dead ends: 139 [2019-01-14 19:27:59,503 INFO L226 Difference]: Without dead ends: 139 [2019-01-14 19:27:59,503 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 [2019-01-14 19:27:59,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-01-14 19:27:59,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 129. [2019-01-14 19:27:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-01-14 19:27:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 147 transitions. [2019-01-14 19:27:59,509 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 147 transitions. Word has length 58 [2019-01-14 19:27:59,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:27:59,510 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 147 transitions. [2019-01-14 19:27:59,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:27:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2019-01-14 19:27:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-14 19:27:59,511 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:27:59,511 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] [2019-01-14 19:27:59,512 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:27:59,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:27:59,512 INFO L82 PathProgramCache]: Analyzing trace with hash 756698592, now seen corresponding path program 1 times [2019-01-14 19:27:59,512 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:27:59,512 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 [2019-01-14 19:27:59,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:27:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:27:59,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:27:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:27:59,879 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:27:59,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:27:59,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:27:59,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:27:59,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:27:59,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:27:59,885 INFO L87 Difference]: Start difference. First operand 129 states and 147 transitions. Second operand 4 states. [2019-01-14 19:28:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:28:00,023 INFO L93 Difference]: Finished difference Result 136 states and 154 transitions. [2019-01-14 19:28:00,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 19:28:00,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-01-14 19:28:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:28:00,025 INFO L225 Difference]: With dead ends: 136 [2019-01-14 19:28:00,025 INFO L226 Difference]: Without dead ends: 136 [2019-01-14 19:28:00,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:28:00,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-01-14 19:28:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 131. [2019-01-14 19:28:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-01-14 19:28:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 149 transitions. [2019-01-14 19:28:00,031 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 149 transitions. Word has length 58 [2019-01-14 19:28:00,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:28:00,031 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 149 transitions. [2019-01-14 19:28:00,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:28:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 149 transitions. [2019-01-14 19:28:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-14 19:28:00,033 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:28:00,033 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] [2019-01-14 19:28:00,033 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:28:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:28:00,034 INFO L82 PathProgramCache]: Analyzing trace with hash 908532921, now seen corresponding path program 1 times [2019-01-14 19:28:00,034 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:28:00,034 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 [2019-01-14 19:28:00,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:00,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:00,272 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 [2019-01-14 19:28:00,272 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:00,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:00,274 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:28:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-14 19:28:00,706 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:01,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:28:01,026 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 [2019-01-14 19:28:01,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:01,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:01,104 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 [2019-01-14 19:28:01,105 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:01,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:01,107 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:28:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-14 19:28:01,118 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:01,257 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:28:01,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2019-01-14 19:28:01,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:28:01,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:28:01,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=50, Unknown=6, NotChecked=0, Total=72 [2019-01-14 19:28:01,258 INFO L87 Difference]: Start difference. First operand 131 states and 149 transitions. Second operand 8 states. [2019-01-14 19:28:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:28:01,844 INFO L93 Difference]: Finished difference Result 162 states and 178 transitions. [2019-01-14 19:28:01,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:28:01,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2019-01-14 19:28:01,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:28:01,846 INFO L225 Difference]: With dead ends: 162 [2019-01-14 19:28:01,847 INFO L226 Difference]: Without dead ends: 162 [2019-01-14 19:28:01,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=89, Unknown=9, NotChecked=0, Total=132 [2019-01-14 19:28:01,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-01-14 19:28:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 136. [2019-01-14 19:28:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-01-14 19:28:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 155 transitions. [2019-01-14 19:28:01,854 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 155 transitions. Word has length 65 [2019-01-14 19:28:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:28:01,855 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 155 transitions. [2019-01-14 19:28:01,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:28:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2019-01-14 19:28:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-14 19:28:01,857 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:28:01,857 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] [2019-01-14 19:28:01,858 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:28:01,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:28:01,858 INFO L82 PathProgramCache]: Analyzing trace with hash 908532922, now seen corresponding path program 1 times [2019-01-14 19:28:01,858 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:28:01,858 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 [2019-01-14 19:28:01,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:02,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:02,130 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 [2019-01-14 19:28:02,131 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:02,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:02,140 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 19:28:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-14 19:28:02,261 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:02,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:28:02,634 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 [2019-01-14 19:28:02,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:02,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:02,724 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 [2019-01-14 19:28:02,724 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:02,761 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:02,761 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 19:28:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-01-14 19:28:02,775 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:03,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:28:03,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-01-14 19:28:03,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 19:28:03,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 19:28:03,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-01-14 19:28:03,226 INFO L87 Difference]: Start difference. First operand 136 states and 155 transitions. Second operand 10 states. [2019-01-14 19:28:04,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:28:04,389 INFO L93 Difference]: Finished difference Result 188 states and 208 transitions. [2019-01-14 19:28:04,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-14 19:28:04,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2019-01-14 19:28:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:28:04,392 INFO L225 Difference]: With dead ends: 188 [2019-01-14 19:28:04,392 INFO L226 Difference]: Without dead ends: 188 [2019-01-14 19:28:04,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:28:04,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-01-14 19:28:04,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 158. [2019-01-14 19:28:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-01-14 19:28:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2019-01-14 19:28:04,402 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 190 transitions. Word has length 65 [2019-01-14 19:28:04,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:28:04,402 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 190 transitions. [2019-01-14 19:28:04,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 19:28:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2019-01-14 19:28:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-14 19:28:04,403 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:28:04,403 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] [2019-01-14 19:28:04,406 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:28:04,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:28:04,408 INFO L82 PathProgramCache]: Analyzing trace with hash 705045801, now seen corresponding path program 1 times [2019-01-14 19:28:04,409 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:28:04,409 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 [2019-01-14 19:28:04,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:04,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:28:04,734 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:04,861 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-01-14 19:28:04,863 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:28:04,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-01-14 19:28:04,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-14 19:28:04,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-14 19:28:04,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:28:04,866 INFO L87 Difference]: Start difference. First operand 158 states and 190 transitions. Second operand 9 states. [2019-01-14 19:28:05,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:28:05,106 INFO L93 Difference]: Finished difference Result 220 states and 268 transitions. [2019-01-14 19:28:05,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-14 19:28:05,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-01-14 19:28:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:28:05,109 INFO L225 Difference]: With dead ends: 220 [2019-01-14 19:28:05,110 INFO L226 Difference]: Without dead ends: 214 [2019-01-14 19:28:05,110 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 [2019-01-14 19:28:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-01-14 19:28:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 162. [2019-01-14 19:28:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-01-14 19:28:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions. [2019-01-14 19:28:05,116 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 66 [2019-01-14 19:28:05,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:28:05,116 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions. [2019-01-14 19:28:05,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-14 19:28:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions. [2019-01-14 19:28:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-14 19:28:05,117 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:28:05,117 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] [2019-01-14 19:28:05,118 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:28:05,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:28:05,118 INFO L82 PathProgramCache]: Analyzing trace with hash 379422987, now seen corresponding path program 1 times [2019-01-14 19:28:05,123 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:28:05,123 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 [2019-01-14 19:28:05,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:05,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:05,628 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 [2019-01-14 19:28:05,629 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:05,642 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 [2019-01-14 19:28:05,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:05,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:05,652 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:28:07,016 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 [2019-01-14 19:28:07,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:07,026 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 [2019-01-14 19:28:07,027 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,054 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:07,056 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:07,057 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 [2019-01-14 19:28:07,057 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,074 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-14 19:28:07,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:07,169 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 [2019-01-14 19:28:07,170 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,196 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:07,197 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:07,198 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 [2019-01-14 19:28:07,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,216 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:16 [2019-01-14 19:28:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2019-01-14 19:28:07,337 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:07,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:28:07,837 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 [2019-01-14 19:28:07,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:07,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:07,952 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 [2019-01-14 19:28:07,952 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,967 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 [2019-01-14 19:28:07,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:07,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:28:08,038 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:08,064 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 [2019-01-14 19:28:08,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:08,105 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:08,107 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:08,108 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 [2019-01-14 19:28:08,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:08,127 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:08,127 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-14 19:28:08,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:08,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:08,170 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 [2019-01-14 19:28:08,171 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:08,197 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 [2019-01-14 19:28:08,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:08,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:08,217 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:16 [2019-01-14 19:28:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 4 not checked. [2019-01-14 19:28:08,232 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:08,515 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:28:08,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2019-01-14 19:28:08,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-14 19:28:08,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-14 19:28:08,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=176, Unknown=1, NotChecked=26, Total=240 [2019-01-14 19:28:08,516 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand 14 states. [2019-01-14 19:28:11,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:28:11,107 INFO L93 Difference]: Finished difference Result 243 states and 292 transitions. [2019-01-14 19:28:11,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-14 19:28:11,109 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2019-01-14 19:28:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:28:11,110 INFO L225 Difference]: With dead ends: 243 [2019-01-14 19:28:11,111 INFO L226 Difference]: Without dead ends: 243 [2019-01-14 19:28:11,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=79, Invalid=430, Unknown=1, NotChecked=42, Total=552 [2019-01-14 19:28:11,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-01-14 19:28:11,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 172. [2019-01-14 19:28:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-14 19:28:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 210 transitions. [2019-01-14 19:28:11,119 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 210 transitions. Word has length 66 [2019-01-14 19:28:11,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:28:11,119 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 210 transitions. [2019-01-14 19:28:11,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-14 19:28:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 210 transitions. [2019-01-14 19:28:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-14 19:28:11,122 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:28:11,122 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] [2019-01-14 19:28:11,123 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:28:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:28:11,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1900250148, now seen corresponding path program 1 times [2019-01-14 19:28:11,124 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:28:11,124 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 [2019-01-14 19:28:11,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:11,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:11,476 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 [2019-01-14 19:28:11,479 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 [2019-01-14 19:28:11,480 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,483 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-01-14 19:28:11,537 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2019-01-14 19:28:11,562 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,563 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 18 treesize of output 27 [2019-01-14 19:28:11,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-01-14 19:28:11,644 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 32 treesize of output 25 [2019-01-14 19:28:11,650 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,653 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,655 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 25 treesize of output 52 [2019-01-14 19:28:11,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,689 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-01-14 19:28:11,774 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 [2019-01-14 19:28:11,779 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,780 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,781 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,784 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,785 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,786 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,787 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 32 treesize of output 85 [2019-01-14 19:28:11,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:11,833 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-01-14 19:28:11,936 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 39 [2019-01-14 19:28:11,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,949 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,953 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,956 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,958 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,960 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,963 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,965 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,967 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:11,968 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 [2019-01-14 19:28:11,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2019-01-14 19:28:12,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 46 [2019-01-14 19:28:12,173 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,174 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,178 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,184 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,187 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,190 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,193 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,196 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,200 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,204 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,207 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,209 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,214 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,216 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 46 treesize of output 175 [2019-01-14 19:28:12,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,327 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:65, output treesize:61 [2019-01-14 19:28:12,487 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 68 treesize of output 53 [2019-01-14 19:28:12,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,505 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,512 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,531 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,535 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,538 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,542 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,545 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,549 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,557 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,574 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,575 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 53 treesize of output 232 [2019-01-14 19:28:12,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,635 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:12,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-01-14 19:28:12,850 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 77 treesize of output 60 [2019-01-14 19:28:12,860 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,869 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,872 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,877 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,881 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,886 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,898 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,906 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,914 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,917 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,922 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,931 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,935 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,940 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,949 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,953 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,957 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,960 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,965 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,968 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,973 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:12,974 INFO L303 Elim1Store]: Index analysis took 121 ms [2019-01-14 19:28:12,976 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 60 treesize of output 297 [2019-01-14 19:28:12,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:13,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:13,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:13,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:83, output treesize:79 [2019-01-14 19:28:13,332 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 [2019-01-14 19:28:13,344 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,348 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,352 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,357 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,362 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,367 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,371 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,375 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,379 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,385 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,394 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,399 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,405 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,409 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,418 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,421 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,425 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,430 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,434 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,444 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,455 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,459 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,473 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,478 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,487 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,491 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,496 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,500 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,504 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:13,505 INFO L303 Elim1Store]: Index analysis took 171 ms [2019-01-14 19:28:13,506 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 [2019-01-14 19:28:13,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:13,725 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:13,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:13,775 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2019-01-14 19:28:14,015 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 [2019-01-14 19:28:14,020 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,021 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,028 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,031 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,032 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,035 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,037 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,038 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,040 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,041 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,043 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,044 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,046 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,048 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,049 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,051 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,052 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,053 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,055 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,056 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,057 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,059 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,061 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,063 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,064 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,065 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,067 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,068 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,069 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,071 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,072 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,073 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,075 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,076 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,077 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,079 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:14,082 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 [2019-01-14 19:28:14,083 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:14,243 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:14,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:14,294 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-01-14 19:28:14,665 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 [2019-01-14 19:28:14,673 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 [2019-01-14 19:28:14,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:14,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:14,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:14,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:3 [2019-01-14 19:28:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:28:14,813 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:15,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:28:15,104 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 [2019-01-14 19:28:15,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:28:15,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:28:15,354 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 [2019-01-14 19:28:15,355 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,363 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 19:28:15,624 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 [2019-01-14 19:28:15,628 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 [2019-01-14 19:28:15,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,631 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,644 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,644 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-01-14 19:28:15,852 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2019-01-14 19:28:15,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:15,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2019-01-14 19:28:15,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,867 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:15,886 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-01-14 19:28:16,425 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 [2019-01-14 19:28:16,426 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,460 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 [2019-01-14 19:28:16,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,469 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,470 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 [2019-01-14 19:28:16,471 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,487 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,500 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:29 [2019-01-14 19:28:16,599 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 [2019-01-14 19:28:16,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,619 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,621 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,627 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 [2019-01-14 19:28:16,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,671 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. [2019-01-14 19:28:16,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:16,802 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 [2019-01-14 19:28:16,809 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,812 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,817 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,823 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 [2019-01-14 19:28:16,824 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:16,869 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. [2019-01-14 19:28:16,869 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:16,994 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 [2019-01-14 19:28:16,998 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:16,999 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,002 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,007 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 [2019-01-14 19:28:17,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,028 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,048 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. [2019-01-14 19:28:17,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:17,180 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 [2019-01-14 19:28:17,186 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,189 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,193 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,199 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 [2019-01-14 19:28:17,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,240 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. [2019-01-14 19:28:17,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:17,365 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 [2019-01-14 19:28:17,371 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,373 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,377 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,385 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 [2019-01-14 19:28:17,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,427 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. [2019-01-14 19:28:17,427 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:17,555 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 [2019-01-14 19:28:17,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,569 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,578 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 [2019-01-14 19:28:17,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,640 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. [2019-01-14 19:28:17,640 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:17,763 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 [2019-01-14 19:28:17,768 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,770 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:28:17,784 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 [2019-01-14 19:28:17,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:17,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-14 19:28:17,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2019-01-14 19:28:18,123 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 [2019-01-14 19:28:18,128 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 [2019-01-14 19:28:18,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:28:18,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:18,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:28:18,133 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2019-01-14 19:28:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-14 19:28:18,147 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:28:18,261 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:28:18,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 16] total 41 [2019-01-14 19:28:18,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-01-14 19:28:18,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-01-14 19:28:18,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1883, Unknown=0, NotChecked=0, Total=2070 [2019-01-14 19:28:18,264 INFO L87 Difference]: Start difference. First operand 172 states and 210 transitions. Second operand 42 states. [2019-01-14 19:28:25,247 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-01-14 19:28:25,528 WARN L181 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-01-14 19:28:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:28:26,915 INFO L93 Difference]: Finished difference Result 211 states and 252 transitions. [2019-01-14 19:28:26,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-01-14 19:28:26,925 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 66 [2019-01-14 19:28:26,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:28:26,926 INFO L225 Difference]: With dead ends: 211 [2019-01-14 19:28:26,926 INFO L226 Difference]: Without dead ends: 211 [2019-01-14 19:28:26,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 109 SyntacticMatches, 8 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2033 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=507, Invalid=5813, Unknown=0, NotChecked=0, Total=6320 [2019-01-14 19:28:26,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-01-14 19:28:26,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 191. [2019-01-14 19:28:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-01-14 19:28:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 236 transitions. [2019-01-14 19:28:26,939 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 236 transitions. Word has length 66 [2019-01-14 19:28:26,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:28:26,942 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 236 transitions. [2019-01-14 19:28:26,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-01-14 19:28:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 236 transitions. [2019-01-14 19:28:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-14 19:28:26,943 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:28:26,943 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] [2019-01-14 19:28:26,947 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-14 19:28:26,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:28:26,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1221787993, now seen corresponding path program 1 times [2019-01-14 19:28:26,948 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:28:26,948 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 [2019-01-14 19:28:26,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:28:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:28:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:28:28,592 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:28:28,624 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# [2019-01-14 19:28:28,625 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# [2019-01-14 19:28:28,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:28:28 BoogieIcfgContainer [2019-01-14 19:28:28,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:28:28,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:28:28,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:28:28,650 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:28:28,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:27:27" (3/4) ... [2019-01-14 19:28:28,657 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 19:28:28,673 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# [2019-01-14 19:28:28,674 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# [2019-01-14 19:28:28,761 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 19:28:28,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:28:28,762 INFO L168 Benchmark]: Toolchain (without parser) took 65114.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 402.1 MB). Free memory was 947.3 MB in the beginning and 876.9 MB in the end (delta: 70.4 MB). Peak memory consumption was 472.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:28:28,762 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. [2019-01-14 19:28:28,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2019-01-14 19:28:28,766 INFO L168 Benchmark]: Boogie Preprocessor took 126.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:28:28,766 INFO L168 Benchmark]: RCFGBuilder took 2965.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. [2019-01-14 19:28:28,766 INFO L168 Benchmark]: TraceAbstraction took 61089.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.8 MB). Free memory was 994.5 MB in the beginning and 888.0 MB in the end (delta: 106.5 MB). Peak memory consumption was 361.3 MB. Max. memory is 11.5 GB. [2019-01-14 19:28:28,767 INFO L168 Benchmark]: Witness Printer took 111.02 ms. Allocated memory is still 1.4 GB. Free memory was 888.0 MB in the beginning and 876.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-01-14 19:28:28,771 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 816.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2965.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 61089.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.8 MB). Free memory was 994.5 MB in the beginning and 888.0 MB in the end (delta: 106.5 MB). Peak memory consumption was 361.3 MB. Max. memory is 11.5 GB. * Witness Printer took 111.02 ms. Allocated memory is still 1.4 GB. Free memory was 888.0 MB in the beginning and 876.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 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}] [L1479] 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 TRUE \read(**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