./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f4d5612c 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_test16.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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ............................................................................................................................ 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_test16.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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-f4d5612 [2019-11-28 12:41:12,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:41:12,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:41:12,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:41:12,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:41:12,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:41:12,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:41:12,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:41:12,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:41:12,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:41:12,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:41:12,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:41:12,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:41:12,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:41:12,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:41:12,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:41:12,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:41:12,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:41:12,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:41:12,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:41:12,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:41:12,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:41:12,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:41:12,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:41:12,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:41:12,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:41:12,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:41:12,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:41:12,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:41:12,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:41:12,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:41:12,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:41:12,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:41:12,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:41:12,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:41:12,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:41:12,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:41:12,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:41:12,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:41:12,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:41:12,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:41:12,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 12:41:12,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:41:12,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:41:12,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:41:12,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:41:12,112 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:41:12,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:41:12,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:41:12,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:41:12,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:41:12,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:41:12,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:41:12,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:41:12,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:41:12,114 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:41:12,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:41:12,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:41:12,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:41:12,115 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:41:12,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:41:12,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:41:12,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:41:12,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:41:12,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:41:12,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:41:12,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:41:12,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 12:41:12,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 12:41:12,118 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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-11-28 12:41:12,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:41:12,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:41:12,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:41:12,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:41:12,535 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:41:12,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-28 12:41:12,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cab7631/1a5456ea32bd46f0a4f11eb944e0b072/FLAG1757d8719 [2019-11-28 12:41:13,172 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:41:13,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-28 12:41:13,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cab7631/1a5456ea32bd46f0a4f11eb944e0b072/FLAG1757d8719 [2019-11-28 12:41:13,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cab7631/1a5456ea32bd46f0a4f11eb944e0b072 [2019-11-28 12:41:13,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:41:13,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:41:13,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:41:13,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:41:13,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:41:13,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:13" (1/1) ... [2019-11-28 12:41:13,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3959ae06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:13, skipping insertion in model container [2019-11-28 12:41:13,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:13" (1/1) ... [2019-11-28 12:41:13,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:41:13,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:41:13,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:41:14,029 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 12:41:14,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42cf791a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:14, skipping insertion in model container [2019-11-28 12:41:14,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 12:41:14,033 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 12:41:14,036 INFO L168 Benchmark]: Toolchain (without parser) took 561.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:41:14,037 INFO L168 Benchmark]: CDTParser took 0.26 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 12:41:14,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:41:14,040 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 558.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 26.1 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-f4d5612 [2019-11-28 12:41:15,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:41:15,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:41:15,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:41:15,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:41:15,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:41:15,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:41:15,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:41:15,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:41:15,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:41:15,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:41:15,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:41:15,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:41:15,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:41:15,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:41:15,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:41:15,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:41:15,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:41:15,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:41:15,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:41:15,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:41:15,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:41:15,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:41:15,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:41:15,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:41:15,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:41:15,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:41:15,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:41:15,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:41:15,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:41:15,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:41:15,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:41:15,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:41:15,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:41:15,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:41:15,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:41:15,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:41:15,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:41:15,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:41:15,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:41:15,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:41:15,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 12:41:16,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:41:16,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:41:16,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:41:16,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:41:16,034 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:41:16,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:41:16,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:41:16,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:41:16,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:41:16,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:41:16,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:41:16,036 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:41:16,039 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:41:16,039 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:41:16,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:41:16,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:41:16,040 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 12:41:16,040 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 12:41:16,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:41:16,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:41:16,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:41:16,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:41:16,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:41:16,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:41:16,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:41:16,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:41:16,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:41:16,044 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 12:41:16,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 12:41:16,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 12:41:16,046 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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-11-28 12:41:16,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:41:16,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:41:16,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:41:16,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:41:16,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:41:16,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-28 12:41:16,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549cb5793/9d3c78238f734398b6aec4d83bc98805/FLAGac541c3e7 [2019-11-28 12:41:16,983 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:41:16,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-28 12:41:17,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549cb5793/9d3c78238f734398b6aec4d83bc98805/FLAGac541c3e7 [2019-11-28 12:41:17,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549cb5793/9d3c78238f734398b6aec4d83bc98805 [2019-11-28 12:41:17,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:41:17,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:41:17,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:41:17,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:41:17,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:41:17,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:17" (1/1) ... [2019-11-28 12:41:17,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3ff98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:17, skipping insertion in model container [2019-11-28 12:41:17,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:17" (1/1) ... [2019-11-28 12:41:17,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:41:17,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:41:17,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:41:17,912 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 12:41:17,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:41:18,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:41:18,032 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 12:41:18,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:41:18,220 INFO L208 MainTranslator]: Completed translation [2019-11-28 12:41:18,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18 WrapperNode [2019-11-28 12:41:18,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 12:41:18,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 12:41:18,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 12:41:18,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 12:41:18,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (1/1) ... [2019-11-28 12:41:18,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 12:41:18,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 12:41:18,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 12:41:18,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 12:41:18,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (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 12:41:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 12:41:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 12:41:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 12:41:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 12:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 12:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 12:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 12:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 12:41:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 12:41:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 12:41:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 12:41:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 12:41:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 12:41:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 12:41:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 12:41:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 12:41:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 12:41:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 12:41:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 12:41:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 12:41:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 12:41:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 12:41:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 12:41:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 12:41:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 12:41:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 12:41:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 12:41:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 12:41:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 12:41:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 12:41:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 12:41:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 12:41:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 12:41:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 12:41:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 12:41:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-28 12:41:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-28 12:41:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 12:41:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 12:41:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 12:41:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 12:41:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 12:41:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 12:41:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 12:41:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 12:41:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 12:41:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 12:41:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 12:41:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 12:41:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 12:41:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 12:41:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 12:41:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 12:41:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 12:41:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 12:41:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 12:41:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 12:41:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 12:41:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 12:41:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 12:41:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 12:41:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 12:41:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 12:41:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 12:41:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 12:41:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 12:41:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 12:41:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 12:41:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 12:41:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 12:41:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 12:41:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 12:41:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 12:41:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 12:41:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 12:41:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 12:41:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 12:41:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 12:41:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 12:41:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 12:41:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 12:41:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 12:41:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 12:41:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 12:41:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 12:41:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 12:41:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 12:41:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 12:41:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 12:41:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 12:41:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 12:41:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 12:41:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 12:41:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 12:41:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 12:41:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 12:41:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 12:41:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 12:41:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 12:41:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 12:41:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 12:41:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 12:41:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 12:41:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 12:41:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 12:41:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 12:41:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 12:41:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 12:41:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 12:41:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 12:41:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 12:41:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 12:41:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 12:41:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 12:41:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 12:41:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 12:41:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 12:41:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 12:41:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 12:41:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 12:41:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 12:41:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 12:41:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 12:41:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 12:41:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 12:41:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 12:41:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 12:41:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 12:41:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 12:41:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 12:41:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 12:41:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 12:41:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 12:41:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 12:41:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 12:41:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 12:41:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 12:41:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 12:41:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 12:41:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 12:41:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 12:41:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 12:41:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 12:41:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 12:41:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 12:41:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 12:41:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 12:41:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 12:41:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 12:41:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 12:41:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 12:41:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-28 12:41:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-28 12:41:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 12:41:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 12:41:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 12:41:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 12:41:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 12:41:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 12:41:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 12:41:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 12:41:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 12:41:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 12:41:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 12:41:19,097 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:41:19,534 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:41:19,929 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 12:41:19,929 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 12:41:19,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:19 BoogieIcfgContainer [2019-11-28 12:41:19,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 12:41:19,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 12:41:19,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 12:41:19,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 12:41:19,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:41:17" (1/3) ... [2019-11-28 12:41:19,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286b8acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:41:19, skipping insertion in model container [2019-11-28 12:41:19,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:18" (2/3) ... [2019-11-28 12:41:19,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286b8acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:41:19, skipping insertion in model container [2019-11-28 12:41:19,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:19" (3/3) ... [2019-11-28 12:41:19,940 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-28 12:41:19,950 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 12:41:19,959 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 12:41:19,972 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 12:41:19,995 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 12:41:19,995 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 12:41:19,995 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 12:41:19,995 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 12:41:19,996 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 12:41:19,996 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 12:41:19,997 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 12:41:19,997 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 12:41:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-28 12:41:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 12:41:20,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:20,027 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:41:20,028 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:20,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:20,035 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-28 12:41:20,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:20,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642502432] [2019-11-28 12:41:20,048 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 12:41:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:20,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 12:41:20,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:20,321 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 12:41:20,322 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:20,463 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 12:41:20,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642502432] [2019-11-28 12:41:20,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:20,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-28 12:41:20,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692785428] [2019-11-28 12:41:20,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 12:41:20,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:20,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 12:41:20,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 12:41:20,497 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-28 12:41:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:20,649 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-28 12:41:20,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 12:41:20,652 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-28 12:41:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:20,669 INFO L225 Difference]: With dead ends: 49 [2019-11-28 12:41:20,670 INFO L226 Difference]: Without dead ends: 46 [2019-11-28 12:41:20,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:41:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-28 12:41:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-28 12:41:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-28 12:41:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-28 12:41:20,756 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-28 12:41:20,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:20,760 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-28 12:41:20,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 12:41:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-28 12:41:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 12:41:20,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:20,765 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:41:20,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 12:41:20,981 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:20,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:20,981 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-28 12:41:20,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:20,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45844067] [2019-11-28 12:41:20,982 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 12:41:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:21,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 12:41:21,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:21,190 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 12:41:21,193 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:21,302 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 12:41:21,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45844067] [2019-11-28 12:41:21,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:21,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 12:41:21,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977270724] [2019-11-28 12:41:21,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 12:41:21,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:21,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 12:41:21,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 12:41:21,315 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-28 12:41:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:21,388 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-28 12:41:21,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 12:41:21,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-28 12:41:21,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:21,393 INFO L225 Difference]: With dead ends: 54 [2019-11-28 12:41:21,393 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 12:41:21,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 12:41:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 12:41:21,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 12:41:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 12:41:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-28 12:41:21,420 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-28 12:41:21,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:21,420 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-28 12:41:21,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 12:41:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-28 12:41:21,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 12:41:21,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:21,423 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 12:41:21,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 12:41:21,643 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:21,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-28 12:41:21,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:21,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300481543] [2019-11-28 12:41:21,646 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 12:41:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:21,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 12:41:21,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:21,930 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 12:41:21,930 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:22,040 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 12:41:22,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300481543] [2019-11-28 12:41:22,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:22,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-28 12:41:22,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421085058] [2019-11-28 12:41:22,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 12:41:22,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:22,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 12:41:22,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 12:41:22,047 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-28 12:41:22,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:22,113 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-28 12:41:22,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 12:41:22,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-28 12:41:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:22,115 INFO L225 Difference]: With dead ends: 42 [2019-11-28 12:41:22,115 INFO L226 Difference]: Without dead ends: 42 [2019-11-28 12:41:22,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:41:22,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-28 12:41:22,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-28 12:41:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-28 12:41:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-28 12:41:22,124 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-28 12:41:22,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:22,124 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-28 12:41:22,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 12:41:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-28 12:41:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 12:41:22,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:22,126 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 12:41:22,341 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 12:41:22,342 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:22,343 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-28 12:41:22,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:22,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401688107] [2019-11-28 12:41:22,344 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 12:41:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:22,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 12:41:22,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:22,688 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 12:41:22,688 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:23,070 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 12:41:23,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401688107] [2019-11-28 12:41:23,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:23,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-28 12:41:23,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190716437] [2019-11-28 12:41:23,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 12:41:23,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:23,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 12:41:23,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-28 12:41:23,073 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-28 12:41:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:23,560 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-11-28 12:41:23,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 12:41:23,562 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-28 12:41:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:23,563 INFO L225 Difference]: With dead ends: 53 [2019-11-28 12:41:23,563 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 12:41:23,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-28 12:41:23,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 12:41:23,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2019-11-28 12:41:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-28 12:41:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-28 12:41:23,571 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2019-11-28 12:41:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:23,572 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-28 12:41:23,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 12:41:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-28 12:41:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 12:41:23,573 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:23,574 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 12:41:23,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 12:41:23,793 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-28 12:41:23,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:23,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863040584] [2019-11-28 12:41:23,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 12:41:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:23,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 12:41:23,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:23,992 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 12:41:23,993 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:24,000 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:24,001 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:41:24,001 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 12:41:24,074 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 12:41:24,075 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:24,181 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 12:41:24,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863040584] [2019-11-28 12:41:24,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:24,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-28 12:41:24,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522027097] [2019-11-28 12:41:24,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 12:41:24,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:24,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 12:41:24,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 12:41:24,184 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-28 12:41:24,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:24,350 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-28 12:41:24,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 12:41:24,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-28 12:41:24,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:24,353 INFO L225 Difference]: With dead ends: 50 [2019-11-28 12:41:24,353 INFO L226 Difference]: Without dead ends: 50 [2019-11-28 12:41:24,354 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:41:24,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-28 12:41:24,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2019-11-28 12:41:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-28 12:41:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-11-28 12:41:24,360 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2019-11-28 12:41:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:24,360 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-11-28 12:41:24,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 12:41:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-11-28 12:41:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 12:41:24,361 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:24,361 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 12:41:24,562 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 12:41:24,563 INFO L410 AbstractCegarLoop]: === Iteration 6 === [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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:24,564 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2019-11-28 12:41:24,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:24,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936396771] [2019-11-28 12:41:24,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 12:41:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:24,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 12:41:24,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:24,757 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 12:41:24,758 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:24,828 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 12:41:24,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936396771] [2019-11-28 12:41:24,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:24,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-28 12:41:24,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471845911] [2019-11-28 12:41:24,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 12:41:24,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:24,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 12:41:24,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 12:41:24,830 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2019-11-28 12:41:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:24,918 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-11-28 12:41:24,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 12:41:24,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-28 12:41:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:24,920 INFO L225 Difference]: With dead ends: 47 [2019-11-28 12:41:24,920 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 12:41:24,921 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:41:24,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 12:41:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-28 12:41:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-28 12:41:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-28 12:41:24,926 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-28 12:41:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:24,926 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-28 12:41:24,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 12:41:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-28 12:41:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 12:41:24,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:24,928 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, 1, 1] [2019-11-28 12:41:25,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 12:41:25,130 INFO L410 AbstractCegarLoop]: === Iteration 7 === [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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:25,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:25,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-28 12:41:25,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:25,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104845061] [2019-11-28 12:41:25,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 12:41:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:25,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 12:41:25,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:25,320 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 12:41:25,320 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:25,482 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 12:41:25,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104845061] [2019-11-28 12:41:25,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:41:25,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-28 12:41:25,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281616296] [2019-11-28 12:41:25,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 12:41:25,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:25,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 12:41:25,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-28 12:41:25,485 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-28 12:41:25,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:25,588 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-28 12:41:25,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 12:41:25,589 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-28 12:41:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:25,591 INFO L225 Difference]: With dead ends: 47 [2019-11-28 12:41:25,591 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 12:41:25,591 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-28 12:41:25,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 12:41:25,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-28 12:41:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 12:41:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-28 12:41:25,597 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-28 12:41:25,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:25,598 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-28 12:41:25,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 12:41:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-28 12:41:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 12:41:25,599 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:25,599 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, 1, 1, 1, 1, 1] [2019-11-28 12:41:25,811 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 12:41:25,812 INFO L410 AbstractCegarLoop]: === Iteration 8 === [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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:25,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:25,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-28 12:41:25,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:25,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842425799] [2019-11-28 12:41:25,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-28 12:41:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:25,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-28 12:41:25,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:25,968 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:25,969 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-28 12:41:25,969 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:25,987 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-28 12:41:25,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:25,991 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 12:41:25,992 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-11-28 12:41:25,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:26,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:26,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:26,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:34,290 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 12:41:34,291 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:41,202 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 12:41:41,204 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 12:41:41,211 INFO L168 Benchmark]: Toolchain (without parser) took 23949.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -228.8 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2019-11-28 12:41:41,212 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:41:41,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 12:41:41,213 INFO L168 Benchmark]: Boogie Preprocessor took 161.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:41:41,214 INFO L168 Benchmark]: RCFGBuilder took 1545.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. [2019-11-28 12:41:41,214 INFO L168 Benchmark]: TraceAbstraction took 21277.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -182.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:41:41,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 960.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 161.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1545.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 116.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21277.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -182.8 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...