./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.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_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:24,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:24,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:24,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:24,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:24,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:24,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:24,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:24,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:24,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:24,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:24,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:24,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:24,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:24,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:24,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:24,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:24,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:24,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:24,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:24,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:24,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:24,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:24,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:24,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:24,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:24,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:24,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:24,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:24,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:24,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:24,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:24,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:24,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:24,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:24,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:24,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:24,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:24,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:24,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:24,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:24,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 08:51:24,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:24,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:24,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:24,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:24,842 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:24,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:24,843 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:24,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:51:24,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:24,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:24,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:24,844 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:51:24,844 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:51:24,844 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:51:24,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:24,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:51:24,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:51:24,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:24,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:24,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:24,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:24,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:24,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:24,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:24,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:24,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:24,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:24,858 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:51:24,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:51:24,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:51:24,859 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_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-11-25 08:51:25,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:25,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:25,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:25,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:25,018 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:25,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-25 08:51:25,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/data/f5f4db1fe/ef84509c9a124a68b7b9bfdb70dd0958/FLAG3ee98a371 [2019-11-25 08:51:25,550 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:25,551 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-25 08:51:25,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/data/f5f4db1fe/ef84509c9a124a68b7b9bfdb70dd0958/FLAG3ee98a371 [2019-11-25 08:51:26,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/data/f5f4db1fe/ef84509c9a124a68b7b9bfdb70dd0958 [2019-11-25 08:51:26,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:26,040 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:51:26,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:26,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:26,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:26,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3d0598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26, skipping insertion in model container [2019-11-25 08:51:26,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:26,103 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:26,480 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 08:51:26,480 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [576] [2019-11-25 08:51:26,480 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,499 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 08:51:26,499 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [607] [2019-11-25 08:51:26,500 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,502 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 08:51:26,502 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [607] [2019-11-25 08:51:26,502 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,504 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 08:51:26,505 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [607] [2019-11-25 08:51:26,505 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,530 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 08:51:26,532 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [706] [2019-11-25 08:51:26,532 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,548 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 08:51:26,548 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [758] [2019-11-25 08:51:26,548 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:26,578 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 08:51:26,595 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:26,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:26,651 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:26,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:26,795 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:26,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26 WrapperNode [2019-11-25 08:51:26,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:26,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:26,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:26,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:26,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:26,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:26,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:26,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:26,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/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 08:51:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 08:51:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:51:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:51:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 08:51:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 08:51:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 08:51:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 08:51:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 08:51:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 08:51:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 08:51:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 08:51:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 08:51:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:51:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 08:51:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 08:51:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 08:51:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 08:51:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 08:51:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 08:51:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 08:51:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 08:51:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 08:51:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 08:51:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 08:51:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 08:51:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 08:51:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 08:51:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 08:51:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 08:51:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 08:51:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 08:51:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 08:51:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 08:51:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 08:51:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 08:51:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 08:51:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 08:51:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 08:51:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 08:51:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 08:51:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 08:51:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 08:51:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 08:51:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 08:51:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 08:51:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 08:51:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 08:51:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 08:51:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 08:51:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 08:51:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 08:51:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 08:51:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 08:51:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 08:51:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 08:51:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 08:51:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 08:51:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 08:51:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 08:51:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 08:51:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 08:51:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 08:51:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 08:51:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 08:51:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 08:51:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 08:51:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 08:51:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 08:51:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 08:51:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 08:51:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 08:51:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 08:51:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 08:51:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 08:51:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 08:51:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 08:51:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 08:51:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 08:51:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 08:51:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 08:51:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 08:51:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 08:51:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 08:51:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 08:51:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 08:51:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 08:51:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 08:51:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 08:51:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 08:51:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 08:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 08:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 08:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 08:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 08:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 08:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 08:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 08:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 08:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 08:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 08:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 08:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 08:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 08:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 08:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 08:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 08:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 08:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 08:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 08:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 08:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 08:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 08:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 08:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 08:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 08:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 08:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 08:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 08:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 08:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 08:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 08:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 08:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 08:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 08:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 08:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 08:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 08:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 08:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 08:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 08:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 08:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 08:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 08:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 08:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 08:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 08:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 08:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 08:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 08:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 08:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 08:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 08:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 08:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 08:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 08:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 08:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 08:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 08:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 08:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 08:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 08:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 08:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 08:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 08:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 08:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 08:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 08:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 08:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 08:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 08:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 08:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 08:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 08:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 08:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 08:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 08:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 08:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 08:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 08:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 08:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 08:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 08:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 08:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 08:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 08:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 08:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 08:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 08:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 08:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 08:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 08:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 08:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 08:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 08:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 08:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 08:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 08:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 08:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 08:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 08:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 08:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 08:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 08:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 08:51:27,788 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:28,169 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:28,530 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:28,530 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 08:51:28,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:28 BoogieIcfgContainer [2019-11-25 08:51:28,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:28,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:28,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:28,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:28,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:26" (1/3) ... [2019-11-25 08:51:28,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd3e507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:28, skipping insertion in model container [2019-11-25 08:51:28,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26" (2/3) ... [2019-11-25 08:51:28,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd3e507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:28, skipping insertion in model container [2019-11-25 08:51:28,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:28" (3/3) ... [2019-11-25 08:51:28,539 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-25 08:51:28,549 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:28,557 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 08:51:28,569 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 08:51:28,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:28,596 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 08:51:28,596 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:28,597 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:28,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:28,598 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:28,603 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:28,603 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-25 08:51:28,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:51:28,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:28,640 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:28,641 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:51:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:28,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-25 08:51:28,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:28,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [928946124] [2019-11-25 08:51:28,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/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 08:51:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:28,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:51:28,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:29,027 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 08:51:29,027 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:29,085 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 08:51:29,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [928946124] [2019-11-25 08:51:29,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:29,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 08:51:29,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641178736] [2019-11-25 08:51:29,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:51:29,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:51:29,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:29,112 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-25 08:51:29,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:29,143 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-25 08:51:29,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:51:29,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-25 08:51:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:29,152 INFO L225 Difference]: With dead ends: 24 [2019-11-25 08:51:29,152 INFO L226 Difference]: Without dead ends: 21 [2019-11-25 08:51:29,153 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:29,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-25 08:51:29,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-25 08:51:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-25 08:51:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-25 08:51:29,187 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-25 08:51:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:29,187 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-25 08:51:29,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:51:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-25 08:51:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:51:29,188 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:29,188 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:29,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:29,393 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:51:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-25 08:51:29,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:29,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1206419745] [2019-11-25 08:51:29,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/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 08:51:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:29,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:51:29,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:29,755 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 08:51:29,756 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:29,890 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 08:51:29,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1206419745] [2019-11-25 08:51:29,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:29,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-25 08:51:29,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099450122] [2019-11-25 08:51:29,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 08:51:29,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:29,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 08:51:29,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:51:29,893 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-11-25 08:51:30,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:30,073 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-11-25 08:51:30,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:51:30,074 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-25 08:51:30,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:30,075 INFO L225 Difference]: With dead ends: 20 [2019-11-25 08:51:30,075 INFO L226 Difference]: Without dead ends: 20 [2019-11-25 08:51:30,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:51:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-25 08:51:30,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-25 08:51:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 08:51:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-25 08:51:30,080 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2019-11-25 08:51:30,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:30,081 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-25 08:51:30,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 08:51:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-25 08:51:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:51:30,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:30,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:30,287 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:30,288 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:51:30,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:30,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-25 08:51:30,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:30,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1463419135] [2019-11-25 08:51:30,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/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 08:51:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:30,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:51:30,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:30,670 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 08:51:30,670 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:51:30,673 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:51:30,674 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:51:30,674 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 08:51:30,702 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 08:51:30,702 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:30,750 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 08:51:30,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1463419135] [2019-11-25 08:51:30,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:30,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 08:51:30,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094933423] [2019-11-25 08:51:30,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:51:30,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:30,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:51:30,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:30,751 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2019-11-25 08:51:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:30,802 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-25 08:51:30,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:51:30,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-25 08:51:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:30,803 INFO L225 Difference]: With dead ends: 26 [2019-11-25 08:51:30,804 INFO L226 Difference]: Without dead ends: 26 [2019-11-25 08:51:30,804 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:30,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-25 08:51:30,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-25 08:51:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-25 08:51:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-25 08:51:30,809 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2019-11-25 08:51:30,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:30,809 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-25 08:51:30,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:51:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-25 08:51:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:51:30,810 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:30,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:31,011 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:31,012 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:51:31,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:31,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2019-11-25 08:51:31,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:31,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [941631545] [2019-11-25 08:51:31,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:31,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:51:31,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:31,230 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 08:51:31,230 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:31,247 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 08:51:31,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [941631545] [2019-11-25 08:51:31,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:31,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 08:51:31,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242691730] [2019-11-25 08:51:31,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:51:31,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:31,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:51:31,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:31,249 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-25 08:51:31,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:31,269 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-11-25 08:51:31,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:51:31,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-25 08:51:31,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:31,272 INFO L225 Difference]: With dead ends: 27 [2019-11-25 08:51:31,272 INFO L226 Difference]: Without dead ends: 27 [2019-11-25 08:51:31,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-25 08:51:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-11-25 08:51:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:51:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-25 08:51:31,276 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-25 08:51:31,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:31,277 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-25 08:51:31,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:51:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-25 08:51:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:51:31,278 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:31,278 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:31,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:31,481 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 08:51:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:31,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-25 08:51:31,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:31,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2113387288] [2019-11-25 08:51:31,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d28f72-0bc0-476f-b5ff-ed32fce988e7/bin/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:31,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 08:51:31,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:31,758 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:51:31,758 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-25 08:51:31,759 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:51:31,784 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-25 08:51:31,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:31,787 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:51:31,787 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-25 08:51:31,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:31,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:31,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:31,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:38,022 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 08:51:38,022 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:42,344 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:51:42,345 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 08:51:42,348 INFO L168 Benchmark]: Toolchain (without parser) took 16308.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -106.4 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:42,348 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:42,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:42,351 INFO L168 Benchmark]: Boogie Preprocessor took 125.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:42,353 INFO L168 Benchmark]: RCFGBuilder took 1608.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:42,354 INFO L168 Benchmark]: TraceAbstraction took 13813.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 965.4 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 961.5 kB. Max. memory is 11.5 GB. [2019-11-25 08:51:42,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 756.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1608.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13813.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 965.4 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 961.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...