./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 34ebb1e4 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_test10-2.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 d4308bd7904aec4bec637498669b187d310fac2d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-34ebb1e [2019-11-21 16:07:25,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 16:07:25,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 16:07:25,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 16:07:25,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 16:07:25,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 16:07:25,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 16:07:25,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 16:07:25,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 16:07:25,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 16:07:25,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 16:07:25,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 16:07:25,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 16:07:25,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 16:07:25,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 16:07:25,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 16:07:25,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 16:07:25,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 16:07:25,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 16:07:25,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 16:07:25,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 16:07:25,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 16:07:25,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 16:07:25,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 16:07:25,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 16:07:25,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 16:07:25,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 16:07:25,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 16:07:25,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 16:07:25,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 16:07:25,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 16:07:25,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 16:07:25,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 16:07:25,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 16:07:25,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 16:07:25,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 16:07:25,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 16:07:25,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 16:07:25,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 16:07:25,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 16:07:25,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 16:07:25,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 16:07:25,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 16:07:25,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 16:07:25,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 16:07:25,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 16:07:25,267 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 16:07:25,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 16:07:25,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 16:07:25,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 16:07:25,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 16:07:25,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 16:07:25,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 16:07:25,269 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 16:07:25,270 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 16:07:25,270 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 16:07:25,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 16:07:25,271 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 16:07:25,271 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 16:07:25,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 16:07:25,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 16:07:25,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 16:07:25,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 16:07:25,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 16:07:25,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 16:07:25,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 16:07:25,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 16:07:25,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 16:07:25,274 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 16:07:25,274 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 16:07:25,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 16:07:25,275 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 -> d4308bd7904aec4bec637498669b187d310fac2d [2019-11-21 16:07:25,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 16:07:25,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 16:07:25,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 16:07:25,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 16:07:25,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 16:07:25,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-21 16:07:25,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64834d734/c286eb88005c41b49cd00016f3d17845/FLAGe5ed7a619 [2019-11-21 16:07:26,216 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 16:07:26,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-21 16:07:26,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64834d734/c286eb88005c41b49cd00016f3d17845/FLAGe5ed7a619 [2019-11-21 16:07:26,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64834d734/c286eb88005c41b49cd00016f3d17845 [2019-11-21 16:07:26,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 16:07:26,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 16:07:26,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 16:07:26,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 16:07:26,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 16:07:26,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:07:26" (1/1) ... [2019-11-21 16:07:26,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4be921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:26, skipping insertion in model container [2019-11-21 16:07:26,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:07:26" (1/1) ... [2019-11-21 16:07:26,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 16:07:26,584 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 16:07:27,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 16:07:27,222 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 16:07:27,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 16:07:27,398 INFO L205 MainTranslator]: Completed translation [2019-11-21 16:07:27,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27 WrapperNode [2019-11-21 16:07:27,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 16:07:27,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 16:07:27,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 16:07:27,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 16:07:27,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (1/1) ... [2019-11-21 16:07:27,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 16:07:27,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 16:07:27,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 16:07:27,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 16:07:27,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (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 16:07:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 16:07:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 16:07:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 16:07:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 16:07:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 16:07:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 16:07:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 16:07:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 16:07:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 16:07:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 16:07:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 16:07:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 16:07:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 16:07:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 16:07:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 16:07:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 16:07:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 16:07:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 16:07:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 16:07:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 16:07:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 16:07:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 16:07:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 16:07:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 16:07:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 16:07:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 16:07:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 16:07:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 16:07:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 16:07:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 16:07:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 16:07:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 16:07:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 16:07:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 16:07:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 16:07:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 16:07:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 16:07:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 16:07:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 16:07:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 16:07:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 16:07:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-21 16:07:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-21 16:07:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 16:07:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 16:07:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 16:07:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 16:07:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 16:07:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 16:07:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 16:07:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 16:07:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 16:07:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 16:07:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 16:07:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 16:07:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 16:07:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 16:07:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 16:07:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 16:07:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 16:07:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 16:07:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 16:07:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 16:07:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 16:07:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 16:07:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 16:07:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 16:07:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 16:07:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 16:07:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 16:07:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 16:07:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 16:07:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 16:07:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 16:07:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 16:07:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 16:07:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 16:07:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 16:07:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 16:07:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 16:07:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 16:07:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 16:07:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 16:07:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 16:07:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 16:07:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 16:07:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 16:07:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 16:07:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 16:07:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 16:07:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 16:07:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 16:07:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 16:07:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 16:07:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 16:07:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 16:07:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 16:07:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 16:07:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 16:07:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 16:07:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 16:07:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 16:07:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 16:07:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 16:07:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 16:07:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 16:07:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 16:07:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 16:07:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 16:07:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 16:07:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 16:07:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 16:07:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 16:07:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 16:07:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 16:07:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 16:07:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 16:07:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 16:07:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 16:07:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 16:07:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 16:07:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 16:07:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 16:07:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 16:07:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 16:07:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 16:07:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 16:07:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 16:07:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 16:07:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 16:07:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 16:07:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 16:07:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 16:07:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 16:07:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 16:07:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 16:07:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 16:07:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 16:07:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 16:07:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 16:07:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 16:07:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 16:07:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 16:07:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 16:07:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 16:07:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 16:07:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 16:07:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 16:07:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 16:07:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 16:07:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 16:07:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 16:07:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 16:07:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 16:07:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 16:07:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 16:07:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 16:07:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 16:07:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 16:07:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 16:07:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 16:07:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 16:07:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 16:07:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 16:07:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 16:07:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 16:07:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 16:07:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 16:07:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 16:07:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 16:07:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 16:07:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 16:07:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 16:07:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 16:07:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 16:07:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 16:07:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 16:07:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 16:07:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 16:07:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-21 16:07:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-21 16:07:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 16:07:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 16:07:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 16:07:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 16:07:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 16:07:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 16:07:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 16:07:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 16:07:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 16:07:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 16:07:28,236 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 16:07:28,708 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 16:07:29,281 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 16:07:29,281 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 16:07:29,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:07:29 BoogieIcfgContainer [2019-11-21 16:07:29,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 16:07:29,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 16:07:29,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 16:07:29,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 16:07:29,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:07:26" (1/3) ... [2019-11-21 16:07:29,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553ee295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:07:29, skipping insertion in model container [2019-11-21 16:07:29,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:27" (2/3) ... [2019-11-21 16:07:29,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553ee295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:07:29, skipping insertion in model container [2019-11-21 16:07:29,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:07:29" (3/3) ... [2019-11-21 16:07:29,296 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-21 16:07:29,306 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 16:07:29,320 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-21 16:07:29,332 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-21 16:07:29,358 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 16:07:29,358 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 16:07:29,358 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 16:07:29,359 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 16:07:29,359 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 16:07:29,359 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 16:07:29,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 16:07:29,360 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 16:07:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-21 16:07:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 16:07:29,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:07:29,402 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:07:29,403 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:07:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:07:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1033291871, now seen corresponding path program 1 times [2019-11-21 16:07:29,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:07:29,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1590612432] [2019-11-21 16:07:29,418 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 16:07:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:07:29,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 16:07:29,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:07:29,781 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 16:07:29,781 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:07:29,872 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 16:07:29,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1590612432] [2019-11-21 16:07:29,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 16:07:29,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 16:07:29,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960771265] [2019-11-21 16:07:29,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 16:07:29,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:07:29,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 16:07:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 16:07:29,901 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-21 16:07:30,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:07:30,239 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-21 16:07:30,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 16:07:30,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 16:07:30,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:07:30,269 INFO L225 Difference]: With dead ends: 163 [2019-11-21 16:07:30,269 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 16:07:30,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 16:07:30,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 16:07:30,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-21 16:07:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-21 16:07:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-21 16:07:30,367 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-21 16:07:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:07:30,368 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-21 16:07:30,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 16:07:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-21 16:07:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 16:07:30,371 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:07:30,371 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:07:30,573 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:07:30,574 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:07:30,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:07:30,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1518865090, now seen corresponding path program 1 times [2019-11-21 16:07:30,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:07:30,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [978206542] [2019-11-21 16:07:30,576 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 16:07:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:07:30,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 16:07:30,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:07:30,856 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 16:07:30,856 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:07:30,930 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 16:07:30,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [978206542] [2019-11-21 16:07:30,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 16:07:30,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 16:07:30,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071325254] [2019-11-21 16:07:30,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 16:07:30,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:07:30,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 16:07:30,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 16:07:30,936 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-21 16:07:31,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:07:31,242 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-21 16:07:31,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 16:07:31,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 16:07:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:07:31,245 INFO L225 Difference]: With dead ends: 156 [2019-11-21 16:07:31,245 INFO L226 Difference]: Without dead ends: 153 [2019-11-21 16:07:31,246 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 16:07:31,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-21 16:07:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-21 16:07:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-21 16:07:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-21 16:07:31,265 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-21 16:07:31,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:07:31,268 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-21 16:07:31,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 16:07:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-21 16:07:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 16:07:31,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:07:31,270 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:07:31,470 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:07:31,472 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:07:31,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:07:31,473 INFO L82 PathProgramCache]: Analyzing trace with hash -914584257, now seen corresponding path program 1 times [2019-11-21 16:07:31,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:07:31,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [488851790] [2019-11-21 16:07:31,475 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 16:07:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:07:31,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 16:07:31,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:07:31,833 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 16:07:31,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:07:31,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:07:31,840 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:07:31,840 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 16:07:31,954 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:07:31,954 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-21 16:07:31,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:07:31,979 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 16:07:31,981 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 16:07:31,981 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-21 16:07:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 16:07:32,010 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:07:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 16:07:36,403 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [488851790] [2019-11-21 16:07:36,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 16:07:36,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-21 16:07:36,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866113579] [2019-11-21 16:07:36,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 16:07:36,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:07:36,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 16:07:36,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-21 16:07:36,405 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-21 16:08:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:08:13,147 INFO L93 Difference]: Finished difference Result 216 states and 249 transitions. [2019-11-21 16:08:13,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-21 16:08:13,148 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-21 16:08:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:08:13,152 INFO L225 Difference]: With dead ends: 216 [2019-11-21 16:08:13,152 INFO L226 Difference]: Without dead ends: 216 [2019-11-21 16:08:13,153 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-21 16:08:13,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-21 16:08:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 119. [2019-11-21 16:08:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-21 16:08:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-21 16:08:13,168 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-21 16:08:13,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:08:13,168 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-21 16:08:13,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 16:08:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-21 16:08:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 16:08:13,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:08:13,170 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:08:13,373 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:08:13,374 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:08:13,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:08:13,375 INFO L82 PathProgramCache]: Analyzing trace with hash -914584256, now seen corresponding path program 1 times [2019-11-21 16:08:13,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:08:13,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1123380479] [2019-11-21 16:08:13,377 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 16:08:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:08:13,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 16:08:13,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:08:13,663 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 16:08:13,664 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:08:13,676 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:13,680 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 16:08:13,681 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:08:13,692 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:13,692 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:08:13,693 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 16:08:15,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 16:08:15,846 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 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-21 16:08:15,846 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:08:15,865 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:15,877 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:15,877 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 16:08:15,878 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:08:15,894 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:15,896 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:08:15,896 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-21 16:08:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 16:08:15,940 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:08:16,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 16:08:16,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:16,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 16:08:16,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:16,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:16,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 16:08:16,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:16,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:16,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:19,316 WARN L192 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 16:08:19,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:08:21,357 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ldv_malloc_#t~malloc12.base_21| (_ BitVec 32)) (v_entry_point_~a10~0.base_BEFORE_CALL_4 (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (bvsle .cse0 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_21| ldv_malloc_~size) v_entry_point_~a10~0.base_BEFORE_CALL_4)) (not (bvsle (_ bv0 32) v_entry_point_~a10~0.offset_BEFORE_CALL_2)) (not (bvsle v_entry_point_~a10~0.offset_BEFORE_CALL_2 .cse0)) (exists ((v_prenex_1 (_ BitVec 32)) (v_ldv_malloc_~size_25 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_1 v_ldv_malloc_~size_25) v_entry_point_~a10~0.base_BEFORE_CALL_4))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1)))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_21|) (_ bv0 1)))))) (or (forall ((|v_ldv_malloc_#t~malloc12.base_21| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_21|) (_ bv0 1)))) (exists ((v_prenex_2 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2))))) is different from false [2019-11-21 16:08:21,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-21 16:08:28,548 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 16:08:28,567 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-21 16:08:28,568 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:08:28,586 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:28,590 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 16:08:28,591 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:08:28,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:08:28,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:08:28,605 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 16:08:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2019-11-21 16:08:28,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1123380479] [2019-11-21 16:08:28,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 16:08:28,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2019-11-21 16:08:28,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811171161] [2019-11-21 16:08:28,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 16:08:28,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:08:28,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 16:08:28,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=4, NotChecked=28, Total=272 [2019-11-21 16:08:28,703 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 17 states. [2019-11-21 16:08:40,619 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 10 [2019-11-21 16:08:58,962 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-21 16:09:01,034 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-21 16:09:25,710 WARN L192 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-11-21 16:09:38,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:09:38,996 INFO L93 Difference]: Finished difference Result 214 states and 244 transitions. [2019-11-21 16:09:38,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-21 16:09:38,997 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 19 [2019-11-21 16:09:38,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:09:38,999 INFO L225 Difference]: With dead ends: 214 [2019-11-21 16:09:38,999 INFO L226 Difference]: Without dead ends: 214 [2019-11-21 16:09:38,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 33.4s TimeCoverageRelationStatistics Valid=89, Invalid=414, Unknown=7, NotChecked=42, Total=552 [2019-11-21 16:09:39,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-21 16:09:39,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 145. [2019-11-21 16:09:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-21 16:09:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 187 transitions. [2019-11-21 16:09:39,018 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 187 transitions. Word has length 19 [2019-11-21 16:09:39,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:09:39,018 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 187 transitions. [2019-11-21 16:09:39,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 16:09:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2019-11-21 16:09:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 16:09:39,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:09:39,019 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:09:39,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:09:39,224 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:09:39,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:09:39,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1583431680, now seen corresponding path program 1 times [2019-11-21 16:09:39,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:09:39,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1935794557] [2019-11-21 16:09:39,226 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 16:09:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:09:39,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 16:09:39,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:09:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 16:09:39,530 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:09:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:39,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1935794557] [2019-11-21 16:09:39,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 16:09:39,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 16:09:39,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928318012] [2019-11-21 16:09:39,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 16:09:39,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:09:39,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 16:09:39,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 16:09:39,573 INFO L87 Difference]: Start difference. First operand 145 states and 187 transitions. Second operand 5 states. [2019-11-21 16:09:39,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:09:39,640 INFO L93 Difference]: Finished difference Result 126 states and 152 transitions. [2019-11-21 16:09:39,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 16:09:39,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-21 16:09:39,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:09:39,642 INFO L225 Difference]: With dead ends: 126 [2019-11-21 16:09:39,642 INFO L226 Difference]: Without dead ends: 124 [2019-11-21 16:09:39,643 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 16:09:39,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-21 16:09:39,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-21 16:09:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-21 16:09:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 150 transitions. [2019-11-21 16:09:39,652 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 150 transitions. Word has length 19 [2019-11-21 16:09:39,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:09:39,653 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 150 transitions. [2019-11-21 16:09:39,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 16:09:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2019-11-21 16:09:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 16:09:39,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:09:39,654 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:09:39,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:09:39,858 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:09:39,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:09:39,859 INFO L82 PathProgramCache]: Analyzing trace with hash -565608548, now seen corresponding path program 1 times [2019-11-21 16:09:39,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:09:39,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [326629324] [2019-11-21 16:09:39,861 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 16:09:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:09:40,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 16:09:40,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:09:40,143 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-21 16:09:40,144 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:09:40,153 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:09:40,153 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:09:40,153 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-21 16:09:40,166 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2019-11-21 16:09:40,166 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:09:40,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:09:40,169 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:09:40,169 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-21 16:09:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:40,179 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:09:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:40,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [326629324] [2019-11-21 16:09:40,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 16:09:40,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 16:09:40,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265668524] [2019-11-21 16:09:40,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 16:09:40,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:09:40,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 16:09:40,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 16:09:40,219 INFO L87 Difference]: Start difference. First operand 124 states and 150 transitions. Second operand 6 states. [2019-11-21 16:09:40,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:09:40,401 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2019-11-21 16:09:40,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 16:09:40,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-21 16:09:40,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:09:40,403 INFO L225 Difference]: With dead ends: 127 [2019-11-21 16:09:40,404 INFO L226 Difference]: Without dead ends: 127 [2019-11-21 16:09:40,404 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-21 16:09:40,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-21 16:09:40,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2019-11-21 16:09:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-21 16:09:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2019-11-21 16:09:40,413 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 24 [2019-11-21 16:09:40,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:09:40,414 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2019-11-21 16:09:40,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 16:09:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2019-11-21 16:09:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 16:09:40,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:09:40,415 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:09:40,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:09:40,619 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:09:40,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:09:40,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1921904285, now seen corresponding path program 1 times [2019-11-21 16:09:40,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:09:40,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1621855351] [2019-11-21 16:09:40,621 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 16:09:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:09:40,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 16:09:40,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:09:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:40,938 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:09:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:41,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1621855351] [2019-11-21 16:09:41,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 16:09:41,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 16:09:41,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564282376] [2019-11-21 16:09:41,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 16:09:41,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:09:41,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 16:09:41,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 16:09:41,021 INFO L87 Difference]: Start difference. First operand 124 states and 149 transitions. Second operand 9 states. [2019-11-21 16:09:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:09:41,370 INFO L93 Difference]: Finished difference Result 123 states and 147 transitions. [2019-11-21 16:09:41,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 16:09:41,371 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-21 16:09:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:09:41,373 INFO L225 Difference]: With dead ends: 123 [2019-11-21 16:09:41,376 INFO L226 Difference]: Without dead ends: 123 [2019-11-21 16:09:41,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 16:09:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-21 16:09:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-11-21 16:09:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-21 16:09:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 147 transitions. [2019-11-21 16:09:41,393 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 147 transitions. Word has length 24 [2019-11-21 16:09:41,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:09:41,394 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 147 transitions. [2019-11-21 16:09:41,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 16:09:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2019-11-21 16:09:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 16:09:41,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:09:41,398 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:09:41,611 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:09:41,612 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:09:41,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:09:41,612 INFO L82 PathProgramCache]: Analyzing trace with hash 2014259398, now seen corresponding path program 1 times [2019-11-21 16:09:41,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:09:41,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [967667966] [2019-11-21 16:09:41,613 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 16:09:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:09:41,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 16:09:41,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:09:41,936 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 16:09:41,937 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:09:41,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:09:41,941 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:09:41,942 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 16:09:41,961 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-21 16:09:41,961 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:09:41,969 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:09:41,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:09:41,970 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-21 16:09:42,000 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-21 16:09:42,001 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:09:42,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:09:42,007 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 16:09:42,008 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:15 [2019-11-21 16:09:42,090 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:09:42,090 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-21 16:09:42,091 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:09:42,115 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 16:09:42,115 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 16:09:42,116 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-21 16:09:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:42,141 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:09:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:09:44,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [967667966] [2019-11-21 16:09:44,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 16:09:44,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-21 16:09:44,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930205251] [2019-11-21 16:09:44,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 16:09:44,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:09:44,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 16:09:44,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2019-11-21 16:09:44,636 INFO L87 Difference]: Start difference. First operand 123 states and 147 transitions. Second operand 17 states. [2019-11-21 16:10:25,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:10:25,781 INFO L93 Difference]: Finished difference Result 160 states and 189 transitions. [2019-11-21 16:10:25,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-21 16:10:25,782 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2019-11-21 16:10:25,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:10:25,784 INFO L225 Difference]: With dead ends: 160 [2019-11-21 16:10:25,784 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 16:10:25,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=105, Invalid=446, Unknown=1, NotChecked=0, Total=552 [2019-11-21 16:10:25,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 16:10:25,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 124. [2019-11-21 16:10:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-21 16:10:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 148 transitions. [2019-11-21 16:10:25,792 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 148 transitions. Word has length 29 [2019-11-21 16:10:25,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:10:25,793 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 148 transitions. [2019-11-21 16:10:25,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 16:10:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2019-11-21 16:10:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 16:10:25,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:10:25,794 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:10:25,995 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:10:25,996 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:10:25,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:10:25,996 INFO L82 PathProgramCache]: Analyzing trace with hash 2014259399, now seen corresponding path program 1 times [2019-11-21 16:10:25,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:10:25,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1748192386] [2019-11-21 16:10:25,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:10:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:10:26,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-21 16:10:26,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:10:26,347 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 16:10:26,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,357 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:26,364 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 16:10:26,365 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:26,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,375 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 16:10:26,419 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-21 16:10:26,420 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,437 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:26,441 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-21 16:10:26,442 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:26,453 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,454 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-21 16:10:26,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2019-11-21 16:10:26,483 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:26,497 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-21 16:10:26,498 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,505 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:26,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:10:26,506 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-21 16:10:28,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 16:10:28,591 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 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 16:10:28,592 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:28,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:28,617 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:28,617 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 16:10:28,618 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:28,631 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:28,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:10:28,632 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 16:10:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 16:10:28,656 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:10:28,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 16:10:30,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:30,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 16:10:30,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:30,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:30,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 16:10:30,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:30,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:30,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:34,884 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 16:10:34,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:10:40,048 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 16:10:40,057 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-21 16:10:40,057 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:40,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:40,069 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 16:10:40,069 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 16:10:40,082 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:10:40,083 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 16:10:40,083 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 16:10:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 16:10:40,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1748192386] [2019-11-21 16:10:40,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 16:10:40,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-21 16:10:40,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945082345] [2019-11-21 16:10:40,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-21 16:10:40,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 16:10:40,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-21 16:10:40,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=259, Unknown=5, NotChecked=0, Total=306 [2019-11-21 16:10:40,166 INFO L87 Difference]: Start difference. First operand 124 states and 148 transitions. Second operand 18 states. [2019-11-21 16:11:11,216 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-21 16:11:41,106 WARN L192 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-11-21 16:12:04,302 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_9 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_9))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= |c_#valid| |c_old(#valid)|) (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse0 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_ldv_malloc_~size_61 (_ BitVec 32)) (v_prenex_8 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_prenex_8) (_ bv0 1)) (not (bvsle (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_8 v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))))) (not (bvsle (_ bv0 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|)) (bvsle .cse0 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvsle |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse0))))) (= |c_old(#length)| |c_#length|)) is different from false [2019-11-21 16:12:45,720 WARN L192 SmtUtils]: Spent 16.45 s on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2019-11-21 16:13:46,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 16:13:46,064 INFO L93 Difference]: Finished difference Result 166 states and 189 transitions. [2019-11-21 16:13:46,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-21 16:13:46,065 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-21 16:13:46,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 16:13:46,066 INFO L225 Difference]: With dead ends: 166 [2019-11-21 16:13:46,066 INFO L226 Difference]: Without dead ends: 166 [2019-11-21 16:13:46,067 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 75.1s TimeCoverageRelationStatistics Valid=90, Invalid=493, Unknown=21, NotChecked=46, Total=650 [2019-11-21 16:13:46,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-21 16:13:46,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 124. [2019-11-21 16:13:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-21 16:13:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 146 transitions. [2019-11-21 16:13:46,073 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 146 transitions. Word has length 29 [2019-11-21 16:13:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 16:13:46,073 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 146 transitions. [2019-11-21 16:13:46,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-21 16:13:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2019-11-21 16:13:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 16:13:46,075 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 16:13:46,075 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 16:13:46,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:13:46,278 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 16:13:46,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 16:13:46,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2023525421, now seen corresponding path program 1 times [2019-11-21 16:13:46,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 16:13:46,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1031645311] [2019-11-21 16:13:46,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:13:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 16:13:46,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 16:13:46,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 16:13:46,578 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 16:13:46,578 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 16:13:46,579 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 16:13:46,600 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 16:13:46,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:13:46,601 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 16:13:46,602 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 16:13:46,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:13:46,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:13:46,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:13:46,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 16:13:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 16:13:52,814 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 16:13:57,164 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 16:13:57,165 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 16:13:57,172 INFO L168 Benchmark]: Toolchain (without parser) took 390668.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 280.0 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -205.9 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2019-11-21 16:13:57,172 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 16:13:57,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 894.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-21 16:13:57,181 INFO L168 Benchmark]: Boogie Preprocessor took 113.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 16:13:57,184 INFO L168 Benchmark]: RCFGBuilder took 1770.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.4 MB in the end (delta: 124.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 11.5 GB. [2019-11-21 16:13:57,185 INFO L168 Benchmark]: TraceAbstraction took 387883.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 983.4 MB in the beginning and 1.2 GB in the end (delta: -173.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 16:13:57,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 894.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1770.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.4 MB in the end (delta: 124.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 387883.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 983.4 MB in the beginning and 1.2 GB in the end (delta: -173.4 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...