./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 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_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 0.1.24-264dba8 [2019-11-21 14:34:05,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 14:34:05,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 14:34:05,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 14:34:05,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 14:34:05,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 14:34:05,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 14:34:05,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 14:34:05,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 14:34:05,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 14:34:05,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 14:34:05,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 14:34:05,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 14:34:05,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 14:34:05,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 14:34:05,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 14:34:05,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 14:34:05,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 14:34:05,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 14:34:05,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 14:34:05,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 14:34:05,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 14:34:05,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 14:34:05,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 14:34:05,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 14:34:05,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 14:34:05,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 14:34:05,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 14:34:05,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 14:34:05,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 14:34:05,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 14:34:05,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 14:34:05,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 14:34:05,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 14:34:05,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 14:34:05,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 14:34:05,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 14:34:05,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 14:34:05,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 14:34:05,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 14:34:05,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 14:34:05,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 14:34:05,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 14:34:05,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 14:34:05,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 14:34:05,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 14:34:05,502 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 14:34:05,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 14:34:05,502 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 14:34:05,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 14:34:05,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 14:34:05,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 14:34:05,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 14:34:05,504 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 14:34:05,504 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 14:34:05,504 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 14:34:05,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 14:34:05,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 14:34:05,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 14:34:05,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 14:34:05,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 14:34:05,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 14:34:05,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 14:34:05,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 14:34:05,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 14:34:05,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 14:34:05,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 14:34:05,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 14:34:05,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 14:34:05,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 14:34:05,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 14:34:05,509 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 14:34:05,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 14:34:05,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 14:34:05,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 14:34:05,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 14:34:05,833 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 14:34:05,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-21 14:34:05,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbdb3f804/5a3a23b41f714c73ad74c98e30fc7b42/FLAG7f1a114c6 [2019-11-21 14:34:06,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 14:34:06,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-21 14:34:06,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbdb3f804/5a3a23b41f714c73ad74c98e30fc7b42/FLAG7f1a114c6 [2019-11-21 14:34:06,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbdb3f804/5a3a23b41f714c73ad74c98e30fc7b42 [2019-11-21 14:34:06,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 14:34:06,747 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 14:34:06,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 14:34:06,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 14:34:06,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 14:34:06,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:34:06" (1/1) ... [2019-11-21 14:34:06,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32bca2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:06, skipping insertion in model container [2019-11-21 14:34:06,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:34:06" (1/1) ... [2019-11-21 14:34:06,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 14:34:06,814 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 14:34:07,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 14:34:07,344 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 14:34:07,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 14:34:07,538 INFO L205 MainTranslator]: Completed translation [2019-11-21 14:34:07,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07 WrapperNode [2019-11-21 14:34:07,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 14:34:07,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 14:34:07,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 14:34:07,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 14:34:07,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... [2019-11-21 14:34:07,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 14:34:07,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 14:34:07,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 14:34:07,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 14:34:07,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 14:34:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 14:34:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 14:34:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 14:34:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 14:34:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 14:34:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 14:34:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 14:34:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 14:34:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 14:34:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 14:34:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 14:34:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 14:34:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 14:34:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 14:34:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 14:34:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 14:34:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 14:34:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 14:34:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 14:34:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 14:34:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 14:34:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 14:34:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 14:34:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 14:34:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 14:34:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 14:34:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 14:34:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 14:34:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 14:34:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 14:34:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 14:34:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 14:34:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 14:34:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 14:34:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 14:34:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 14:34:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 14:34:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 14:34:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 14:34:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 14:34:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 14:34:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-21 14:34:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-21 14:34:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 14:34:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 14:34:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 14:34:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 14:34:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 14:34:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 14:34:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 14:34:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 14:34:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 14:34:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 14:34:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 14:34:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 14:34:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 14:34:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 14:34:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 14:34:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 14:34:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 14:34:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 14:34:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 14:34:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 14:34:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 14:34:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 14:34:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 14:34:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 14:34:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 14:34:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 14:34:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 14:34:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 14:34:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 14:34:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 14:34:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 14:34:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 14:34:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 14:34:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 14:34:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 14:34:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 14:34:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 14:34:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 14:34:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 14:34:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 14:34:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 14:34:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 14:34:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 14:34:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 14:34:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 14:34:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 14:34:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 14:34:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 14:34:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 14:34:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 14:34:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 14:34:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 14:34:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 14:34:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 14:34:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 14:34:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 14:34:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 14:34:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 14:34:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 14:34:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 14:34:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 14:34:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 14:34:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 14:34:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 14:34:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 14:34:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 14:34:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 14:34:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 14:34:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 14:34:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 14:34:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 14:34:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 14:34:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 14:34:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 14:34:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 14:34:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 14:34:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 14:34:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 14:34:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 14:34:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 14:34:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 14:34:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 14:34:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 14:34:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 14:34:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 14:34:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 14:34:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 14:34:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 14:34:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 14:34:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 14:34:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 14:34:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 14:34:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 14:34:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 14:34:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 14:34:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 14:34:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 14:34:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 14:34:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 14:34:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 14:34:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 14:34:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 14:34:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 14:34:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 14:34:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 14:34:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 14:34:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 14:34:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 14:34:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 14:34:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 14:34:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 14:34:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 14:34:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 14:34:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 14:34:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 14:34:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 14:34:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 14:34:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 14:34:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 14:34:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 14:34:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 14:34:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 14:34:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 14:34:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 14:34:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 14:34:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 14:34:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 14:34:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 14:34:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 14:34:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 14:34:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 14:34:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 14:34:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 14:34:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 14:34:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 14:34:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 14:34:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 14:34:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 14:34:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 14:34:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 14:34:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 14:34:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 14:34:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 14:34:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 14:34:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 14:34:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 14:34:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 14:34:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 14:34:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 14:34:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 14:34:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 14:34:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 14:34:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 14:34:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 14:34:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 14:34:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 14:34:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 14:34:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 14:34:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 14:34:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 14:34:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-21 14:34:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-21 14:34:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 14:34:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 14:34:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 14:34:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 14:34:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 14:34:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 14:34:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 14:34:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 14:34:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 14:34:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 14:34:08,408 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 14:34:08,931 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 14:34:09,490 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 14:34:09,493 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 14:34:09,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:34:09 BoogieIcfgContainer [2019-11-21 14:34:09,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 14:34:09,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 14:34:09,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 14:34:09,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 14:34:09,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:34:06" (1/3) ... [2019-11-21 14:34:09,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a12f3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:34:09, skipping insertion in model container [2019-11-21 14:34:09,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:34:07" (2/3) ... [2019-11-21 14:34:09,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a12f3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:34:09, skipping insertion in model container [2019-11-21 14:34:09,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:34:09" (3/3) ... [2019-11-21 14:34:09,507 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-21 14:34:09,517 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 14:34:09,529 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-21 14:34:09,541 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-21 14:34:09,567 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 14:34:09,567 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 14:34:09,567 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 14:34:09,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 14:34:09,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 14:34:09,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 14:34:09,568 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 14:34:09,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 14:34:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-21 14:34:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 14:34:09,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:34:09,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:34:09,623 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 14:34:09,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:34:09,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1033291871, now seen corresponding path program 1 times [2019-11-21 14:34:09,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:34:09,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [315566415] [2019-11-21 14:34:09,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:34:09,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 14:34:10,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:34:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:34:10,077 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:34:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:34:10,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [315566415] [2019-11-21 14:34:10,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:34:10,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 14:34:10,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090125413] [2019-11-21 14:34:10,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 14:34:10,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:34:10,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 14:34:10,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 14:34:10,221 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-21 14:34:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:34:10,519 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-21 14:34:10,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 14:34:10,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 14:34:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:34:10,536 INFO L225 Difference]: With dead ends: 163 [2019-11-21 14:34:10,536 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 14:34:10,538 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 14:34:10,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 14:34:10,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-21 14:34:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-21 14:34:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-21 14:34:10,597 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-21 14:34:10,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:34:10,598 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-21 14:34:10,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 14:34:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-21 14:34:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 14:34:10,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:34:10,600 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:34:10,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:10,805 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 14:34:10,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:34:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1518865090, now seen corresponding path program 1 times [2019-11-21 14:34:10,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:34:10,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [749718167] [2019-11-21 14:34:10,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:34:11,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 14:34:11,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:34:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:34:11,044 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:34:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 14:34:11,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [749718167] [2019-11-21 14:34:11,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:34:11,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 14:34:11,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347501029] [2019-11-21 14:34:11,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 14:34:11,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:34:11,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 14:34:11,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 14:34:11,115 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-21 14:34:11,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:34:11,434 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-21 14:34:11,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 14:34:11,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 14:34:11,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:34:11,438 INFO L225 Difference]: With dead ends: 156 [2019-11-21 14:34:11,438 INFO L226 Difference]: Without dead ends: 153 [2019-11-21 14:34:11,438 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 14:34:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-21 14:34:11,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-21 14:34:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-21 14:34:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-21 14:34:11,465 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-21 14:34:11,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:34:11,465 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-21 14:34:11,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 14:34:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-21 14:34:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 14:34:11,468 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:34:11,468 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:34:11,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:11,671 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 14:34:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:34:11,672 INFO L82 PathProgramCache]: Analyzing trace with hash -914584257, now seen corresponding path program 1 times [2019-11-21 14:34:11,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:34:11,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [96398431] [2019-11-21 14:34:11,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:34:11,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 14:34:11,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:34:12,020 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 14:34:12,021 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:12,026 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:12,027 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 14:34:12,027 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 14:34:12,125 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:12,126 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 14:34:12,129 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:12,151 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 14:34:12,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 14:34:12,152 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-21 14:34:12,184 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 14:34:12,184 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:34:14,539 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 14:34:14,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [96398431] [2019-11-21 14:34:14,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 14:34:14,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-21 14:34:14,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646298693] [2019-11-21 14:34:14,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 14:34:14,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:34:14,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 14:34:14,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-21 14:34:14,542 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-21 14:34:50,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:34:50,353 INFO L93 Difference]: Finished difference Result 233 states and 268 transitions. [2019-11-21 14:34:50,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-21 14:34:50,354 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-21 14:34:50,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:34:50,358 INFO L225 Difference]: With dead ends: 233 [2019-11-21 14:34:50,358 INFO L226 Difference]: Without dead ends: 233 [2019-11-21 14:34:50,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-21 14:34:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-11-21 14:34:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 119. [2019-11-21 14:34:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-21 14:34:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-21 14:34:50,374 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-21 14:34:50,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:34:50,375 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-21 14:34:50,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 14:34:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-21 14:34:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 14:34:50,376 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:34:50,377 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 14:34:50,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:50,578 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 14:34:50,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:34:50,580 INFO L82 PathProgramCache]: Analyzing trace with hash -914584256, now seen corresponding path program 1 times [2019-11-21 14:34:50,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:34:50,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [349331593] [2019-11-21 14:34:50,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:34:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:34:50,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 14:34:50,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:34:50,846 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 14:34:50,846 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:50,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:50,865 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 14:34:50,866 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:50,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:50,875 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 14:34:50,875 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 14:34:53,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 14:34:53,051 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 14:34:53,052 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:53,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:53,085 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:53,086 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 14:34:53,086 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:53,099 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:53,100 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 14:34:53,100 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-21 14:34:53,128 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 14:34:53,128 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:34:53,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 14:34:53,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:53,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 14:34:53,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:53,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:53,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 14:34:53,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:53,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:53,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:54,526 WARN L192 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 14:34:54,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:34:57,184 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 14:34:57,207 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 14:34:57,207 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:57,223 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:57,226 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 14:34:57,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:34:57,239 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:34:57,240 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 14:34:57,240 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 14:34:57,324 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 14:34:57,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [349331593] [2019-11-21 14:34:57,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 14:34:57,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-21 14:34:57,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841177507] [2019-11-21 14:34:57,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 14:34:57,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:34:57,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 14:34:57,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=201, Unknown=1, NotChecked=0, Total=240 [2019-11-21 14:34:57,327 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-21 14:35:42,176 WARN L192 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-21 14:35:59,434 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-21 14:36:01,528 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-21 14:36:43,857 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2019-11-21 14:37:14,187 WARN L192 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-11-21 14:38:49,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:38:49,468 INFO L93 Difference]: Finished difference Result 296 states and 335 transitions. [2019-11-21 14:38:49,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-21 14:38:49,484 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-21 14:38:49,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:38:49,487 INFO L225 Difference]: With dead ends: 296 [2019-11-21 14:38:49,487 INFO L226 Difference]: Without dead ends: 296 [2019-11-21 14:38:49,488 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 32.0s TimeCoverageRelationStatistics Valid=121, Invalid=579, Unknown=2, NotChecked=0, Total=702 [2019-11-21 14:38:49,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-21 14:38:49,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 138. [2019-11-21 14:38:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-21 14:38:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 175 transitions. [2019-11-21 14:38:49,506 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 175 transitions. Word has length 19 [2019-11-21 14:38:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:38:49,507 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 175 transitions. [2019-11-21 14:38:49,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 14:38:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2019-11-21 14:38:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 14:38:49,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:38:49,508 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 14:38:49,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:49,710 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 14:38:49,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:38:49,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1583431680, now seen corresponding path program 1 times [2019-11-21 14:38:49,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:38:49,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1984665017] [2019-11-21 14:38:49,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:38:49,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 14:38:49,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:38:50,011 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 14:38:50,011 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:38:50,052 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 14:38:50,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1984665017] [2019-11-21 14:38:50,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 14:38:50,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 14:38:50,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794726142] [2019-11-21 14:38:50,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 14:38:50,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:38:50,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 14:38:50,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 14:38:50,054 INFO L87 Difference]: Start difference. First operand 138 states and 175 transitions. Second operand 5 states. [2019-11-21 14:38:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:38:50,112 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-11-21 14:38:50,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 14:38:50,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-21 14:38:50,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:38:50,114 INFO L225 Difference]: With dead ends: 109 [2019-11-21 14:38:50,114 INFO L226 Difference]: Without dead ends: 107 [2019-11-21 14:38:50,114 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 14:38:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-21 14:38:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-21 14:38:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-21 14:38:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2019-11-21 14:38:50,126 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 19 [2019-11-21 14:38:50,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:38:50,127 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2019-11-21 14:38:50,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 14:38:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2019-11-21 14:38:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 14:38:50,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:38:50,128 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 14:38:50,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:50,332 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 14:38:50,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:38:50,334 INFO L82 PathProgramCache]: Analyzing trace with hash -565608548, now seen corresponding path program 1 times [2019-11-21 14:38:50,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:38:50,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1751052854] [2019-11-21 14:38:50,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:38:50,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 14:38:50,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:38:50,612 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 14:38:50,612 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:38:50,618 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:38:50,619 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 14:38:50,619 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-21 14:38:50,634 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 14:38:50,635 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:38:50,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:38:50,636 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 14:38:50,637 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-21 14:38:50,645 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 14:38:50,645 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:38:50,681 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 14:38:50,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1751052854] [2019-11-21 14:38:50,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 14:38:50,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 14:38:50,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714722910] [2019-11-21 14:38:50,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 14:38:50,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:38:50,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 14:38:50,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 14:38:50,683 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 6 states. [2019-11-21 14:38:50,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:38:50,870 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2019-11-21 14:38:50,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 14:38:50,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-21 14:38:50,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:38:50,872 INFO L225 Difference]: With dead ends: 110 [2019-11-21 14:38:50,872 INFO L226 Difference]: Without dead ends: 110 [2019-11-21 14:38:50,872 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 14:38:50,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-21 14:38:50,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2019-11-21 14:38:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-21 14:38:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2019-11-21 14:38:50,879 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 24 [2019-11-21 14:38:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:38:50,879 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2019-11-21 14:38:50,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 14:38:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2019-11-21 14:38:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 14:38:50,881 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:38:50,881 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 14:38:51,085 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:51,086 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 14:38:51,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:38:51,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1921904285, now seen corresponding path program 1 times [2019-11-21 14:38:51,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:38:51,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [387041675] [2019-11-21 14:38:51,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:38:51,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 14:38:51,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:38:51,414 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 14:38:51,414 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:38:51,503 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 14:38:51,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [387041675] [2019-11-21 14:38:51,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 14:38:51,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 14:38:51,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443919435] [2019-11-21 14:38:51,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 14:38:51,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:38:51,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 14:38:51,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 14:38:51,506 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 9 states. [2019-11-21 14:38:51,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:38:51,779 INFO L93 Difference]: Finished difference Result 106 states and 117 transitions. [2019-11-21 14:38:51,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 14:38:51,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-21 14:38:51,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:38:51,782 INFO L225 Difference]: With dead ends: 106 [2019-11-21 14:38:51,782 INFO L226 Difference]: Without dead ends: 106 [2019-11-21 14:38:51,782 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 14:38:51,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-21 14:38:51,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-21 14:38:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-21 14:38:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2019-11-21 14:38:51,790 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 24 [2019-11-21 14:38:51,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:38:51,790 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2019-11-21 14:38:51,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 14:38:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2019-11-21 14:38:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 14:38:51,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:38:51,792 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 14:38:52,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:52,002 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 14:38:52,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:38:52,003 INFO L82 PathProgramCache]: Analyzing trace with hash 2014259398, now seen corresponding path program 1 times [2019-11-21 14:38:52,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:38:52,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1636181265] [2019-11-21 14:38:52,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:38:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:38:52,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 14:38:52,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:38:52,339 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 14:38:52,339 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:38:52,341 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:38:52,341 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 14:38:52,342 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 14:38:52,355 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 14:38:52,356 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:38:52,367 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:38:52,368 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 14:38:52,368 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-21 14:38:52,402 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 14:38:52,403 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:38:52,420 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:38:52,421 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 14:38:52,421 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:15 [2019-11-21 14:38:52,493 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:38:52,494 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 14:38:52,495 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:38:52,520 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 14:38:52,521 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 14:38:52,522 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-21 14:38:52,545 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 14:38:52,545 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:38:55,013 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 14:38:55,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1636181265] [2019-11-21 14:38:55,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 14:38:55,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-21 14:38:55,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270790519] [2019-11-21 14:38:55,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 14:38:55,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:38:55,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 14:38:55,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2019-11-21 14:38:55,015 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 17 states. [2019-11-21 14:39:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:39:33,751 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2019-11-21 14:39:33,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-21 14:39:33,751 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2019-11-21 14:39:33,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:39:33,753 INFO L225 Difference]: With dead ends: 146 [2019-11-21 14:39:33,753 INFO L226 Difference]: Without dead ends: 146 [2019-11-21 14:39:33,756 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=105, Invalid=446, Unknown=1, NotChecked=0, Total=552 [2019-11-21 14:39:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-21 14:39:33,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 107. [2019-11-21 14:39:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-21 14:39:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2019-11-21 14:39:33,766 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 29 [2019-11-21 14:39:33,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:39:33,766 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2019-11-21 14:39:33,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 14:39:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2019-11-21 14:39:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 14:39:33,768 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:39:33,768 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 14:39:33,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:39:33,972 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 14:39:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:39:33,973 INFO L82 PathProgramCache]: Analyzing trace with hash 2014259399, now seen corresponding path program 1 times [2019-11-21 14:39:33,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:39:33,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [358206812] [2019-11-21 14:39:33,974 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 14:39:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:39:34,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-21 14:39:34,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:39:34,303 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 14:39:34,303 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,331 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:34,335 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 14:39:34,336 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,343 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:34,343 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,344 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 14:39:34,397 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 14:39:34,398 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,422 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:34,431 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 14:39:34,431 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:34,446 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 14:39:34,446 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-21 14:39:34,479 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 14:39:34,479 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,493 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:34,499 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 14:39:34,499 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:34,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:34,508 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 14:39:34,508 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-21 14:39:36,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 14:39:36,651 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 14:39:36,651 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:36,666 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:36,676 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:36,676 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 14:39:36,677 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:36,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:36,689 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 14:39:36,689 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 14:39:36,714 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 14:39:36,714 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:39:36,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 14:39:38,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:38,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 14:39:38,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:38,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:38,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 14:39:38,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:38,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:38,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:41,706 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 14:39:41,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:39:48,860 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 14:39:48,872 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 14:39:48,873 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:48,894 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:48,895 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 14:39:48,896 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 14:39:48,907 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:39:48,908 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 14:39:48,908 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 14:39:49,004 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 14:39:49,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [358206812] [2019-11-21 14:39:49,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 14:39:49,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-21 14:39:49,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327279372] [2019-11-21 14:39:49,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-21 14:39:49,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 14:39:49,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-21 14:39:49,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=258, Unknown=6, NotChecked=0, Total=306 [2019-11-21 14:39:49,010 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 18 states. [2019-11-21 14:40:07,549 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (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_prenex_7 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_7)) (not (bvsle (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_7 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))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (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|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|) (forall ((|v_ldv_malloc_#t~malloc12.base_54| (_ BitVec 32)) (|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse1 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_54|) (_ bv0 1))) (exists ((v_prenex_7 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_7)) (not (bvsle (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_7 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 .cse1 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_54| ldv_malloc_~size) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvsle |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse1))))) (exists ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1)))) is different from false [2019-11-21 14:40:30,811 WARN L192 SmtUtils]: Spent 15.09 s on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-11-21 14:40:39,070 WARN L838 $PredicateComparison]: unable to prove that (and (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_prenex_7 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_7)) (not (bvsle (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_7 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))))) (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|))) (exists ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1)))) is different from false [2019-11-21 14:41:08,428 WARN L192 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-11-21 14:41:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 14:41:50,727 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2019-11-21 14:41:50,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-21 14:41:50,728 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-21 14:41:50,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 14:41:50,729 INFO L225 Difference]: With dead ends: 114 [2019-11-21 14:41:50,729 INFO L226 Difference]: Without dead ends: 114 [2019-11-21 14:41:50,730 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 52.1s TimeCoverageRelationStatistics Valid=84, Invalid=464, Unknown=12, NotChecked=90, Total=650 [2019-11-21 14:41:50,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-21 14:41:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 107. [2019-11-21 14:41:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-21 14:41:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2019-11-21 14:41:50,736 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 29 [2019-11-21 14:41:50,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 14:41:50,736 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2019-11-21 14:41:50,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-21 14:41:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2019-11-21 14:41:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 14:41:50,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 14:41:50,738 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 14:41:50,941 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:41:50,942 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 14:41:50,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 14:41:50,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2023525421, now seen corresponding path program 1 times [2019-11-21 14:41:50,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 14:41:50,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1502767803] [2019-11-21 14:41:50,944 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 14:41:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 14:41:51,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 14:41:51,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 14:41:51,244 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 14:41:51,244 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 14:41:51,245 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 14:41:51,263 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 14:41:51,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:41:51,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 14:41:51,264 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 14:41:51,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:41:51,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:41:51,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:41:51,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 14:41:57,490 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 14:41:57,490 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 14:42:01,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 14:42:01,839 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 14:42:01,844 INFO L168 Benchmark]: Toolchain (without parser) took 475097.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.6 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2019-11-21 14:42:01,844 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 14:42:01,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-21 14:42:01,846 INFO L168 Benchmark]: Boogie Preprocessor took 112.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 14:42:01,846 INFO L168 Benchmark]: RCFGBuilder took 1840.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 950.6 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. [2019-11-21 14:42:01,847 INFO L168 Benchmark]: TraceAbstraction took 472345.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 14:42:01,849 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 794.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1840.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 950.6 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 472345.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -208.3 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...