./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.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 f9e4b987fddd5be88447132dcb5136b5a374e8f5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 14:36:34,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 14:36:34,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 14:36:34,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 14:36:34,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 14:36:34,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 14:36:34,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 14:36:34,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 14:36:34,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 14:36:34,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 14:36:34,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 14:36:34,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 14:36:34,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 14:36:34,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 14:36:34,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 14:36:34,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 14:36:34,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 14:36:34,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 14:36:34,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 14:36:34,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 14:36:34,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 14:36:34,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 14:36:34,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 14:36:34,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 14:36:34,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 14:36:34,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 14:36:34,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 14:36:34,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 14:36:34,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 14:36:34,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 14:36:34,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 14:36:34,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 14:36:34,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 14:36:34,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 14:36:34,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 14:36:34,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 14:36:34,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 14:36:34,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 14:36:34,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 14:36:34,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 14:36:34,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 14:36:34,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 14:36:34,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 14:36:34,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 14:36:34,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 14:36:34,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 14:36:34,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 14:36:34,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 14:36:34,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 14:36:34,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 14:36:34,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 14:36:34,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 14:36:34,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 14:36:34,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 14:36:34,328 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 14:36:34,328 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 14:36:34,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 14:36:34,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 14:36:34,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 14:36:34,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 14:36:34,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 14:36:34,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 14:36:34,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 14:36:34,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 14:36:34,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 14:36:34,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 14:36:34,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 14:36:34,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 14:36:34,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 14:36:34,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 14:36:34,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 14:36:34,333 INFO L138 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 -> f9e4b987fddd5be88447132dcb5136b5a374e8f5 [2019-11-21 14:36:34,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 14:36:34,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 14:36:34,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 14:36:34,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 14:36:34,745 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 14:36:34,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-21 14:36:34,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5202bbd/7afd70df5e38418992830f2e8ee5c47e/FLAGc83354857 [2019-11-21 14:36:35,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 14:36:35,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-21 14:36:35,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5202bbd/7afd70df5e38418992830f2e8ee5c47e/FLAGc83354857 [2019-11-21 14:36:35,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5202bbd/7afd70df5e38418992830f2e8ee5c47e [2019-11-21 14:36:35,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 14:36:35,680 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 14:36:35,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 14:36:35,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 14:36:35,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 14:36:35,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:36:35" (1/1) ... [2019-11-21 14:36:35,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d183b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:35, skipping insertion in model container [2019-11-21 14:36:35,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:36:35" (1/1) ... [2019-11-21 14:36:35,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 14:36:35,781 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 14:36:36,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 14:36:36,307 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 14:36:36,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 14:36:36,521 INFO L205 MainTranslator]: Completed translation [2019-11-21 14:36:36,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36 WrapperNode [2019-11-21 14:36:36,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 14:36:36,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 14:36:36,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 14:36:36,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 14:36:36,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (1/1) ... [2019-11-21 14:36:36,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 14:36:36,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 14:36:36,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 14:36:36,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 14:36:36,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (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 [2019-11-21 14:36:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 14:36:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 14:36:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 14:36:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 14:36:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 14:36:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 14:36:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 14:36:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 14:36:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 14:36:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 14:36:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 14:36:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 14:36:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 14:36:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 14:36:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 14:36:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 14:36:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 14:36:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 14:36:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 14:36:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 14:36:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 14:36:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 14:36:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 14:36:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 14:36:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 14:36:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 14:36:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 14:36:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 14:36:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 14:36:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 14:36:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 14:36:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 14:36:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 14:36:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 14:36:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 14:36:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 14:36:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 14:36:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 14:36:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 14:36:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 14:36:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 14:36:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 14:36:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 14:36:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 14:36:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 14:36:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 14:36:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 14:36:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 14:36:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 14:36:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 14:36:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 14:36:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 14:36:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 14:36:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 14:36:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 14:36:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 14:36:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 14:36:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 14:36:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 14:36:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 14:36:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 14:36:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 14:36:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 14:36:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 14:36:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 14:36:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 14:36:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 14:36:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 14:36:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 14:36:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 14:36:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 14:36:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 14:36:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 14:36:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 14:36:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 14:36:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 14:36:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 14:36:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 14:36:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 14:36:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 14:36:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 14:36:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 14:36:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 14:36:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 14:36:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 14:36:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 14:36:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 14:36:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 14:36:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 14:36:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 14:36:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 14:36:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 14:36:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 14:36:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 14:36:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 14:36:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 14:36:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 14:36:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 14:36:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 14:36:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 14:36:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 14:36:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 14:36:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 14:36:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 14:36:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 14:36:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 14:36:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 14:36:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 14:36:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 14:36:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 14:36:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 14:36:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 14:36:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 14:36:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 14:36:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 14:36:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 14:36:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 14:36:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 14:36:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 14:36:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 14:36:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 14:36:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 14:36:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 14:36:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 14:36:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 14:36:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 14:36:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 14:36:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 14:36:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 14:36:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 14:36:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 14:36:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 14:36:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 14:36:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 14:36:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 14:36:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 14:36:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 14:36:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 14:36:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 14:36:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 14:36:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 14:36:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 14:36:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 14:36:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 14:36:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 14:36:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 14:36:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 14:36:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 14:36:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 14:36:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 14:36:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 14:36:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 14:36:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 14:36:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 14:36:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 14:36:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 14:36:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 14:36:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 14:36:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 14:36:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 14:36:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 14:36:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 14:36:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 14:36:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 14:36:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 14:36:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 14:36:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 14:36:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 14:36:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 14:36:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 14:36:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 14:36:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 14:36:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 14:36:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 14:36:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 14:36:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 14:36:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 14:36:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 14:36:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 14:36:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 14:36:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 14:36:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 14:36:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 14:36:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-21 14:36:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-21 14:36:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 14:36:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 14:36:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 14:36:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 14:36:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 14:36:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 14:36:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 14:36:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 14:36:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 14:36:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 14:36:37,425 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 14:36:37,865 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 14:36:38,244 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 14:36:38,245 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 14:36:38,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:36:38 BoogieIcfgContainer [2019-11-21 14:36:38,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 14:36:38,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 14:36:38,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 14:36:38,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 14:36:38,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:36:35" (1/3) ... [2019-11-21 14:36:38,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4641cacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:36:38, skipping insertion in model container [2019-11-21 14:36:38,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:36:36" (2/3) ... [2019-11-21 14:36:38,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4641cacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:36:38, skipping insertion in model container [2019-11-21 14:36:38,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:36:38" (3/3) ... [2019-11-21 14:36:38,261 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-21 14:36:38,272 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 14:36:38,282 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 14:36:38,294 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 14:36:38,317 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 14:36:38,317 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 14:36:38,318 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 14:36:38,318 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 14:36:38,318 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 14:36:38,318 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 14:36:38,318 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 14:36:38,319 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 14:36:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-21 14:36:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-21 14:36:38,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:38,350 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:38,351 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:38,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:38,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2014676828, now seen corresponding path program 1 times [2019-11-21 14:36:38,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:38,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1730246859] [2019-11-21 14:36:38,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:38,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 14:36:38,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:38,894 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:39,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1730246859] [2019-11-21 14:36:39,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:39,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-21 14:36:39,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389800137] [2019-11-21 14:36:39,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-21 14:36:39,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-21 14:36:39,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-21 14:36:39,054 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-21 14:36:39,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:39,224 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-21 14:36:39,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-21 14:36:39,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-21 14:36:39,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:39,248 INFO L225 Difference]: With dead ends: 49 [2019-11-21 14:36:39,250 INFO L226 Difference]: Without dead ends: 46 [2019-11-21 14:36:39,253 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-21 14:36:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-21 14:36:39,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-21 14:36:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 14:36:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-21 14:36:39,314 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-21 14:36:39,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:39,314 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-21 14:36:39,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-21 14:36:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-21 14:36:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 14:36:39,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:39,317 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:39,528 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:39,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:39,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:39,530 INFO L82 PathProgramCache]: Analyzing trace with hash -403053589, now seen corresponding path program 1 times [2019-11-21 14:36:39,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:39,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [344337422] [2019-11-21 14:36:39,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:39,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 14:36:39,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:39,822 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:39,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [344337422] [2019-11-21 14:36:39,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:39,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 14:36:39,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896491954] [2019-11-21 14:36:39,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 14:36:39,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:39,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 14:36:39,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 14:36:39,924 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-21 14:36:39,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:39,989 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-21 14:36:39,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 14:36:39,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-21 14:36:39,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:39,993 INFO L225 Difference]: With dead ends: 54 [2019-11-21 14:36:39,993 INFO L226 Difference]: Without dead ends: 43 [2019-11-21 14:36:39,994 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 14:36:39,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-21 14:36:40,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-21 14:36:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-21 14:36:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-21 14:36:40,019 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-21 14:36:40,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:40,019 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-21 14:36:40,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 14:36:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-21 14:36:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 14:36:40,021 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:40,021 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:40,225 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:40,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:40,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:40,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2095495713, now seen corresponding path program 1 times [2019-11-21 14:36:40,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:40,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1464402002] [2019-11-21 14:36:40,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:40,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 14:36:40,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:40,538 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:40,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1464402002] [2019-11-21 14:36:40,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:40,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 14:36:40,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012128635] [2019-11-21 14:36:40,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 14:36:40,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:40,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 14:36:40,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 14:36:40,642 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-21 14:36:40,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:40,704 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-21 14:36:40,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 14:36:40,705 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-21 14:36:40,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:40,707 INFO L225 Difference]: With dead ends: 42 [2019-11-21 14:36:40,707 INFO L226 Difference]: Without dead ends: 42 [2019-11-21 14:36:40,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 14:36:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-21 14:36:40,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-21 14:36:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 14:36:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-21 14:36:40,715 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-21 14:36:40,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:40,716 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-21 14:36:40,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 14:36:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-21 14:36:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 14:36:40,717 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:40,717 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:40,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:40,928 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:40,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:40,928 INFO L82 PathProgramCache]: Analyzing trace with hash 535858040, now seen corresponding path program 1 times [2019-11-21 14:36:40,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:40,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1119588443] [2019-11-21 14:36:40,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:41,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 14:36:41,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:41,366 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:41,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1119588443] [2019-11-21 14:36:41,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:41,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-21 14:36:41,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356652787] [2019-11-21 14:36:41,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 14:36:41,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:41,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 14:36:41,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-21 14:36:41,633 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-21 14:36:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:41,984 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-11-21 14:36:41,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 14:36:41,985 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-21 14:36:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:41,986 INFO L225 Difference]: With dead ends: 41 [2019-11-21 14:36:41,986 INFO L226 Difference]: Without dead ends: 41 [2019-11-21 14:36:41,987 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-21 14:36:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-21 14:36:41,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-21 14:36:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-21 14:36:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2019-11-21 14:36:41,994 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 24 [2019-11-21 14:36:41,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:41,995 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2019-11-21 14:36:41,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 14:36:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2019-11-21 14:36:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 14:36:41,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:41,997 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:42,197 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:42,198 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:42,199 INFO L82 PathProgramCache]: Analyzing trace with hash -568269565, now seen corresponding path program 1 times [2019-11-21 14:36:42,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:42,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [505371378] [2019-11-21 14:36:42,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:42,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-21 14:36:42,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:42,505 INFO L377 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 [2019-11-21 14:36:42,506 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:36:42,511 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:36:42,512 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 14:36:42,512 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 14:36:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:42,593 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:42,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [505371378] [2019-11-21 14:36:42,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:42,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 14:36:42,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216159555] [2019-11-21 14:36:42,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 14:36:42,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:42,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 14:36:42,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 14:36:42,722 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 9 states. [2019-11-21 14:36:42,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:42,882 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2019-11-21 14:36:42,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 14:36:42,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-21 14:36:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:42,884 INFO L225 Difference]: With dead ends: 50 [2019-11-21 14:36:42,884 INFO L226 Difference]: Without dead ends: 48 [2019-11-21 14:36:42,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 14:36:42,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-21 14:36:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-11-21 14:36:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-21 14:36:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-21 14:36:42,891 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 25 [2019-11-21 14:36:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:42,892 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-21 14:36:42,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 14:36:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-21 14:36:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 14:36:42,893 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:42,893 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:43,103 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:43,106 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:43,107 INFO L82 PathProgramCache]: Analyzing trace with hash -861672572, now seen corresponding path program 1 times [2019-11-21 14:36:43,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:43,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [9653643] [2019-11-21 14:36:43,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:43,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 14:36:43,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:43,410 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:43,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [9653643] [2019-11-21 14:36:43,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:43,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 14:36:43,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56835883] [2019-11-21 14:36:43,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 14:36:43,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:43,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 14:36:43,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 14:36:43,479 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-21 14:36:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:43,569 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-11-21 14:36:43,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 14:36:43,570 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-21 14:36:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:43,572 INFO L225 Difference]: With dead ends: 49 [2019-11-21 14:36:43,572 INFO L226 Difference]: Without dead ends: 49 [2019-11-21 14:36:43,572 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 14:36:43,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-21 14:36:43,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2019-11-21 14:36:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-21 14:36:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-21 14:36:43,583 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-21 14:36:43,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:43,585 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-21 14:36:43,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 14:36:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-21 14:36:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 14:36:43,586 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:43,586 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:43,787 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:43,788 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:43,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:43,789 INFO L82 PathProgramCache]: Analyzing trace with hash -407229392, now seen corresponding path program 1 times [2019-11-21 14:36:43,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:43,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1222658694] [2019-11-21 14:36:43,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:44,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 14:36:44,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:44,075 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:44,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1222658694] [2019-11-21 14:36:44,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:36:44,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-21 14:36:44,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934841203] [2019-11-21 14:36:44,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 14:36:44,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:36:44,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 14:36:44,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-21 14:36:44,285 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-21 14:36:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:36:44,352 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-21 14:36:44,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 14:36:44,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-21 14:36:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:36:44,354 INFO L225 Difference]: With dead ends: 47 [2019-11-21 14:36:44,354 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 14:36:44,355 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-21 14:36:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 14:36:44,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-21 14:36:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-21 14:36:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-21 14:36:44,358 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-21 14:36:44,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:36:44,359 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-21 14:36:44,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 14:36:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-21 14:36:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-21 14:36:44,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:36:44,360 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:36:44,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:44,561 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 14:36:44,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:36:44,562 INFO L82 PathProgramCache]: Analyzing trace with hash -692987797, now seen corresponding path program 1 times [2019-11-21 14:36:44,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:36:44,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1707543534] [2019-11-21 14:36:44,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 14:36:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:36:44,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-21 14:36:44,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:36:44,842 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:36:44,843 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 14:36:44,845 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:36:44,863 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 14:36:44,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:36:44,867 INFO L496 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. [2019-11-21 14:36:44,867 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 14:36:44,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:36:44,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:36:44,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:36:44,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:36:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:36:53,201 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:36:59,645 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:36:59,647 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 14:36:59,653 INFO L168 Benchmark]: Toolchain (without parser) took 23972.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.8 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -206.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2019-11-21 14:36:59,653 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 14:36:59,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-21 14:36:59,655 INFO L168 Benchmark]: Boogie Preprocessor took 102.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-21 14:36:59,656 INFO L168 Benchmark]: RCFGBuilder took 1622.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2019-11-21 14:36:59,657 INFO L168 Benchmark]: TraceAbstraction took 21399.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 14:36:59,660 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 841.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.95 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1622.85 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: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21399.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...