./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.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_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 196dc2229ba70f5585396e57d0fe02afafc43670 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 05:10:41,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:10:41,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:10:41,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:10:41,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:10:41,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:10:41,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:10:41,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:10:41,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:10:41,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:10:41,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:10:41,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:10:41,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:10:41,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:10:41,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:10:41,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:10:41,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:10:41,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:10:41,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:10:41,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:10:41,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:10:41,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:10:41,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:10:41,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:10:41,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:10:41,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:10:41,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:10:41,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:10:41,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:10:41,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:10:41,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:10:41,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:10:41,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:10:41,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:10:41,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:10:41,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:10:41,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:10:41,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:10:41,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:10:41,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:10:41,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:10:41,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 05:10:41,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:10:41,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:10:42,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:10:42,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:10:42,001 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:10:42,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:10:42,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:10:42,001 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:10:42,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:10:42,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:10:42,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:10:42,002 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 05:10:42,002 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 05:10:42,002 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 05:10:42,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:10:42,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:10:42,003 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:10:42,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:10:42,003 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:10:42,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:10:42,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:10:42,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:10:42,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:10:42,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:10:42,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:10:42,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:10:42,004 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 05:10:42,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:10:42,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:10:42,005 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_1cc59ece-a5b4-421d-8292-f749617dd77b/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 -> 196dc2229ba70f5585396e57d0fe02afafc43670 [2019-11-20 05:10:42,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:10:42,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:10:42,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:10:42,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:10:42,180 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:10:42,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-20 05:10:42,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/data/35904ddd4/66d5feda02ab441cac48b6d77936c652/FLAGe16eec07c [2019-11-20 05:10:42,719 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:10:42,719 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-20 05:10:42,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/data/35904ddd4/66d5feda02ab441cac48b6d77936c652/FLAGe16eec07c [2019-11-20 05:10:42,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/bin/uautomizer/data/35904ddd4/66d5feda02ab441cac48b6d77936c652 [2019-11-20 05:10:42,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:10:42,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 05:10:42,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:10:42,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:10:42,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:10:42,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:10:42" (1/1) ... [2019-11-20 05:10:42,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c9d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:42, skipping insertion in model container [2019-11-20 05:10:42,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:10:42" (1/1) ... [2019-11-20 05:10:42,764 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:10:42,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:10:43,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:10:43,263 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:10:43,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:10:43,398 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:10:43,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43 WrapperNode [2019-11-20 05:10:43,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:10:43,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:10:43,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:10:43,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:10:43,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... [2019-11-20 05:10:43,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:10:43,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:10:43,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:10:43,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:10:43,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 05:10:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 05:10:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:10:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 05:10:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 05:10:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 05:10:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 05:10:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 05:10:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 05:10:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 05:10:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 05:10:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 05:10:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 05:10:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 05:10:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 05:10:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 05:10:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 05:10:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 05:10:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 05:10:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 05:10:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 05:10:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 05:10:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 05:10:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 05:10:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 05:10:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 05:10:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 05:10:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 05:10:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 05:10:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 05:10:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 05:10:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-11-20 05:10:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 05:10:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 05:10:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 05:10:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 05:10:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 05:10:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 05:10:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 05:10:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 05:10:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 05:10:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 05:10:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 05:10:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 05:10:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 05:10:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 05:10:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 05:10:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 05:10:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 05:10:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 05:10:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 05:10:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 05:10:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 05:10:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 05:10:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 05:10:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 05:10:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 05:10:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 05:10:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 05:10:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 05:10:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 05:10:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 05:10:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 05:10:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 05:10:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 05:10:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 05:10:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 05:10:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 05:10:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 05:10:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 05:10:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 05:10:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 05:10:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 05:10:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 05:10:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 05:10:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 05:10:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 05:10:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 05:10:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 05:10:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 05:10:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 05:10:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 05:10:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 05:10:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 05:10:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 05:10:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 05:10:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 05:10:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 05:10:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 05:10:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 05:10:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 05:10:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 05:10:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 05:10:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 05:10:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 05:10:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 05:10:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 05:10:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 05:10:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 05:10:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 05:10:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 05:10:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 05:10:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:10:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 05:10:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 05:10:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 05:10:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 05:10:44,265 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 05:10:44,669 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 05:10:45,089 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:10:45,093 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 05:10:45,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:45 BoogieIcfgContainer [2019-11-20 05:10:45,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:10:45,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:10:45,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:10:45,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:10:45,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:10:42" (1/3) ... [2019-11-20 05:10:45,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6c6e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:10:45, skipping insertion in model container [2019-11-20 05:10:45,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:43" (2/3) ... [2019-11-20 05:10:45,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6c6e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:10:45, skipping insertion in model container [2019-11-20 05:10:45,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:45" (3/3) ... [2019-11-20 05:10:45,104 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2019-11-20 05:10:45,113 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:10:45,122 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-11-20 05:10:45,132 INFO L249 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-11-20 05:10:45,157 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:10:45,157 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 05:10:45,157 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:10:45,157 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:10:45,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:10:45,158 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:10:45,158 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:10:45,158 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:10:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-11-20 05:10:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:10:45,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:10:45,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:10:45,195 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 05:10:45,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:10:45,202 INFO L82 PathProgramCache]: Analyzing trace with hash -659960183, now seen corresponding path program 1 times [2019-11-20 05:10:45,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:10:45,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1452208929] [2019-11-20 05:10:45,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 05:10:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:10:45,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:10:45,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:10:45,580 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 05:10:45,581 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:10:45,659 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 05:10:45,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1452208929] [2019-11-20 05:10:45,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:10:45,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-20 05:10:45,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361255300] [2019-11-20 05:10:45,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:10:45,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:10:45,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:10:45,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:10:45,681 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-11-20 05:10:45,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:10:45,744 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-11-20 05:10:45,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:10:45,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 05:10:45,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:10:45,755 INFO L225 Difference]: With dead ends: 53 [2019-11-20 05:10:45,756 INFO L226 Difference]: Without dead ends: 50 [2019-11-20 05:10:45,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 05:10:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-20 05:10:45,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-20 05:10:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-20 05:10:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-11-20 05:10:45,799 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-11-20 05:10:45,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:10:45,800 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-11-20 05:10:45,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:10:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-11-20 05:10:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:10:45,802 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:10:45,803 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:10:46,010 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 05:10:46,010 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 05:10:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:10:46,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1016071239, now seen corresponding path program 1 times [2019-11-20 05:10:46,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:10:46,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1484842462] [2019-11-20 05:10:46,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 05:10:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:10:46,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:10:46,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:10:46,396 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 05:10:46,396 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:10:46,531 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 05:10:46,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1484842462] [2019-11-20 05:10:46,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:10:46,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-20 05:10:46,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392033511] [2019-11-20 05:10:46,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 05:10:46,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:10:46,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 05:10:46,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:10:46,535 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 9 states. [2019-11-20 05:10:46,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:10:46,824 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2019-11-20 05:10:46,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:10:46,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-20 05:10:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:10:46,828 INFO L225 Difference]: With dead ends: 49 [2019-11-20 05:10:46,828 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 05:10:46,829 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:10:46,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 05:10:46,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-20 05:10:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-20 05:10:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2019-11-20 05:10:46,841 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 24 [2019-11-20 05:10:46,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:10:46,841 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2019-11-20 05:10:46,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 05:10:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2019-11-20 05:10:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:10:46,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:10:46,843 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:10:47,047 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 05:10:47,048 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 05:10:47,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:10:47,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1402422094, now seen corresponding path program 1 times [2019-11-20 05:10:47,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:10:47,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [302558987] [2019-11-20 05:10:47,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 05:10:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:10:47,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:10:47,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:10:47,338 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 05:10:47,339 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:10:47,440 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 05:10:47,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [302558987] [2019-11-20 05:10:47,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:10:47,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 05:10:47,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149594364] [2019-11-20 05:10:47,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:10:47,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:10:47,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:10:47,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:10:47,442 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 5 states. [2019-11-20 05:10:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:10:47,491 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2019-11-20 05:10:47,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:10:47,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 05:10:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:10:47,495 INFO L225 Difference]: With dead ends: 68 [2019-11-20 05:10:47,495 INFO L226 Difference]: Without dead ends: 68 [2019-11-20 05:10:47,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 05:10:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-20 05:10:47,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 53. [2019-11-20 05:10:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-20 05:10:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-11-20 05:10:47,510 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2019-11-20 05:10:47,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:10:47,510 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-11-20 05:10:47,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:10:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-11-20 05:10:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:10:47,512 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:10:47,512 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:10:47,714 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 05:10:47,715 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 05:10:47,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:10:47,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1433437771, now seen corresponding path program 1 times [2019-11-20 05:10:47,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:10:47,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [276729157] [2019-11-20 05:10:47,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 05:10:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:10:47,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:10:47,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:10:48,004 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 05:10:48,004 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 05:10:48,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 05:10:48,009 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 05:10:48,010 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 05:10:48,057 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 05:10:48,057 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:10:48,102 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 05:10:48,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [276729157] [2019-11-20 05:10:48,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:10:48,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-20 05:10:48,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599456127] [2019-11-20 05:10:48,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:10:48,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:10:48,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:10:48,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:10:48,104 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 6 states. [2019-11-20 05:10:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:10:48,346 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2019-11-20 05:10:48,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:10:48,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-20 05:10:48,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:10:48,348 INFO L225 Difference]: With dead ends: 77 [2019-11-20 05:10:48,348 INFO L226 Difference]: Without dead ends: 77 [2019-11-20 05:10:48,348 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:10:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-20 05:10:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2019-11-20 05:10:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-20 05:10:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2019-11-20 05:10:48,355 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 25 [2019-11-20 05:10:48,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:10:48,355 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2019-11-20 05:10:48,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:10:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2019-11-20 05:10:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:10:48,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:10:48,357 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:10:48,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 05:10:48,564 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 05:10:48,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:10:48,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1695825101, now seen corresponding path program 1 times [2019-11-20 05:10:48,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:10:48,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1240888071] [2019-11-20 05:10:48,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cc59ece-a5b4-421d-8292-f749617dd77b/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 05:10:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:10:48,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:10:48,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:10:48,855 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 05:10:48,856 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-20 05:10:48,856 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 05:10:48,890 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-20 05:10:48,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:10:48,893 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 05:10:48,893 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-20 05:10:48,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:10:48,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:10:48,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:10:48,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:10:55,068 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 05:10:55,068 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:10:59,396 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 05:10:59,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 05:10:59,400 INFO L168 Benchmark]: Toolchain (without parser) took 16649.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -77.2 MB). Peak memory consumption was 143.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:59,401 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:10:59,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:59,402 INFO L168 Benchmark]: Boogie Preprocessor took 92.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:10:59,402 INFO L168 Benchmark]: RCFGBuilder took 1602.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 117.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:59,403 INFO L168 Benchmark]: TraceAbstraction took 14302.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 982.0 MB in the beginning and 1.0 GB in the end (delta: -35.9 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:59,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 647.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1602.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 117.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14302.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 982.0 MB in the beginning and 1.0 GB in the end (delta: -35.9 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...