./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b099a717aded091d5866869f3c84b7af6ed3ff48 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b099a717aded091d5866869f3c84b7af6ed3ff48 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:23,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:23,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:24,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:24,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:24,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:24,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:24,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:24,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:24,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:24,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:24,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:24,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:24,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:24,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:24,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:24,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:24,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:24,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:24,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:24,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:24,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:24,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:24,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:24,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:24,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:24,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:24,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:24,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:24,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:24,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:24,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:24,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:24,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:24,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:24,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:24,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:24,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:24,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:24,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:24,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:24,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:40:24,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:24,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:24,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:24,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:24,081 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:24,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:24,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:24,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:24,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:24,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:24,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:24,084 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:24,084 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:24,084 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:24,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:24,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:24,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:24,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:24,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:24,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:24,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:24,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:24,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:24,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:24,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:24,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:40:24,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:40:24,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b099a717aded091d5866869f3c84b7af6ed3ff48 [2019-11-28 02:40:24,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:24,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:24,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:24,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:24,446 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:24,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-28 02:40:24,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f8d5403/1d7547202ccb4bd0acc4bc5b0354eea3/FLAGc909bce6c [2019-11-28 02:40:25,143 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:25,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-28 02:40:25,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f8d5403/1d7547202ccb4bd0acc4bc5b0354eea3/FLAGc909bce6c [2019-11-28 02:40:25,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f8d5403/1d7547202ccb4bd0acc4bc5b0354eea3 [2019-11-28 02:40:25,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:25,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:25,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:25,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:25,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:25,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:25" (1/1) ... [2019-11-28 02:40:25,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bba92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:25, skipping insertion in model container [2019-11-28 02:40:25,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:25" (1/1) ... [2019-11-28 02:40:25,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:25,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:26,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:26,054 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:40:26,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1993c542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:26, skipping insertion in model container [2019-11-28 02:40:26,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:26,056 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:40:26,059 INFO L168 Benchmark]: Toolchain (without parser) took 704.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:26,060 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:26,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:26,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 700.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:27,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:27,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:27,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:27,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:27,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:27,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:27,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:27,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:27,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:27,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:27,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:27,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:27,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:27,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:27,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:27,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:27,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:27,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:27,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:27,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:27,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:27,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:27,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:27,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:27,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:27,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:27,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:27,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:27,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:27,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:27,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:27,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:27,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:27,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:27,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:27,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:27,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:27,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:27,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:27,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:27,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:40:28,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:28,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:28,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:28,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:28,015 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:28,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:28,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:28,016 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:28,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:28,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:28,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:28,018 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:28,019 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:28,019 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:28,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:28,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:28,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:40:28,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:40:28,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:28,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:28,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:28,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:28,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:28,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:28,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:28,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:28,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:28,023 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:40:28,024 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:40:28,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:40:28,024 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b099a717aded091d5866869f3c84b7af6ed3ff48 [2019-11-28 02:40:28,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:28,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:28,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:28,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:28,383 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:28,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-28 02:40:28,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ecbbefc6/1273280b2d4741018307f99ff1787006/FLAGdd458719c [2019-11-28 02:40:29,073 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:29,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-28 02:40:29,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ecbbefc6/1273280b2d4741018307f99ff1787006/FLAGdd458719c [2019-11-28 02:40:29,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ecbbefc6/1273280b2d4741018307f99ff1787006 [2019-11-28 02:40:29,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:29,319 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:29,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:29,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:29,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:29,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:29" (1/1) ... [2019-11-28 02:40:29,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:29, skipping insertion in model container [2019-11-28 02:40:29,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:29" (1/1) ... [2019-11-28 02:40:29,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:29,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:29,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:29,986 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:40:30,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:30,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:30,126 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:40:30,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:30,288 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:40:30,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30 WrapperNode [2019-11-28 02:40:30,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:30,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:40:30,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:40:30,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:40:30,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:40:30,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:40:30,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:40:30,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:40:30,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 02:40:30,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:40:30,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:40:30,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:30,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:30,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:40:30,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:40:30,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:40:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:40:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:40:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:40:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:40:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:40:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:40:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:40:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:40:30,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:40:30,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:40:30,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:40:30,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:40:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:40:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:40:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:40:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:40:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:40:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:40:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:40:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:40:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:40:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:40:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:40:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:40:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:40:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:40:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:40:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:40:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:40:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:40:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:40:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:40:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:40:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:40:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-28 02:40:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-28 02:40:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-28 02:40:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-11-28 02:40:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:40:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:40:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:40:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:40:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:40:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:40:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:40:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:40:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:40:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:40:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:40:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:40:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:40:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:40:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:40:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:40:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:40:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:40:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:40:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:40:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:40:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:40:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:40:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:40:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:40:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:40:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:40:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:40:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:40:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:40:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:40:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:40:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:40:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:40:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:40:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:40:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:40:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:40:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:40:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:40:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:40:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:40:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:40:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:40:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:40:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:40:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:40:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:40:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:40:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:40:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:40:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:40:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:40:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:40:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:40:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:40:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:40:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:40:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:40:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:40:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:40:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:40:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:40:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:40:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:40:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:40:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:40:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:40:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:40:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:40:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:40:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:40:30,505 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:40:30,505 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:40:30,505 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:40:30,505 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:40:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:40:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:40:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:40:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:40:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:40:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:40:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:40:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:40:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:40:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:40:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:40:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:40:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:40:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:40:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:40:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:40:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:40:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:40:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:40:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:40:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:40:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:40:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:40:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:40:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:40:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:40:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:40:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:40:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:40:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:40:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:40:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:40:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:40:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:40:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:40:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:40:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:40:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:40:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:40:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:40:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:40:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:40:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:40:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:40:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:40:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:40:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:40:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:40:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:40:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:40:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:40:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:40:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:40:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:40:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:40:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:40:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:40:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:40:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:40:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:40:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:40:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:40:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:40:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:40:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:40:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:40:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:40:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:40:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:40:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:40:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:40:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:40:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:40:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:40:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:40:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:40:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:40:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:40:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:40:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:40:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:40:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-28 02:40:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-28 02:40:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-28 02:40:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-11-28 02:40:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:40:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:40:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:40:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:40:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:40:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:40:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:40:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:40:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:40:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:40:31,225 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:31,632 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:32,093 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:40:32,094 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:40:32,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:32 BoogieIcfgContainer [2019-11-28 02:40:32,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:40:32,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:40:32,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:40:32,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:40:32,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:29" (1/3) ... [2019-11-28 02:40:32,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57118a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:32, skipping insertion in model container [2019-11-28 02:40:32,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30" (2/3) ... [2019-11-28 02:40:32,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57118a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:32, skipping insertion in model container [2019-11-28 02:40:32,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:32" (3/3) ... [2019-11-28 02:40:32,108 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2019-11-28 02:40:32,122 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:40:32,132 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-11-28 02:40:32,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-11-28 02:40:32,171 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:40:32,171 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:40:32,171 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:40:32,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:40:32,171 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:40:32,172 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:40:32,172 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:40:32,172 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:40:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-11-28 02:40:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:40:32,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:32,208 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:32,209 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:32,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:32,217 INFO L82 PathProgramCache]: Analyzing trace with hash 436226143, now seen corresponding path program 1 times [2019-11-28 02:40:32,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:32,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385247821] [2019-11-28 02:40:32,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:32,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:32,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:32,580 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:32,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385247821] [2019-11-28 02:40:32,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:32,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:40:32,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540008628] [2019-11-28 02:40:32,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:40:32,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:32,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:40:32,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:32,696 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-11-28 02:40:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:32,779 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-11-28 02:40:32,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:40:32,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 02:40:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:32,795 INFO L225 Difference]: With dead ends: 53 [2019-11-28 02:40:32,795 INFO L226 Difference]: Without dead ends: 50 [2019-11-28 02:40:32,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:32,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-28 02:40:32,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-28 02:40:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-28 02:40:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-11-28 02:40:32,857 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-11-28 02:40:32,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:32,858 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-11-28 02:40:32,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:40:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-11-28 02:40:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:40:32,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:32,860 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:33,074 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:40:33,075 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:33,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:33,076 INFO L82 PathProgramCache]: Analyzing trace with hash 638108999, now seen corresponding path program 1 times [2019-11-28 02:40:33,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:33,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738260643] [2019-11-28 02:40:33,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:33,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:40:33,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:33,403 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:33,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738260643] [2019-11-28 02:40:33,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:33,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2019-11-28 02:40:33,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134340543] [2019-11-28 02:40:33,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:40:33,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:33,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:40:33,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:33,546 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 10 states. [2019-11-28 02:40:33,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:33,955 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2019-11-28 02:40:33,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:40:33,956 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-28 02:40:33,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:33,958 INFO L225 Difference]: With dead ends: 85 [2019-11-28 02:40:33,959 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 02:40:33,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:33,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 02:40:33,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 53. [2019-11-28 02:40:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 02:40:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-11-28 02:40:33,970 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2019-11-28 02:40:33,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:33,970 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-11-28 02:40:33,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:40:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-11-28 02:40:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:40:33,972 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:33,972 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:34,191 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,192 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:34,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:34,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1693457055, now seen corresponding path program 1 times [2019-11-28 02:40:34,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:34,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546894386] [2019-11-28 02:40:34,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:34,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:34,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:34,433 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 [2019-11-28 02:40:34,433 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:40:34,438 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:40:34,439 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:40:34,439 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:40:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,487 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546894386] [2019-11-28 02:40:34,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:34,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-28 02:40:34,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125873747] [2019-11-28 02:40:34,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:40:34,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:34,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:40:34,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:40:34,555 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 6 states. [2019-11-28 02:40:34,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:34,765 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2019-11-28 02:40:34,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:40:34,767 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-28 02:40:34,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:34,772 INFO L225 Difference]: With dead ends: 77 [2019-11-28 02:40:34,774 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 02:40:34,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:40:34,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 02:40:34,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2019-11-28 02:40:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 02:40:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2019-11-28 02:40:34,799 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 25 [2019-11-28 02:40:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:34,805 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2019-11-28 02:40:34,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:40:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2019-11-28 02:40:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:40:34,810 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:34,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:35,032 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:40:35,033 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:35,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:35,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2073787341, now seen corresponding path program 1 times [2019-11-28 02:40:35,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:35,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305921012] [2019-11-28 02:40:35,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:35,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:40:35,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:37,252 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:41,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:40:41,584 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:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) 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.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:40:41,591 INFO L168 Benchmark]: Toolchain (without parser) took 12272.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 92.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:41,592 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:41,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 970.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -133.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:41,593 INFO L168 Benchmark]: Boogie Preprocessor took 127.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:41,594 INFO L168 Benchmark]: RCFGBuilder took 1676.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:41,595 INFO L168 Benchmark]: TraceAbstraction took 9491.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:41,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 970.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -133.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 127.99 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1676.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9491.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). There was no memory consumed. 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:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...