./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.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_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:58:29,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:58:29,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:58:29,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:58:29,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:58:29,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:58:29,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:58:29,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:58:29,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:58:29,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:58:29,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:58:29,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:58:29,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:58:29,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:58:29,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:58:29,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:58:29,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:58:29,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:58:29,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:58:29,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:58:29,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:58:29,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:58:29,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:58:29,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:58:29,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:58:29,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:58:29,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:58:29,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:58:29,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:58:29,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:58:29,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:58:29,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:58:29,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:58:29,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:58:29,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:58:29,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:58:29,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:58:29,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:58:29,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:58:29,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:58:29,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:58:29,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 08:58:29,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:58:29,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:58:29,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:58:29,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:58:29,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:58:29,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:58:29,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:58:29,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:58:29,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:58:29,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:58:29,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:58:29,212 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:58:29,212 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:58:29,212 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:58:29,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:58:29,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:58:29,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:58:29,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:29,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:58:29,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:58:29,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:58:29,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:58:29,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:58:29,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:58:29,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:58:29,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:58:29,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:58:29,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:58:29,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:58:29,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:58:29,216 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_5232eed3-d917-4e72-8122-2703397f4b86/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 -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2019-11-25 08:58:29,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:58:29,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:58:29,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:58:29,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:58:29,395 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:58:29,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-11-25 08:58:29,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/data/a8618f5b7/43e1351bb105485aa78cbf3d5da7c866/FLAG4ab3d4c6a [2019-11-25 08:58:29,945 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:58:29,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-11-25 08:58:29,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/data/a8618f5b7/43e1351bb105485aa78cbf3d5da7c866/FLAG4ab3d4c6a [2019-11-25 08:58:30,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/bin/uautomizer/data/a8618f5b7/43e1351bb105485aa78cbf3d5da7c866 [2019-11-25 08:58:30,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:58:30,231 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:58:30,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:30,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:58:30,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:58:30,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:30" (1/1) ... [2019-11-25 08:58:30,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edd3c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:30, skipping insertion in model container [2019-11-25 08:58:30,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:30" (1/1) ... [2019-11-25 08:58:30,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:58:30,311 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:30,722 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 08:58:30,722 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [576] [2019-11-25 08:58:30,723 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:30,746 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 08:58:30,747 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [607] [2019-11-25 08:58:30,747 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:30,749 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 08:58:30,749 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [607] [2019-11-25 08:58:30,750 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:30,751 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 08:58:30,752 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [607] [2019-11-25 08:58:30,752 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:30,773 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 08:58:30,774 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [706] [2019-11-25 08:58:30,774 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:30,782 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 08:58:30,783 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [758] [2019-11-25 08:58:30,783 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:30,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:30,813 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 08:58:30,824 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:30,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:30,931 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:58:30,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:31,073 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:58:31,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31 WrapperNode [2019-11-25 08:58:31,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:31,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:58:31,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:58:31,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:58:31,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... [2019-11-25 08:58:31,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:58:31,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:58:31,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:58:31,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:58:31,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/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 08:58:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 08:58:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:58:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:58:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:58:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 08:58:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 08:58:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 08:58:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 08:58:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 08:58:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 08:58:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 08:58:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 08:58:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 08:58:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:58:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 08:58:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 08:58:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 08:58:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 08:58:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 08:58:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 08:58:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 08:58:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 08:58:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 08:58:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 08:58:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 08:58:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 08:58:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 08:58:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 08:58:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 08:58:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 08:58:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 08:58:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 08:58:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 08:58:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 08:58:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 08:58:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 08:58:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 08:58:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 08:58:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 08:58:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 08:58:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 08:58:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 08:58:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2019-11-25 08:58:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-11-25 08:58:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 08:58:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 08:58:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 08:58:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 08:58:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 08:58:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 08:58:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 08:58:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 08:58:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 08:58:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 08:58:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 08:58:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 08:58:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 08:58:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 08:58:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 08:58:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 08:58:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 08:58:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 08:58:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 08:58:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 08:58:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 08:58:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 08:58:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 08:58:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 08:58:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 08:58:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 08:58:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 08:58:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 08:58:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 08:58:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 08:58:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 08:58:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 08:58:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 08:58:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 08:58:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 08:58:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 08:58:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 08:58:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 08:58:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 08:58:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 08:58:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 08:58:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 08:58:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 08:58:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 08:58:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 08:58:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 08:58:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 08:58:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 08:58:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 08:58:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 08:58:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 08:58:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 08:58:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 08:58:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 08:58:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 08:58:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 08:58:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 08:58:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 08:58:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 08:58:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 08:58:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 08:58:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 08:58:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 08:58:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 08:58:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 08:58:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 08:58:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 08:58:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 08:58:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 08:58:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 08:58:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 08:58:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 08:58:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 08:58:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 08:58:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 08:58:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 08:58:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 08:58:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 08:58:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 08:58:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 08:58:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 08:58:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 08:58:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 08:58:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 08:58:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 08:58:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 08:58:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 08:58:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 08:58:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 08:58:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 08:58:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 08:58:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 08:58:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 08:58:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 08:58:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 08:58:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 08:58:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 08:58:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 08:58:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 08:58:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 08:58:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:58:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 08:58:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 08:58:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 08:58:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 08:58:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 08:58:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 08:58:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 08:58:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 08:58:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:58:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:58:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 08:58:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 08:58:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:58:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 08:58:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 08:58:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 08:58:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 08:58:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 08:58:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 08:58:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 08:58:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 08:58:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2019-11-25 08:58:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-11-25 08:58:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:58:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 08:58:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 08:58:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 08:58:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 08:58:31,953 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:58:32,339 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:58:32,676 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:58:32,677 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 08:58:32,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:32 BoogieIcfgContainer [2019-11-25 08:58:32,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:58:32,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:58:32,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:58:32,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:58:32,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:58:30" (1/3) ... [2019-11-25 08:58:32,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6466fbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:58:32, skipping insertion in model container [2019-11-25 08:58:32,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:31" (2/3) ... [2019-11-25 08:58:32,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6466fbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:58:32, skipping insertion in model container [2019-11-25 08:58:32,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:32" (3/3) ... [2019-11-25 08:58:32,687 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2019-11-25 08:58:32,695 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:58:32,703 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 08:58:32,713 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 08:58:32,732 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:58:32,733 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 08:58:32,738 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:58:32,738 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:58:32,738 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:58:32,738 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:58:32,739 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:58:32,739 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:58:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-25 08:58:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:58:32,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:58:32,771 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 08:58:32,771 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:58:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:32,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1865659629, now seen corresponding path program 1 times [2019-11-25 08:58:32,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:58:32,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [837354845] [2019-11-25 08:58:32,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/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 08:58:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:33,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:58:33,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:33,161 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 08:58:33,161 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:58:33,208 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 08:58:33,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [837354845] [2019-11-25 08:58:33,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:33,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-25 08:58:33,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482643480] [2019-11-25 08:58:33,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:58:33,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:58:33,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:58:33,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:58:33,231 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 7 states. [2019-11-25 08:58:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:33,303 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-25 08:58:33,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:58:33,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-11-25 08:58:33,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:58:33,313 INFO L225 Difference]: With dead ends: 33 [2019-11-25 08:58:33,313 INFO L226 Difference]: Without dead ends: 30 [2019-11-25 08:58:33,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:58:33,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-25 08:58:33,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-25 08:58:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 08:58:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-25 08:58:33,354 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-25 08:58:33,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:58:33,355 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-25 08:58:33,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:58:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-25 08:58:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-25 08:58:33,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:58:33,357 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] [2019-11-25 08:58:33,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:58:33,561 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:58:33,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:33,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2000874010, now seen corresponding path program 1 times [2019-11-25 08:58:33,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:58:33,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [747621494] [2019-11-25 08:58:33,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/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 08:58:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:33,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:58:33,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:33,917 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 08:58:33,917 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:58:33,949 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 08:58:33,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [747621494] [2019-11-25 08:58:33,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:33,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 08:58:33,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260341205] [2019-11-25 08:58:33,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:58:33,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:58:33,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:58:33,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:58:33,952 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 8 states. [2019-11-25 08:58:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:34,018 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-25 08:58:34,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:58:34,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-25 08:58:34,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:58:34,020 INFO L225 Difference]: With dead ends: 26 [2019-11-25 08:58:34,020 INFO L226 Difference]: Without dead ends: 25 [2019-11-25 08:58:34,021 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:58:34,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-25 08:58:34,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-25 08:58:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:58:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-11-25 08:58:34,029 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2019-11-25 08:58:34,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:58:34,029 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-11-25 08:58:34,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:58:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-11-25 08:58:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:58:34,030 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:58:34,030 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] [2019-11-25 08:58:34,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:58:34,239 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:58:34,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:34,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1573100356, now seen corresponding path program 1 times [2019-11-25 08:58:34,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:58:34,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [956894634] [2019-11-25 08:58:34,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5232eed3-d917-4e72-8122-2703397f4b86/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 08:58:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:34,621 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:58:34,627 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:58:34,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:58:34,839 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-25 08:58:34,843 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 08:58:34,844 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 08:58:34,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:58:34 BoogieIcfgContainer [2019-11-25 08:58:34,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:58:34,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:34,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:34,851 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:34,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:32" (3/4) ... [2019-11-25 08:58:34,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:58:34,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:34,856 INFO L168 Benchmark]: Toolchain (without parser) took 4624.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:34,857 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 08:58:34,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:34,858 INFO L168 Benchmark]: Boogie Preprocessor took 87.66 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. [2019-11-25 08:58:34,858 INFO L168 Benchmark]: RCFGBuilder took 1515.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.8 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:34,859 INFO L168 Benchmark]: TraceAbstraction took 2171.57 ms. Allocated memory is still 1.2 GB. Free memory was 983.8 MB in the beginning and 1.1 GB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:34,859 INFO L168 Benchmark]: Witness Printer took 3.69 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. [2019-11-25 08:58:34,861 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 841.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.66 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 1515.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.8 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2171.57 ms. Allocated memory is still 1.2 GB. Free memory was 983.8 MB in the beginning and 1.1 GB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.69 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. * 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 STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={1082401:0}] [L771] CALL entry_point() VAL [ldv_global_msg_list={1082401:0}] [L767] CALL, EXPR f5() VAL [ldv_global_msg_list={1082401:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1082401:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={-2146401247:0}, ldv_global_msg_list={1082401:0}, malloc(size)={-2146401247:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1082401:0}, ldv_malloc(sizeof(int))={-2146401247:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [\result={0:0}, ldv_global_msg_list={1082401:0}, p={-2146401247:0}] [L767] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={1082401:0}] [L767] int *p = f5(); [L768] CALL g5(p) VAL [ldv_global_msg_list={1082401:0}, p={0:0}] [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1082401:0}, p={0:0}, p={0:0}] [L768] RET g5(p) VAL [ldv_global_msg_list={1082401:0}, p={0:0}] [L771] RET entry_point() VAL [ldv_global_msg_list={1082401:0}] - 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: 49 SDtfs, 25 SDslu, 244 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 2654 SizeOfPredicates, 4 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 13 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...