./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer --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 308780b81e2d0866a989f5189e54a3384f9af47c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 08:18:57,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:18:57,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:18:57,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:18:57,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:18:57,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:18:57,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:18:58,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:18:58,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:18:58,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:18:58,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:18:58,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:18:58,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:18:58,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:18:58,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:18:58,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:18:58,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:18:58,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:18:58,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:18:58,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:18:58,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:18:58,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:18:58,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:18:58,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:18:58,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:18:58,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:18:58,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:18:58,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:18:58,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:18:58,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:18:58,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:18:58,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:18:58,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:18:58,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:18:58,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:18:58,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:18:58,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:18:58,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:18:58,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:18:58,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:18:58,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:18:58,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 08:18:58,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:18:58,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:18:58,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:18:58,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:18:58,082 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:18:58,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:18:58,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:18:58,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:18:58,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:18:58,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:18:58,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:18:58,084 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 08:18:58,084 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 08:18:58,084 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 08:18:58,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:18:58,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 08:18:58,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 08:18:58,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:18:58,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:18:58,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:18:58,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:18:58,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:18:58,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:18:58,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:18:58,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:18:58,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:18:58,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 08:18:58,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 08:18:58,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 08:18:58,089 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer 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 -> 308780b81e2d0866a989f5189e54a3384f9af47c [2019-11-20 08:18:58,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:18:58,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:18:58,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:18:58,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:18:58,265 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:18:58,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-20 08:18:58,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/data/ec86577ba/21353e5493a4438cbdc0d77529b55b31/FLAGa9ea2b517 [2019-11-20 08:18:58,792 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:18:58,793 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-20 08:18:58,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/data/ec86577ba/21353e5493a4438cbdc0d77529b55b31/FLAGa9ea2b517 [2019-11-20 08:18:59,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/data/ec86577ba/21353e5493a4438cbdc0d77529b55b31 [2019-11-20 08:18:59,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:18:59,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 08:18:59,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:18:59,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:18:59,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:18:59,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2797116c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59, skipping insertion in model container [2019-11-20 08:18:59,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:18:59,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:18:59,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:18:59,560 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:18:59,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:18:59,700 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:18:59,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59 WrapperNode [2019-11-20 08:18:59,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:18:59,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:18:59,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:18:59,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:18:59,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... [2019-11-20 08:18:59,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:18:59,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:18:59,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:18:59,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:18:59,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:18:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 08:18:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:18:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 08:18:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 08:18:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 08:18:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 08:18:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 08:18:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 08:18:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 08:18:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 08:18:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 08:18:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 08:18:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 08:18:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 08:18:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 08:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 08:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 08:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 08:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 08:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 08:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 08:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 08:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 08:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 08:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 08:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 08:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 08:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 08:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 08:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 08:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 08:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 08:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 08:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-11-20 08:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 08:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 08:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 08:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 08:19:00,414 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 08:19:00,844 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 08:19:01,192 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:19:01,192 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 08:19:01,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:19:01 BoogieIcfgContainer [2019-11-20 08:19:01,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:19:01,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:19:01,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:19:01,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:19:01,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:18:59" (1/3) ... [2019-11-20 08:19:01,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d78864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:19:01, skipping insertion in model container [2019-11-20 08:19:01,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:18:59" (2/3) ... [2019-11-20 08:19:01,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d78864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:19:01, skipping insertion in model container [2019-11-20 08:19:01,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:19:01" (3/3) ... [2019-11-20 08:19:01,207 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2019-11-20 08:19:01,217 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:19:01,226 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-20 08:19:01,236 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-20 08:19:01,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:19:01,255 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 08:19:01,255 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:19:01,255 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:19:01,256 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:19:01,256 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:19:01,256 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:19:01,256 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:19:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-20 08:19:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 08:19:01,285 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:19:01,285 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:19:01,286 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 08:19:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:19:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash 432015214, now seen corresponding path program 1 times [2019-11-20 08:19:01,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:19:01,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [378861996] [2019-11-20 08:19:01,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:19:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:19:01,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 08:19:01,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:19:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:01,631 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 08:19:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:01,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [378861996] [2019-11-20 08:19:01,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:19:01,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-20 08:19:01,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721977737] [2019-11-20 08:19:01,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 08:19:01,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 08:19:01,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 08:19:01,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:19:01,766 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-11-20 08:19:01,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:19:01,836 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2019-11-20 08:19:01,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:19:01,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-20 08:19:01,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:19:01,847 INFO L225 Difference]: With dead ends: 33 [2019-11-20 08:19:01,847 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 08:19:01,849 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 08:19:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 08:19:01,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 08:19:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 08:19:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-11-20 08:19:01,900 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2019-11-20 08:19:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:19:01,900 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-11-20 08:19:01,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 08:19:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-11-20 08:19:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 08:19:01,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:19:01,903 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:19:02,107 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:19:02,108 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 08:19:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:19:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash 507570031, now seen corresponding path program 1 times [2019-11-20 08:19:02,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:19:02,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1258714103] [2019-11-20 08:19:02,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:19:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:19:02,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 08:19:02,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:19:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:02,478 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 08:19:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:02,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1258714103] [2019-11-20 08:19:02,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:19:02,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-20 08:19:02,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466060725] [2019-11-20 08:19:02,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 08:19:02,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 08:19:02,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 08:19:02,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 08:19:02,645 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 9 states. [2019-11-20 08:19:02,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:19:02,825 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-20 08:19:02,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:19:02,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-11-20 08:19:02,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:19:02,827 INFO L225 Difference]: With dead ends: 29 [2019-11-20 08:19:02,828 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 08:19:02,828 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:19:02,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 08:19:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 08:19:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 08:19:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-20 08:19:02,833 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 19 [2019-11-20 08:19:02,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:19:02,835 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-20 08:19:02,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 08:19:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-20 08:19:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 08:19:02,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:19:02,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:19:03,047 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:19:03,048 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 08:19:03,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:19:03,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1445197936, now seen corresponding path program 1 times [2019-11-20 08:19:03,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:19:03,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [319735072] [2019-11-20 08:19:03,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:19:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:19:03,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 08:19:03,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:19:03,384 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 [2019-11-20 08:19:03,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:19:03,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:19:03,392 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 08:19:03,393 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 08:19:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:03,423 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 08:19:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:03,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [319735072] [2019-11-20 08:19:03,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:19:03,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-20 08:19:03,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20946871] [2019-11-20 08:19:03,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 08:19:03,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 08:19:03,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 08:19:03,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:19:03,529 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2019-11-20 08:19:03,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:19:03,611 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2019-11-20 08:19:03,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:19:03,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-20 08:19:03,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:19:03,614 INFO L225 Difference]: With dead ends: 43 [2019-11-20 08:19:03,614 INFO L226 Difference]: Without dead ends: 43 [2019-11-20 08:19:03,615 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:19:03,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-20 08:19:03,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2019-11-20 08:19:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-20 08:19:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-11-20 08:19:03,635 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2019-11-20 08:19:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:19:03,636 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-11-20 08:19:03,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 08:19:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-11-20 08:19:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 08:19:03,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:19:03,638 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:19:03,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:19:03,843 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 08:19:03,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:19:03,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1052818001, now seen corresponding path program 1 times [2019-11-20 08:19:03,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:19:03,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1657235181] [2019-11-20 08:19:03,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:19:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:19:04,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 08:19:04,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:19:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:04,095 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 08:19:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:19:04,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1657235181] [2019-11-20 08:19:04,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:19:04,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-20 08:19:04,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689894034] [2019-11-20 08:19:04,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 08:19:04,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 08:19:04,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 08:19:04,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 08:19:04,156 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 6 states. [2019-11-20 08:19:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:19:04,229 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-11-20 08:19:04,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 08:19:04,230 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-20 08:19:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:19:04,231 INFO L225 Difference]: With dead ends: 50 [2019-11-20 08:19:04,232 INFO L226 Difference]: Without dead ends: 48 [2019-11-20 08:19:04,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 08:19:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-20 08:19:04,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2019-11-20 08:19:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 08:19:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2019-11-20 08:19:04,239 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 20 [2019-11-20 08:19:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:19:04,239 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2019-11-20 08:19:04,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 08:19:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2019-11-20 08:19:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 08:19:04,241 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:19:04,241 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] [2019-11-20 08:19:04,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:19:04,452 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 08:19:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:19:04,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1855624532, now seen corresponding path program 1 times [2019-11-20 08:19:04,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:19:04,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1616083725] [2019-11-20 08:19:04,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:19:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:19:04,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 08:19:04,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:19:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:19:04,688 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 08:19:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:19:04,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1616083725] [2019-11-20 08:19:04,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:19:04,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 6 [2019-11-20 08:19:04,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50678342] [2019-11-20 08:19:04,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 08:19:04,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 08:19:04,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 08:19:04,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 08:19:04,858 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 6 states. [2019-11-20 08:19:04,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:19:04,936 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2019-11-20 08:19:04,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 08:19:04,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-11-20 08:19:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:19:04,937 INFO L225 Difference]: With dead ends: 45 [2019-11-20 08:19:04,938 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 08:19:04,938 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:19:04,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 08:19:04,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2019-11-20 08:19:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-20 08:19:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-20 08:19:04,943 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 27 [2019-11-20 08:19:04,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:19:04,944 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-20 08:19:04,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 08:19:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-20 08:19:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 08:19:04,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:19:04,945 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, 1, 1, 1] [2019-11-20 08:19:05,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:19:05,148 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 08:19:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:19:05,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1559590888, now seen corresponding path program 1 times [2019-11-20 08:19:05,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:19:05,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [434908034] [2019-11-20 08:19:05,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/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 [2019-11-20 08:19:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:19:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:19:05,452 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 08:19:05,452 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 08:19:05,653 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:19:05,671 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,672 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,672 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 08:19:05,672 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 08:19:05,673 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,673 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,673 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,674 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,674 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,674 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,675 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,675 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,676 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,676 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,676 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,677 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,679 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,679 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,679 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,680 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,680 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,680 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,681 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,681 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,689 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,693 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,693 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,693 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,694 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,694 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,694 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,694 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,695 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,695 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,695 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,696 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:19:05 BoogieIcfgContainer [2019-11-20 08:19:05,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:19:05,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:19:05,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:19:05,705 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:19:05,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:19:01" (3/4) ... [2019-11-20 08:19:05,707 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 08:19:05,713 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,718 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 08:19:05,718 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 08:19:05,718 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,719 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,719 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,720 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,720 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,720 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,720 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,721 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,721 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,722 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,723 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,724 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,724 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,725 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,725 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,725 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,725 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,726 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,726 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,726 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,727 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,727 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,727 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,728 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,728 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,729 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,731 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,731 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,732 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,732 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,732 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,732 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,733 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-20 08:19:05,766 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4ae6fa48-761c-42b5-9789-09440a2161cb/bin/uautomizer/witness.graphml [2019-11-20 08:19:05,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:19:05,768 INFO L168 Benchmark]: Toolchain (without parser) took 6712.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 939.3 MB in the beginning and 968.3 MB in the end (delta: -29.0 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:19:05,768 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:19:05,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:19:05,769 INFO L168 Benchmark]: Boogie Preprocessor took 122.05 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. [2019-11-20 08:19:05,769 INFO L168 Benchmark]: RCFGBuilder took 1376.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.3 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:19:05,770 INFO L168 Benchmark]: TraceAbstraction took 4502.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 958.3 MB in the beginning and 971.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:19:05,770 INFO L168 Benchmark]: Witness Printer took 62.27 ms. Allocated memory is still 1.2 GB. Free memory was 971.1 MB in the beginning and 968.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:19:05,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 645.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 122.05 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 1376.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.3 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4502.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 958.3 MB in the beginning and 971.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. * Witness Printer took 62.27 ms. Allocated memory is still 1.2 GB. Free memory was 971.1 MB in the beginning and 968.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L758] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L772] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L766] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L760] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, \result={16382:0}, a8={0:0}, ldv_global_msg_list={2147467265:0}, malloc(size)={16382:0}, size=4] [L760] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}, ldv_malloc(sizeof(int))={16382:0}] [L760] a8 = (int *)ldv_malloc(sizeof(int)) [L766] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) [L767] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L768] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 338 locations, 74 error locations. Result: UNSAFE, OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 111 SDslu, 325 SDs, 0 SdLazy, 173 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 10052 SizeOfPredicates, 8 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...