./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa 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_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/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 3c3780959fce78cf56ec9398e6f7b05938c23d68 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:05,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:05,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:06,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:06,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:06,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:06,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:06,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:06,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:06,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:06,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:06,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:06,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:06,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:06,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:06,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:06,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:06,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:06,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:06,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:06,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:06,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:06,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:06,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:06,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:06,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:06,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:06,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:06,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:06,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:06,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:06,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:06,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:06,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:06,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:06,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:06,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:06,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:06,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:06,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:06,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:06,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 08:54:06,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:06,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:06,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:06,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:06,094 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:06,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:06,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:06,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:54:06,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:06,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:06,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:06,095 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:54:06,095 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:54:06,095 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:54:06,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:06,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:54:06,096 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:54:06,096 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:06,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:06,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:06,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:06,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:06,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:06,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:06,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:06,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:06,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:06,098 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:54:06,098 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:54:06,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:54:06,099 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_ed714395-e979-49dd-abdf-37017d7bc500/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 -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2019-11-25 08:54:06,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:06,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:06,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:06,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:06,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:06,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2019-11-25 08:54:06,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/data/fce76b045/794db9857c744354acbbb4f4d10c7c2d/FLAG8066c6989 [2019-11-25 08:54:06,873 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:06,874 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2019-11-25 08:54:06,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/data/fce76b045/794db9857c744354acbbb4f4d10c7c2d/FLAG8066c6989 [2019-11-25 08:54:07,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/bin/uautomizer/data/fce76b045/794db9857c744354acbbb4f4d10c7c2d [2019-11-25 08:54:07,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:07,176 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:54:07,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:07,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:07,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:07,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:07" (1/1) ... [2019-11-25 08:54:07,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d673b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:07, skipping insertion in model container [2019-11-25 08:54:07,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:07" (1/1) ... [2019-11-25 08:54:07,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:07,262 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:07,730 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:54:07,731 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [576] [2019-11-25 08:54:07,731 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:07,756 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:54:07,756 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [607] [2019-11-25 08:54:07,756 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:07,761 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:54:07,762 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [607] [2019-11-25 08:54:07,762 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:07,766 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:54:07,767 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [607] [2019-11-25 08:54:07,767 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:07,803 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:54:07,804 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [706] [2019-11-25 08:54:07,804 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:07,817 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:54:07,817 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-25 08:54:07,817 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:54:07,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:07,840 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 08:54:07,851 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:07,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:07,900 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:07,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:08,052 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:08,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08 WrapperNode [2019-11-25 08:54:08,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:08,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:08,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:08,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:08,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... [2019-11-25 08:54:08,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:08,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:08,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:08,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:08,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/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 [2019-11-25 08:54:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 08:54:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:54:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 08:54:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 08:54:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 08:54:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 08:54:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 08:54:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 08:54:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 08:54:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 08:54:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 08:54:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 08:54:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 08:54:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 08:54:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 08:54:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2019-11-25 08:54:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2019-11-25 08:54:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 08:54:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 08:54:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 08:54:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 08:54:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 08:54:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 08:54:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 08:54:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 08:54:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 08:54:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 08:54:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 08:54:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 08:54:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 08:54:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 08:54:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 08:54:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 08:54:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 08:54:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 08:54:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 08:54:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 08:54:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 08:54:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 08:54:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 08:54:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 08:54:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 08:54:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 08:54:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 08:54:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 08:54:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 08:54:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 08:54:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 08:54:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 08:54:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 08:54:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 08:54:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 08:54:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 08:54:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 08:54:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 08:54:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 08:54:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 08:54:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 08:54:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 08:54:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 08:54:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 08:54:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 08:54:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 08:54:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 08:54:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 08:54:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 08:54:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 08:54:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 08:54:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 08:54:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 08:54:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 08:54:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:54:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 08:54:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 08:54:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 08:54:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2019-11-25 08:54:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 08:54:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 08:54:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 08:54:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 08:54:08,930 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:54:09,383 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:54:09,800 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:09,801 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 08:54:09,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:09 BoogieIcfgContainer [2019-11-25 08:54:09,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:09,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:09,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:09,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:09,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:07" (1/3) ... [2019-11-25 08:54:09,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652ea1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:09, skipping insertion in model container [2019-11-25 08:54:09,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:08" (2/3) ... [2019-11-25 08:54:09,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652ea1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:09, skipping insertion in model container [2019-11-25 08:54:09,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:09" (3/3) ... [2019-11-25 08:54:09,810 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2019-11-25 08:54:09,820 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:09,828 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 08:54:09,840 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 08:54:09,861 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:09,861 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 08:54:09,861 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:09,861 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:09,862 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:09,862 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:09,862 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:09,862 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-25 08:54:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:54:09,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:09,893 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:09,894 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, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-25 08:54:09,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:09,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2083159501, now seen corresponding path program 1 times [2019-11-25 08:54:09,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:54:09,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [990172480] [2019-11-25 08:54:09,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/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 [2019-11-25 08:54:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:10,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:54:10,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:10,297 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:54:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:10,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [990172480] [2019-11-25 08:54:10,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:10,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 08:54:10,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868443692] [2019-11-25 08:54:10,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:10,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:54:10,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:10,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:10,451 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-11-25 08:54:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:10,528 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-25 08:54:10,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:10,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-25 08:54:10,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:10,539 INFO L225 Difference]: With dead ends: 33 [2019-11-25 08:54:10,539 INFO L226 Difference]: Without dead ends: 30 [2019-11-25 08:54:10,541 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:10,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-25 08:54:10,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-25 08:54:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 08:54:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-25 08:54:10,579 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 19 [2019-11-25 08:54:10,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:10,580 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-25 08:54:10,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-25 08:54:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:54:10,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:10,582 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:10,784 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:54:10,785 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, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-25 08:54:10,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:10,786 INFO L82 PathProgramCache]: Analyzing trace with hash -153434666, now seen corresponding path program 1 times [2019-11-25 08:54:10,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:54:10,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [342477697] [2019-11-25 08:54:10,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/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 [2019-11-25 08:54:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:11,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:11,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:11,061 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:54:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:11,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [342477697] [2019-11-25 08:54:11,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:11,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-25 08:54:11,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710591246] [2019-11-25 08:54:11,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:54:11,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:54:11,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:54:11,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:11,144 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 8 states. [2019-11-25 08:54:11,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:11,158 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-11-25 08:54:11,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:11,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-25 08:54:11,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:11,161 INFO L225 Difference]: With dead ends: 22 [2019-11-25 08:54:11,161 INFO L226 Difference]: Without dead ends: 22 [2019-11-25 08:54:11,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:11,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-25 08:54:11,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-25 08:54:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:54:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-11-25 08:54:11,166 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2019-11-25 08:54:11,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:11,167 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-11-25 08:54:11,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:54:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-11-25 08:54:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-25 08:54:11,168 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:11,170 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:11,371 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:54:11,372 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, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-25 08:54:11,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:11,372 INFO L82 PathProgramCache]: Analyzing trace with hash -461173850, now seen corresponding path program 1 times [2019-11-25 08:54:11,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:54:11,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1306518124] [2019-11-25 08:54:11,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed714395-e979-49dd-abdf-37017d7bc500/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 [2019-11-25 08:54:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:11,786 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:54:11,786 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:54:11,987 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:54:11,997 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-25 08:54:12,002 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,003 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-25 08:54:12,003 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,003 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-25 08:54:12,004 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,004 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,004 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,004 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,005 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,005 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,006 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,006 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,007 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,007 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,008 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,008 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,008 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,009 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,009 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,009 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,010 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,010 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,011 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,011 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:54:12,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:12 BoogieIcfgContainer [2019-11-25 08:54:12,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:12,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:12,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:12,018 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:12,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:09" (3/4) ... [2019-11-25 08:54:12,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:54:12,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:12,025 INFO L168 Benchmark]: Toolchain (without parser) took 4849.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 942.1 MB in the beginning and 1.2 GB in the end (delta: -243.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:12,026 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:12,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -124.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:12,027 INFO L168 Benchmark]: Boogie Preprocessor took 142.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:12,028 INFO L168 Benchmark]: RCFGBuilder took 1604.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:12,028 INFO L168 Benchmark]: TraceAbstraction took 2214.71 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 947.6 MB in the beginning and 1.2 GB in the end (delta: -238.2 MB). Peak memory consumption was 182.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:12,029 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:12,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 874.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -124.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1604.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2214.71 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 947.6 MB in the beginning and 1.2 GB in the end (delta: -238.2 MB). Peak memory consumption was 182.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L757] int *a9; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={4329604:0}] [L773] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={4329604:0}] [L766] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={4329604:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={4329604:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, \result={-2143154044:0}, a9={0:0}, ldv_global_msg_list={4329604:0}, malloc(size)={-2143154044:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={4329604:0}, ldv_malloc(sizeof(int))={-2143154044:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={-2143154044:0}, ldv_global_msg_list={4329604:0}] [L766] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={-2143154044:0}, ldv_global_msg_list={4329604:0}, probe_9_2()=3] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={-2143154044:0}, ldv_global_msg_list={4329604:0}, ret=3] [L770] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={4329604:0}, ret=3] [L773] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={4329604:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 27 SDslu, 134 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2436 SizeOfPredicates, 2 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...